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If you’re wondering why we’re bringing you a new edition of Psychology: Core Concepts . . .
1 In the new seventh edition, we feature new cutting-edge research on the neuroscience of social interaction, cul- tural influences on perception, daydreaming, taste, and meditation, as well as updates on bullying, the slower rise of IQ scores (the Flynn effect) in developed coun- tries, the myth of multitasking, and much more. We also introduce readers to a groundbreaking modification of Maslow’s famous hierarchy of needs, newly framed by evolutionary psychologists.
2 Our lead author Philip Zimbardo has recently published a detailed description and analysis of his famous Stanford Prison Experiment in The Lucifer Effect: Understanding How Good People Turn Evil. We are pleased to include in Psychology: Core Concepts some of the insights he presented in Lucifer—particularly the notion of the effect of impersonal social systems, as well as social situations, on human behavior. Ours is the only introductory text in which you will find a discussion of how these social systems, such as organizations and bureaucracies, create a context that can profoundly influence the behavior of groups and individuals.
3 Dr. Zimbardo has also done important new work on the differences among people in their time perspective, re- ferring to a focus on the past, the present, or the future. This text is the only introduction to psychology to dis- cuss the powerful influence of time perspective on our decisions and actions.
4 In this edition, Read on MyPsychLab icons appear in the margins indicating that additional readings are
available for students to explore. For example, one of the Read features in Chapter 3 (Sensation and Percep- tion) deals with the classic study of backward masking. In Chapter 12 (Disorders and Therapy), you can read more about an African perspective on mental disorder.
5 One of our goals in this new edition is, again, to help you learn to “think like psychologists.” To do so, we have placed new emphasis on two kinds of psychological think- ing: (1) problem solving and (2) critical thinking. Every chapter begins with a Problem and ends with a critical analysis of an important psychological question, such as gender differences or repressed memory.
6 We have made a special effort in the seventh edition to provide clues throughout the chapter to help you un- derstand the solution to the chapter-opening Problem— which proved to be a popular feature in the last edition. The Chapter Summary now gives a brief “answer” to the problem as well.
7 We have designed the Critical Thinking applications at the end of each chapter to build upon a set of critical thinking skills introduced in Chapter One. Each of these focuses on an issue that is popularly misunderstood (e.g., the Mozart Effect) or contentious within the field (e.g., the evidence- based practice debate within clinical psychology). In this edition, we have also included the gist of the Critical Thinking section in the Chapter Summary.
8 Reflecting advances in multicultural and cross-cultural research, we have added even more coverage of culture and gender throughout the text. Our goal here is two- fold: We want you to see the relevance of psychology in your life, and we want you to understand that psychol- ogy is the science of behavior and mental processes that both generalizes and differs across cultures.
Why Do You Need This New Edition?
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Philip G. Zimbardo Stanford University
Robert L. Johnson Umpqua Community College
Vivian McCann Portland Community College
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Library of Congress Cataloging-in-Publication Data
Zimbardo, Philip G.
Psychology : core concepts / Philip G. Zimbardo, Robert L. Johnson, Vivian McCann. — 7th ed.
Includes bibliographical references and index.
1. Psychology. I. Johnson, Robert L. (Robert Lee) II. McCann, Vivian. III. Title.
1 0 9 8 7 6 5 4 3 2 1
1 Mind, Behavior, and Psychological Science 2 2 Biopsychology, Neuroscience, and Human Nature 40 3 Sensation and Perception 86 4 Learning and Human Nurture 132 5 Memory 170 6 Thinking and Intelligence 212 7 Development Over the Lifespan 264 8 States of Consciousness 322 9 Motivation and Emotion 362 10 Personality: Theories of the Whole Person 412 11 Social Psychology 458 12 Psychological Disorders 514 13 Therapies for Psychological Disorders 554 14 From Stress to Health and Well-Being 596 Glossary G-1 References R-1 Answers to Discovering Psychology Program Review Questions A-1 Photo Credits C-1 Name Index I-1 Subject Index I-7
B R I E F C O N T E N T S
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C O N T E N T S
CHAPTER 1 Mind, Behavior, and Psychological Science 2
PROBLEM: How would psychologists test the claim that sugar makes children hyperactive? 3
1.1 What Is Psychology—And What Is It Not? 4 Psychology: It’s More Than You Think 4 Psychology Is Not Psychiatry 6 Thinking Critically about Psychology
and Pseudo-Psychology 7
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 10
1.2 What Are Psychology’s Six Main Perspectives? 11 Separation of Mind and Body and the Modern Biological
Perspective 12 The Founding of Scientific Psychology and the Modern
Cognitive Perspective 13 The Behavioral Perspective: Focusing on Observable
The Whole-Person Perspectives: Psychodynamic, Humanistic, and Trait and Temperament Psychology 17
The Developmental Perspective: Changes Arising from Nature and Nurture 19
The Sociocultural Perspective: The Individual in Context 19 The Changing Face of Psychology 20
PSYCHOLOGY MATTERS: Psychology as a Major 22
1.3 How Do Psychologists Develop New Knowledge? 23 Four Steps in the Scientific Method 24 Five Types of Psychological Research 27 Controlling Biases in Psychological Research 31 Ethical Issues in Psychological Research 32
PSYCHOLOGY MATTERS: The Perils of Pseudo-Psychology 33
CRITICAL THINKING APPLIED: Facilitated Communication 35
Chapter Summary 36 Discovering Psychology Viewing Guide 38
PROBLEM: What does Jill Bolte Taylor’s experience teach us about how our brain is organized and about its amazing ability to adapt? 42
2.1 How Are Genes and Behavior Linked? 43 Evolution and Natural Selection 43 Genetics and Inheritance 45
PSYCHOLOGY MATTERS: Choosing Your Children’s Genes 48
2.2 How Does the Body Communicate Internally? 49 The Neuron: Building Block of the Nervous System 50 The Nervous System 56 The Endocrine System 58
PSYCHOLOGY MATTERS: How Psychoactive Drugs Affect the Nervous System 60
2.3 How Does the Brain Produce Behavior and Mental Processes? 62 Windows on the Brain 63 Three Layers of the Brain 65 Lobes of the Cerebral Cortex 69 Cerebral Dominance 73
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 79
CRITICAL THINKING APPLIED: Left Brain versus Right Brain 80
Chapter Summary 81 Discovering Psychology Viewing Guide 84
CHAPTER 2 Biopsychology, Neuroscience, and Human Nature 40
CHAPTER 3 Sensation and Perception 86
PROBLEM: Is there any way to tell whether the world we “see” in our minds is the same as the external world—and whether we see things as most others do? 88
3.1 How Does Stimulation Become Sensation? 89 Transduction: Changing Stimulation to Sensation 90 Thresholds: The Boundaries of Sensation 91 Signal Detection Theory 93
PSYCHOLOGY MATTERS: Sensory Adaptation 93
3.2 How Are the Senses Alike? How Are They Different? 94 Vision: How the Nervous System Processes Light 94 Hearing: If a Tree Falls in the Forest . . . 100 How the Other Senses Are Like Vision and Hearing 104 Synesthesia: Sensations across the Senses 108
PSYCHOLOGY MATTERS: The Sense and Experience of Pain 109
3.3 What Is the Relationship between Sensation and Perception? 112 Perceptual Processing: Finding Meaning in Sensation 112 Perceptual Ambiguity and Distortion 114 Theoretical Explanations for Perception 117 Seeing and Believing 124
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 125
CRITICAL THINKING APPLIED: Subliminal Perception and Subliminal Persuasion 126
Chapter Summary 128 Discovering Psychology Viewing Guide 130 vii
viii C O N T E N T S
CHAPTER 4 Learning and Human Nurture 132
PROBLEM: Assuming Sabra’s fear of flying was a response she had learned, could it also be treated by learning? If so, how? 134
4.1 What Sort of Learning Does Classical Conditioning Explain? 136 The Essentials of Classical Conditioning 137 Applications of Classical Conditioning 139
PSYCHOLOGY MATTERS: Taste Aversions and Chemotherapy 142
4.2 How Do We Learn New Behaviors By Operant Conditioning? 142 Skinner’s Radical Behaviorism 143 The Power of Reinforcement 143 The Problem of Punishment 149 A Checklist for Modifying Operant Behavior 152 Operant and Classical Conditioning Compared 153
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 155
4.3 How Does Cognitive Psychology Explain Learning? 156 Insight Learning: Köhler in the Canaries with Chimps 157 Cognitive Maps: Tolman Finds Out What’s on a
Rat’s Mind 158 Observational Learning: Bandura’s Challenge to
Behaviorism 159 Brain Mechanisms and Learning 161 “Higher” Cognitive Learning 162
PSYCHOLOGY MATTERS: Fear of Flying Revisited 162
CRITICAL THINKING APPLIED: Do Different People Have Different “Learning Styles”? 164
Chapter Summary 166 Discovering Psychology Viewing Guide 168
CHAPTER 5 Memory 170
PROBLEM: How can our knowledge about memory help us evaluate claims of recovered memories? 172
5.1 What Is Memory? 172 Metaphors for Memory 173 Memory’s Three Basic Tasks 174
PSYCHOLOGY MATTERS: Would You Want a “Photographic” Memory? 175
5.2 How Do We Form Memories? 177 The First Stage: Sensory Memory 178 The Second Stage: Working Memory 180 The Third Stage: Long-Term Memory 184
PSYCHOLOGY MATTERS: “Flashbulb” Memories: Where Were You When . . . ? 189
5.3 How Do We Retrieve Memories? 190 Implicit and Explicit Memory 190 Retrieval Cues 191 Other Factors Affecting Retrieval 193
PSYCHOLOGY MATTERS: On the Tip of Your Tongue 194
5.4 Why Does Memory Sometimes Fail Us? 195 Transience: Fading Memories Cause Forgetting 196 Absent-Mindedness: Lapses of Attention Cause
Forgetting 198 Blocking: Access Problems 198 Misattribution: Memories in the Wrong Context 199 Suggestibility: External Cues Distort or Create Memories 200 Bias: Beliefs, Attitudes, and Opinions Distort Memories 201 Persistence: When We Can’t Forget 202 The Advantages of the “Seven Sins” of Memory 202 Improving Your Memory with Mnemonics 203
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 204
CRITICAL THINKING APPLIED: The Recovered Memory Controversy 206
Chapter Summary 207 Discovering Psychology Viewing Guide 210
C O N T E N T S ix
CHAPTER 7 Development Over the Lifespan 264
PROBLEM: Do the amazing accounts of similarities in twins reared apart indicate we are primarily a product of our genes? Or do genetics and environment work together to influence growth and development over the lifespan? 266
7.1 What Innate Abilities Does the Infant Possess? 268 Prenatal Development 268 The Neonatal Period: Abilities of the Newborn Child 269 Infancy: Building on the Neonatal Blueprint 271
PSYCHOLOGY MATTERS: Not Just Fun and Games: The Role of Child’s Play in Life Success 277
7.2 What Are the Developmental Tasks of Childhood? 279 How Children Acquire Language 279 Cognitive Development: Piaget’s Theory 282 Social and Emotional Development 288
PSYCHOLOGY MATTERS: The Puzzle of ADHD 294
7.3 What Changes Mark the Transition of Adolescence? 296 Adolescence and Culture 296
Physical Maturation in Adolescence 297 Adolescent Sexuality 298 Neural and Cognitive Development in Adolescence 299 Moral Development: Kohlberg’s Theory 300 Social and Emotional Issues in Adolescence 302
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology: Cognitive Development in College Students 304
7.4 What Developmental Challenges Do Adults Face? 305 Early Adulthood: Explorations, Autonomy, and Intimacy 306 The Challenges of Midlife: Complexity and Generativity 308 Late Adulthood: The Age of Integrity 310
PSYCHOLOGY MATTERS: A Look Back at the Jim Twins and Your Own Development 313
CRITICAL THINKING APPLIED: The Mozart Effect 315
Chapter Summary 316 Discovering Psychology Viewing Guide 320
CHAPTER 6 Thinking and Intelligence 212
PROBLEM: What produces “genius,” and to what extent are the people we call “geniuses” different from others? 214
6.1 What Are the Components of Thought? 215 Concepts 215 Imagery and Cognitive Maps 217 Thought and the Brain 218 Intuition 219
PSYCHOLOGY MATTERS: Schemas and Scripts Help You Know What to Expect 221
6.2 What Abilities Do Good Thinkers Possess? 223 Problem Solving 223 Judging and Making Decisions 227 Becoming a Creative Genius 229
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 232
6.3 How Is Intelligence Measured? 233 Binet and Simon Invent a School Abilities Test 234 American Psychologists Borrow Binet and Simon’s Idea 235 Problems with the IQ Formula 236 Calculating IQs “on the Curve” 237 IQ Testing Today 238
PSYCHOLOGY MATTERS: What Can You Do for an Exceptional Child? 239
6.4 Is Intelligence One or Many Abilities? 242 Psychometric Theories of Intelligence 242 Cognitive Theories of Intelligence 243 The Question of Animal Intelligence 247
PSYCHOLOGY MATTERS: Test Scores and the Self-Fulfilling Prophecy 249
6.5 How Do Psychologists Explain IQ Differences Among Groups? 250 Intelligence and the Politics of Immigration 251 What Evidence Shows That Intelligence Is Influenced
by Heredity? 251 What Evidence Shows That Intelligence is Influenced
by Environment? 252 Heritability (Not Heredity) and Group Differences 253 PSYCHOLOGY MATTERS: Stereotype Threat 256
CRITICAL THINKING APPLIED: The Question of Gender Differences 258
Chapter Summary 259 Discovering Psychology Viewing Guide 262
CHAPTER 8 States of Consciousness 322
PROBLEM: How can psychologists objectively examine the worlds of dreaming and other subjective mental states? 324
8.1 How Is Consciousness Related to Other Mental Processes? 324 Tools for Studying Consciousness 326 Models of the Conscious and Nonconscious Minds 327 What Does Consciousness Do for Us? 329 Coma and Related States 330
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 331
8.2 What Cycles Occur in Everyday Consciousness? 332 Daydreaming 332
Sleep: The Mysterious Third of Our Lives 333 Dreaming: The Pageants of the Night 338
PSYCHOLOGY MATTERS: Sleep Disorders 341
8.3 What Other Forms Can Consciousness Take? 344 Hypnosis 345 Meditation 347 Psychoactive Drug States 348
PSYCHOLOGY MATTERS: Dependence and Addiction 354
CRITICAL THINKING APPLIED: The Unconscious—Reconsidered 356
Chapter Summary 358 Discovering Psychology Viewing Guide 360
x C O N T E N T S
CHAPTER 10 Personality: Theories of the Whole Person 412
PROBLEM: What influences were at work to produce the unique behavioral patterns, high achievement motivation, and consistency over time and place that we see in the personality of Mary Calkins? 414
10.1 What Forces Shape Our Personalities? 415 Biology, Human Nature, and Personality 416 The Effects of Nurture: Personality and the Environment 416 The Effects of Nature: Dispositions and Mental
Processes 417 Social and Cultural Contributions to Personality 417 PSYCHOLOGY MATTERS: Explaining Unusual People
and Unusual Behavior 418
10.2 What Persistent Patterns, or Dispositions, Make Up Our Personalities? 420
Personality and Temperament 421 Personality as a Composite of Traits 422 PSYCHOLOGY MATTERS: Finding Your Type 426
10.3 Do Mental Processes Help Shape Our Personalities? 428 Psychodynamic Theories: Emphasis on Motivation
and Mental Disorder 428
Humanistic Theories: Emphasis on Human Potential and Mental Health 439
Social-Cognitive Theories: Emphasis on Social Learning 442
Current Trends: The Person in a Social System 445 PSYCHOLOGY MATTERS: Using Psychology to Learn
10.4 What “Theories” Do People Use to Understand Themselves and Others? 447
Implicit Personality Theories 447 Self-Narratives: The Stories of Our Lives 448 The Effects of Culture on Our Views of Personality 449 PSYCHOLOGY MATTERS: The Personality of Time 450
CRITICAL THINKING APPLIED: The Person–Situation Controversy 453
Chapter Summary 454 Discovering Psychology Viewing Guide 456
CHAPTER 9 Motivation and Emotion 362
PROBLEM: Motivation is largely an internal and subjective process: How can we determine what motivates people like Lance Armstrong to work so hard at becoming the best in the world at what they do? 364
9.1 What Motivates Us? 364 Why People Work: McClelland’s Theory 365 The Unexpected Effects of Rewards on Motivation 367 PSYCHOLOGY MATTERS: Using Psychology to Learn
9.2 How Are Our Motivational Priorities Determined? 369 Instinct Theory 369 Drive Theory 370 Freud’s Psychodynamic Theory 371 Maslow’s Hierarchy of Needs 372 Putting It All Together: A New Hierarchy of Needs 373
PSYCHOLOGY MATTERS: Determining What Motivates Others 374
9.3 Where Do Hunger and Sex Fit into the Motivational Hierarchy? 375 Hunger: A Homeostatic Drive and a Psychological
Motive 376 The Problem of Will Power and Chocolate Cookies 379
Sexual Motivation: An Urge You Can Live Without 380 Sex, Hunger, and the Hierarchy of Needs 384
PSYCHOLOGY MATTERS: The What and Why of Sexual Orientation 385
9.4 How Do Our Emotions Motivate Us? 387 What Emotions Are Made Of 388 What Emotions Do for Us 389 Counting the Emotions 389 Cultural Universals in Emotional Expression 390
PSYCHOLOGY MATTERS: Gender Differences in Emotion Depend on Biology and Culture 391
9.5 What Processes Control Our Emotions? 392 The Neuroscience of Emotion 393 Arousal, Performance, and the Inverted U 396 Theories of Emotion: Resolving Some Old Issues 397 How Much Conscious Control Do We Have Over Our
PSYCHOLOGY MATTERS: Detecting Deception 403
CRITICAL THINKING APPLIED: Do Lie Detectors Really Detect Lies? 405
Chapter Summary 407 Discovering Psychology Viewing Guide 410
C O N T E N T S xi
CHAPTER 11 Social Psychology 458
PROBLEM: What makes ordinary people willing to harm other people, as they did in Milgram’s shocking experiment? 461
11.1 How Does the Social Situation Affect Our Behavior? 462 Social Standards of Behavior 463 Conformity 465 Obedience to Authority 471 Cross-Cultural Tests of Milgram’s Research 475 Some Real-World Extensions of the Milgram Obedience
to Authority Paradigm 477 The Bystander Problem: The Evil of Inaction 478 Need Help? Ask for It! 480
PSYCHOLOGY MATTERS: On Being “Shoe” at Yale U 482
11.2 Constructing Social Reality: What Influences Our Judgments of Others? 483 Interpersonal Attraction 484 Loving Relationships 488
Making Cognitive Attributions 490 Prejudice and Discrimination 492
PSYCHOLOGY MATTERS: Stereotype Lift and Values Affirmations 498
11.3 How Do Systems Create Situations That Influence Behavior? 500 The Stanford Prison Experiment 500 Chains of System Command 502 Preventing Bullying by Systematic Changes and Reframing 504
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 507
CRITICAL THINKING APPLIED: Is Terrorism “a Senseless Act of Violence, Perpetrated by Crazy Fanatics”? 508
Chapter Summary 510 Discovering Psychology Viewing Guide 512
PROBLEM: Is it possible to distinguish mental disorder from merely unusual behavior? That is, are there specific signs that clearly indicate mental disorder? 516
12.1 What Is Psychological Disorder? 517 Changing Concepts of Psychological Disorder 518 Indicators of Abnormality 521 A Caution to Readers 522
PSYCHOLOGY MATTERS: The Plea of Insanity 522
12.2 How Are Psychological Disorders Classified in the DSM-IV ? 524 Overview of the DSM-IV Classification System 524 Mood Disorders 526 Anxiety Disorders 530 Somatoform Disorders 534 Dissociative Disorders 535 Schizophrenia 537
Developmental Disorders 541 Personality Disorders 542 Adjustment Disorders and Other Conditions: The Biggest
Category of All 544 Gender Differences in Mental Disorders 544
PSYCHOLOGY MATTERS: Shyness 544
12.3 What Are the Consequences of Labeling People? 545 Diagnostic Labels, Labeling, and Depersonalization 546 The Cultural Context of Psychological Disorder 546
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 547
CRITICAL THINKING APPLIED: Insane Places Revisited—Another Look at the Rosenhan Study 548
Chapter Summary 550 Discovering Psychology Viewing Guide 552
CHAPTER 12 Psychological Disorders 514
xii C O N T E N T S
Glossary G-1 References R-1 Answers to Discovering Psychology Program Review Questions A-1 Photo Credits C-1 Name Index I-1 Subject Index I-7
CHAPTER 14 From Stress to Health and Well-Being 596
PROBLEM: Were the reactions and experiences of the 9/11 firefighters and others at the World Trade Center attacks typical of people in other stressful situations? And what factors explain individual differences in our physical and psychological responses to stress? 598
14.1 What Causes Distress? 600 Traumatic Stressors 601 Chronic Stressors 606
PSYCHOLOGY MATTERS: Student Stress 611
14.2 How Does Stress Affect Us Physically? 613 Physiological Responses to Stress 614 Stress and the Immune System 617
PSYCHOLOGY MATTERS: Cognitive Appraisal of Ambiguous Threats 619
14.3 Who Is Most Vulnerable to Stress? 620 Type A Personality and Hostility 622 Locus of Control 623 Hardiness 624
Optimism 625 Resilience 626
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 628
14.4 How Can We Transform Negative Stress Into Positive Life Strategies? 629 Psychological Coping Strategies 630 Positive Lifestyle Choices: A “Two-for-One” Benefit to Your
Health 634 Putting It All Together: Developing Happiness and Subjective
PSYCHOLOGY MATTERS: Behavioral Medicine and Health Psychology 639
CRITICAL THINKING APPLIED: Is Change Really Hazardous to Your Health? 641
Chapter Summary 643 Discovering Psychology Viewing Guide 646
CHAPTER 13 Therapies for Psychological Disorders 554
PROBLEM: What is the best treatment for Derek’s depression: psychological therapy, drug therapy, or both? More broadly, the problem is this: How do we decide among the available therapies for any of the mental disorders? 556
13.1 What Is Therapy? 556 Entering Therapy 557 The Therapeutic Alliance and the Goals of Therapy 557 Therapy in Historical and Cultural Context 559
PSYCHOLOGY MATTERS: Paraprofessionals Do Therapy, Too 560
13.2 How Do Psychologists Treat Psychological Disorders? 561 Insight Therapies 562 Behavior Therapies 568 Cognitive–Behavioral Therapy: A Synthesis 571 Evaluating the Psychological Therapies 574
PSYCHOLOGY MATTERS: Where Do Most People Get Help? 576
13.3 How Is the Biomedical Approach Used to Treat Psychological Disorders? 577 Drug Therapy 577
Other Medical Therapies for Psychological Disorders 581 Hospitalization and the Alternatives 583
PSYCHOLOGY MATTERS: What Sort of Therapy Would You Recommend? 584
13.4 How Do the Psychological Therapies and Biomedical Therapies Compare? 585 Depression and Anxiety Disorders: Psychological versus
Medical Treatment 587 Schizophrenia: Psychological versus Medical
Treatment 587 “The Worried Well” and Other Problems: Not Everyone Needs
PSYCHOLOGY MATTERS: Using Psychology to Learn Psychology 588
CRITICAL THINKING APPLIED: Evidence-Based Practice 589
Chapter Summary 592 Discovering Psychology Viewing Guide 594
P R E FA C E xiii
T O T H E S T U D E N T . . .
There is one simple formula for academic success, and the following demonstration will show you what it is. Study this array of letters for a few seconds: I B M U F O F B I C I A
Now, without peeking, write down as many of the letters as you can (in the correct order).
Most people remember about five to seven letters correctly. A few people get them all. How do these exceptional few do it? They find a pattern. (You may have noticed some familiar initials in the array above: IBM, UFO, FBI, CIA.) Finding the pattern greatly eases the task because you can draw on material that is already stored in mem- ory. In this case, all that needs to be remembered are four “chunks” of information instead of 12 unrelated letters.
The same principle applies to material you study for your psychology class. If you try to remember each piece of information as a separate item, you will have a difficult time. But if instead you look for patterns, you will find your task greatly simplified— and much more enjoyable.
USING PSYCHOLOGY TO LEARN PSYCHOLOGY So, how can you identify the patterns? Your friendly authors have developed several learning features that will make meaningful patterns in the text stand out clearly:
Core Concepts We have organized each major section of every chapter around a single big idea called a Core Concept. For example, one of the four Core Concepts in Chapter 5, Memory, says:
Core Concept 5.4 Human memory is an information-processing system that works constructively to encode, store, and retrieve information.
The Core Concept, then, becomes the central theme around which about 10 pages of material—including several new terms—are organized. As you read each chapter, keep- ing the Core Concept in mind will help you encode the new terms and ideas related to that concept, store them in your memory, and later retrieve them when you are being tested. To borrow an old saying, the Core Concepts become the “forest,” while the details of the chapter become the “trees.”
Key Questions Each Core Concept is introduced by a Key Question that also serves as a main heading in the chapter. Here, for example, is a Key Question from the Memory chapter:
5.4 KEY QUESTION Why Does Memory Sometimes Fail Us?
Key Questions such as this will help you anticipate the most important point, or the Core Concept, in the section. In fact, the Core Concept always provides a brief answer to the Key Question. Think of the Key Question as the high beams on your car, helping
xiv T O T H E S T U D E N T
you focus on what lies ahead. Our Key Questions should also serve as guides for you in posing questions of your own about what you are reading.
Both the Key Questions and the Core Concepts later reappear as organizing fea- tures of the Chapter Summary.
Psychology Matters Psychology has many captivating connections with events in the news and in everyday life, and we have explored one of these connections at the end of each major section in every chapter. To illustrate, here are some examples from the Memory chapter:
• Would You Want a “Photographic” Memory? • “Flashbulb” Memories: Where Were You When . . . ? • On the Tip of Your Tongue
Such connections—practical, down to earth, and fascinating—will help you link your study of psychology with your real-life experiences. They will also help you critically evaluate many of the psychological ideas you encounter in the media—as when you see news stories that begin with “psychological research shows that . . .” By the end of this course, you will become a much wiser consumer of such information.
Psychology Matters: Using Psychology to Learn Psychology A special Psychology Matters section in every chapter explains how you can apply new knowledge from the chapter to make your studying more effective. For example, in Chapter 2, Biopsychology, Neuroscience, and Human Nature, we tell you how to put your understanding of the brain to work for more efficient learning. Similarly, at the end of Chapter 9, Motivation and Emotion, we explain how to use the psychological concept of “flow” to boost your academic motivation. Thus, Using Psychology to Learn Psychology not only reinforces points that you have studied but also brings the material home with immediate and practical applications to your life in college.
Do It Yourself! Throughout the book we have scattered active-learning demonstrations like the one in which you were asked to memorize the letters I B M U F O F B I C I A. Besides being fun, these activities have the serious purpose of illustrating important principles discussed in the text. In Chapter 5, for example, one Do It Yourself! box helps you find the capacity of your short-term memory; another lets you test your “photographic memory” ability.
Check Your Understanding Whether you’re learning psychology, soccer, or the saxophone, you need feedback on your progress, and that’s exactly what you will get from the Check Your Understanding quizzes. These quizzes appear at the end of every major section in the chapter, offering you a quick checkup indicating whether you have assimilated the main points from what you have read. Some questions call for simple recall; others call for deeper analysis or application of material. Some are multiple- choice questions; some are short-answer essay questions. These exercises will help you determine how well you have mastered the material.
MyPsychLab Integration Throughout the text, you will find marginal icons that link to important videos, simulations, podcasts, and activities you can find on MyPsychLab. New to this edition, we have developed reading activities (called Read on MyPsychLab) that will allow you to explore interesting topics more deeply. There are many more resources on MyPsychLab than those highlighted in the text, but the icons draw attention to some of the most high-interest materials. If you did not receive an access code with your text, you can purchase access at www.mypsychlab.com.
Connection Arrows Links to important topics discussed in other chapters are often cross-referenced with an arrow in the margin, as you can see in the sample here. These links will help you integrate your new knowledge with information you have already learned, or will show you where in a later chapter you can find out more
Study and Review at MyPsychLab
Read the Document at MyPsychLab
Simulate the Experiment at MyPsychLab
Explore the Concept at MyPsychLab
Watch the Video at MyPsychLab
Listen to the Podcast at MyPsychLab
T O T H E S T U D E N T xv
about what you are reading. Connecting these concepts in your mind will help you remember them.
Marginal Glossary The most important terms appear in boldface, with their glossary definitions readily accessible in the margin. We list these key terms again in the Chapter Summary. Then, at the end of the book, a comprehensive Glossary gathers together all the key terms and definitions from each chapter in one easy-to-find location.
Chapter Summaries We have written our Chapter Summaries to provide you with an overview of main points in each chapter—to help you preview and review the chapter. The summaries are organized around the Key Questions and Core Concepts introduced within the chapter to facilitate review and mastery of chapter material. But we offer one caution: Reading the Chapter Summary will not substitute for reading the entire chapter! Here’s a helpful hint: We recommend that you read the summary before you read the rest of the chapter to get a flavor of what’s ahead, then reread the summary after you finish the chapter. Reading the summary before will provide a framework for the material so that it can be more easily encoded and stored in your memory. And, naturally, reviewing the summary after reading the chapter will reinforce what you have just learned so that you can retrieve it when needed on an examination.
THINKING LIKE A PSYCHOLOGIST Learning all the facts and definitions of psychology won’t make you a psychologist. Beyond the facts, thinking like a psychologist requires learning some problem-solving skills and critical thinking techniques that any good psychologist should possess. With this goal in mind, we have added two unique features to this book.
Chapter-Opening Problems Each chapter begins with an important problem that you will learn how to solve with the tools you acquire in your reading. Examples of the chapter- opening problems include testing the claim that sweet treats give children a “sugar high,” evaluating claims of recovered memories, and judging the extent to which the people we call “geniuses” are different from the rest of us.
Critical Thinking Applied At the end of each chapter, you will be asked to consider issues disputed among psychologists and issues raised in the media, such as the nature of the unconscious mind and the effects of subliminal persuasion. Each of these issues requires a skeptical attitude and the application of a special set of critical thinking skills that we will introduce in Chapter 1.
DISCOVERING PSYCHOLOGY VIDEOS At the end of each chapter, you will notice viewing guides for Discovering Psychology, a 26-part video series produced by WGBH and Annenberg Media and narrated by the lead author of this textbook, Phil Zimbardo. The videos provide an overview of his- toric and current theories of human behavior and feature many of the researchers and studies introduced in this textbook. You can access the Discovering Psychology videos and additional viewing resources through MyPsychLab (www.mypsychlab.com), the online companion to this textbook.
We have one final suggestion to help you succeed in psychology: This book is filled with examples to illustrate the most important ideas, but you will remember these ideas longer if you generate your own examples as you study. This habit will make the information yours as well as ours. And so we wish you a memorable journey through the field we love.
Phil Zimbardo Bob Johnson
T O T H E I N S T R U C T O R . . .
Psychology has undergone remarkable changes since 2008, when we finished writing the previous edition of Psychology: Core Concepts. Here are just a few examples of the new developments we have included in this seventh edition:
• The brain’s “default network,” involving parts of the temporal lobe, the prefrontal cortex, and the cingulate cortex, becomes active when people focus their attention internally—when they are remembering personal events, making plans, or imagin- ing the perspectives of others. Unfortunately, daydreamers activating this default network while studying will probably not remember the material they have just studied.
• New research shows that analgesics such as Tylenol, normally used to treat physical pain, can reduce the painful psychological sensations resulting from social rejection and ruminating about unhappy relationships.
• Also in the realm of sensation, taste researcher Linda Bartoshuk has discovered a “Rosetta Stone,” enabling her to compare objectively the intensities of taste sensations experienced by different individuals.
• Meanwhile, perceptual psychologists have recently used brain scans to confirm the assertion that Americans and Asians perceive scenes differently.
• Brain scans have also enabled researchers to assess patients who have been classi- fied as in persistent vegetative states—and predict which ones might improve.
• In healthy individuals, scans have detected changes in the brains of volunteers who have undergone intensive training in meditation. The changes are most obvious in brain areas associated with memory, emotional processing, attention, and stress reduction.
• As cognitive psychologists continue to puzzle over the Flynn effect, IQ scores con- tinue to rise—but new studies show that the rise is slowing in developed countries of the West.
• Cognitive research also shows that one in four auto accidents results from the driver failing to notice hazardous conditions while using a cell phone—a bad decision probably deriving from a mistaken belief in multitasking. (Perhaps future research will determine whether the IQs of these drivers fall above or below the rising average.)
• New research by our own Phil Zimbardo shows that decisions can also be influenced by a personality trait that he calls time perspective—referring to a past, present, or future orientation.
• However, the ultimate influence on our decisions lies in natural selection, accord- ing to evolutionary psychologists—who have recently proposed a major new and controversial modification of Maslow’s famous hierarchy of needs.
In all, we have included some 350 new references in this new edition—gleaned from literally thousands we have perused. Which is to say that psychological knowledge continues to grow, with no end in sight. As a result, many introductory textbooks have grown to daunting proportions. Meanwhile, our introductory courses remain the same length—with the material ever more densely packed. We cannot possibly introduce students to all the concepts in psychology, nor can our students possibly remember everything.
The problem is not just one of volume and information overload; it is also a prob- lem of meaningfulness. So, while we have aimed to cover less detail than do the more encyclopedic texts, we have not given you a watered-down “brief edition” book. The result is an emphasis on the most important and meaningful ideas in psychology.
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Our inspiration for Psychology: Core Concepts came from psychological research: specifically, a classic study of chess players by Dutch psychologist and chess master Adriaan de Groot (1965). His work, as you may recall, involved remembering the locations of pieces on a chessboard. Significantly, when the pieces were placed on the board at random, chess experts did no better than novices. Only when the pat- terns made sense—because they represented actual game situations—did the experts show an advantage. Clearly, meaningful patterns are easier to remember than random assignments.
In applying de Groot’s findings to Psychology: Core Concepts, our goal has been to present a scientific overview of the field of psychology within meaningful patterns that will help students better remember what they learn so that they can apply it in their own lives. Thus, we have organized each major section of every chapter around a single, clear idea that we call a Core Concept, which helps students focus on the big picture so they don’t become lost in the details.
From the beginning, our intention in writing Psychology: Core Concepts has been to offer students and instructors a textbook that combines a sophisticated introduc- tion to the field of psychology with pedagogy that applies the principles of psychology to the learning of psychology, all in a manageable number of pages. Even with all the new material we have included, the book remains essentially the same size—which, of course, meant making some tough decisions about what to include, what to delete, and what to move into our extensive collection of ancillary resources.
Our goal was to blend great science with great teaching and to provide an alter- native to the overwhelmingly encyclopedic tomes or skimpy “brief edition” texts that have been traditionally offered. We think you will like the introduction to psychol- ogy presented in this book—both the content and the pedagogical features. After all, it’s a text that relies consistently on well-grounded principles of psychology to teach psychology.
NEW TO THIS EDITION This edition of Psychology: Core Concepts is certainly no perfunctory revision or slap- dash update. And here’s why . . .
We have reconceptualized our goal of helping students learn to “think like psychologists.” These days, of course, everyone emphasizes critical thinking. The new edition of Psychology: Core Concepts, however, gives equal weight to that other essen- tial thinking skill: problem solving.
To encourage the sort of problem solving psychologists do, every chapter begins with a Problem, a feature we introduced in the last edition. The Problem grows out of the opening vignette and requires, for its solution, material developed in the chapter. In this edition, we have focused on helping readers discover, throughout each chapter, the “clues” that lead to the solution of the problem.
But we have not neglected critical thinking. Throughout the text, we deal with common psychological misconceptions—such as the notion that venting anger gets it “out of your system” or the belief that punishment is the most effective way of chang- ing behavior. And in our Critical Thinking Applied segment at the end of each chapter, we also focus on an important psychological issue in the popular media or an ongoing debate within the field:
• Can “facilitated communication” help us understand people with autism? • Left vs. right brain: Do most of us use only one side of the brain? • Can our choices be influenced by subliminal messages? • Do people have different “learning styles”? • The recovered memory controversy: How reliable are reports of long-forgotten
memories of sexual abuse? • Gender issues: Are we more alike or more different? • The “Mozart Effect”: Can music make babies smarter?
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• The Unconscious reconsidered: Has modern neuroscience reshaped Freud’s concept of the unconscious mind?
• Do lie detectors really detect lies? • The person-situation controversy: Which is the more important influence on our
behavior? • Is terrorism “a senseless act of violence, perpetrated by crazy fanatics”? • Insane places revisited: Did Rosenhan get it right? • Evidence-based practice: Should clinicians be limited by the tested-and-true? • Is change really hazardous to your health?
But that’s not all. We have made extensive updates to the text (in addition to the new research listed above). And we have improved the pedagogical features for which Psychology: Core Concepts is known and loved. To give a few examples, we have:
• added MyPsychLab icons throughout the margins to highlight important videos, simulations, podcasts, and additional resources for students to explore online. New to this edition, we have created Read on MyPsychLab activities that allow students to read and answer questions about many interesting topics more deeply online.
• shifted the focus of psychology’s six main perspectives to practical applications, giving a concrete example of a real-life problem for each.
• clarified and updated our discussion of the scientific method to reflect more accurately how research is done in a real-world context.
• added material on interpreting correlations—to help students use the notions of correlation and causation more accurately in their everyday lives.
• simplified and consolidated our discussion of the split-brain experiments. • updated material on flashbulb memories, using up-to-date examples. • created a new section on cognitive theories of intelligence. • added a new Psychology Matters piece entitled “Not Just Fun and Games: The
Role of Child’s Play in Life Success,” telling of the growing role of self-control in life success, and how parents and teachers can help nurture this important ability.
• added new material on Vygotsky’s theory, including scaffolding and the zone of proximal development, plus new material on neural development in adolescence.
• revised and expanded the sections on daydreaming and on both REM and NREM sleep to reflect important new research.
• changed the order of topics in the Motivation and Emotion chapter, bringing in new material on practical ways of motivating people, updating the section on sexual orientation, and presenting a revised hierarchy of needs based in evolutionary psychology.
• added new material on cross-cultural differences in shyness, Carol Dweck’s research on mindset, and individual differences in time perspective.
• updated the section on positive psychology. • updated the Heroic Defiance section, including new examples from the recent
Egyptian protests and new material on events at the Abu Ghraib prison. • added new examples of recent replications of Milgram’s obedience experiment. • added new material on bullying, the jigsaw classroom, and stereotype lift. • reconceptualized depression in terms of Mayberg’s model, which emphasizes three
factors: biological vulnerability, external stressors, and abnormality of the mood- regulation circuits in the brain. Also presented the new studies on the value of exercise in combating depression and the anxiety disorders.
• added new material on psychopathy—which is attracting increasing interest but is not a DSM-IV disorder.
• discussed the growing rift within clinical psychology (and between APA and APS) over empirically supported treatments and empirically based practice.
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• updated the information on telehealth therapy strategies. • connected the discussion of traumatic stress to the 2011 earthquake in Japan. • added a new Do It Yourself! The Undergraduate Stress Questionnaire: How Stressed
We think you will find the seventh edition up-to-date and even more engaging for students than the previous edition. But the changes are not limited to the book itself. Please allow us to toot our horns for the supplements available to adopters.
TEACHING AND LEARNING PACKAGE The following supplements will also enhance teaching and learning for you and your students:
Instructor’s Manual Written and compiled by Sylvia Robb of Hudson County Community College, includes suggestions for preparing for the course, sample syllabi, and current trends and strategies for successful teaching. Each chapter offers integrated teaching outlines, lists the Key Questions, Core Concepts, and Key Terms for each chapter for quick reference, an extensive bank of lecture launchers, handouts, and activities, crossword puzzles, and suggestions for integrating third-party videos, music, and Web resources. The electronic format features click-and-view hotlinks that allow instructors to quickly review or print any resource from a particular chapter. This resource saves prep work and helps you maximize your classroom time.
Test Bank Written by Jason Spiegelman of Community College of Baltimore County, has provided an extensively updated test bank containing more than 2,000 accuracy- checked questions, including multiple choice, completion (fill-in-the-blank and short answer), and critical essays. Test item questions have been also written to test student comprehension of select multimedia assets found with MyPsychLab for instructors who wish to make MyPsychLab a more central component of their course. In addition to the unique questions listed previously, the Test Bank also includes all of the Check Your Understanding questions from the textbook and all of the test questions from the Discovering Psychology Telecourse Faculty Guide for instructors who wish to reinforce student use of the textbook and video materials. All questions include the correct answer, page reference, difficulty ranking, question type designation, and correlations to American Psychological Association (APA) Learning Goal/Outcome. A new feature of the Test Bank is the inclusion of rationales for each correct answer and the key distracter in the multiple- choice questions. The rationales help instructors reviewing the content to further evaluate the questions they are choosing for their tests and give instructors the option to use the rationales as an answer key for their students. Feedback from current customers indicates this unique feature is very useful for ensuring quality and quick response to student queries. A two-page Total Assessment Guide chapter overview makes creating tests easier by listing all of the test items in an easy-to-reference grid. The Total Assessment Guide organizes all test items by text section and question type/level of difficulty. All multiple- choice questions are categorized as factual, conceptual, or applied.
The Test Bank comes with Pearson MyTest, a powerful assessment-generation program that helps instructors easily create and print quizzes and exams. Ques- tions and tests can be authored online, allowing instructors ultimate flexibility and the ability to efficiently manage assessments anytime, anywhere! Instructors can easily access existing questions and then edit, create, and store them using simple drag-and- drop and Word-like controls. Data on each question provide information relevant to dif- ficulty level and page number. In addition, each question maps to the text’s major section and learning objective. For more information, go to www.PearsonMyTest.com.
NEW Interactive PowerPoint Slides These slides, available on the Instructor’s Resource DVD (ISBN 0-205-58439-7), bring the Psychology: Core Concepts design right into the classroom, drawing students into the lecture and providing wonderful interactive
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activities, visuals, and videos. A video walk-through is available and provides clear guidelines on using and customizing the slides. The slides are built around the text’s learning objectives and offer many links across content areas. Icons integrated throughout the slides indicate interactive exercises, simulations, and activities that can be accessed directly from the slides if instructors want to use these resources in the classroom.
A Set of Standard Lecture PowerPoint Slides Written by Beth M. Schwartz, Randolph College, is also offered and includes detailed outlines of key points for each chapter supported by selected visuals from the textbook. A separate Art and Figure version of these presentations contains all art from the textbook for which Pearson has been granted electronic permissions.
Classroom Response System (CRS) Power Point Slides Classroom Response System questions (“Clicker” questions) are intended to form the basis for class discussions as well as lectures. The incorporation of the CRS questions into each chapter’s slideshow facilitates the use of “clickers”—small hardware devices similar to remote controls, which process student responses to questions and interpret and display results in real time. CRS questions are a great way to get students involved in what they are learning, especially because many of these questions address specific scientific thinking skills highlighted in the text. These questions are available on the Instructor’s Resource DVD (ISBN 0-205-85439-7) and also online at http://pearsonhighered.com/irc.
Instructor’s Resource DVD (ISBN 0-205-85439-7) Bringing all of the Seventh Edition’s instructor resources together in one place, the Instructor’s DVD offers both versions of the PowerPoint presentations, the Classroom Response System (CRS), the electronic files for the Instructor’s Manual materials, and the Test Item File to help instructors customize their lecture notes.
The NEW MyPsychLab The NEW MyPsychLab combines original online materials with powerful online assessment to engage students, assess their learning, and help them succeed. MyPsychLab ensures students are always learning and always improving.
• New video: New, exclusive 30-minute video segments for every chapter take the viewer from the research laboratory to inside the brain to out on the street for real-world applications.
• New experiments: A new experiment tool allows students to experience psychol- ogy. Students do experiments online to reinforce what they are learning in class and reading about in the book.
• New BioFlix animations: Bring difficult-to-teach biological concepts to life with dramatic “zoom” sequences and 3D movement.
• eText: The Pearson eText lets students access their textbook anytime, anywhere, in any way they want it, including listening to it online.
• New concept mapping: A new concept-mapping tool allows students to create their own graphic study aids or notetaking tools using preloaded content from each chapter. Concept maps can be saved, e-mailed, or printed.
• Assessment: With powerful online assessment tied to every video, application, and chapter of the text, students can get immediate feedback. Instructors can see what their students know and what they don’t know with just a few clicks. Instruc- tors can then personalize MyPsychLab course materials to meet the needs of their students.
• New APA assessments: A unique bank of assessment items allows instructors to assess student progress against the American Psychological Association’s Learning Goals and Outcomes. These assessments have been keyed to the APA’s latest pro- gressive Learning Outcomes (basic, developing, advanced) published in 2008.
Proven Results Instructors and students have been using MyPsychLab for nearly ten years. To date, more than 500,000 students have used MyPsychLab. During that time,
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three white papers on the efficacy of MyPsychLab were published. Both the white papers and user feedback show compelling results: MyPsychLab helps students succeed and improve their test scores. One of the key ways MyPsychLab improves student outcomes is by providing continuous assessment as part of the learning process. Over the years, both instructor and student feedback have guided numerous improvements, making MyPsychLab even more flexible and effective.
Please contact your local Pearson representative for more information on MyPsychLab. For technical support for any of your Pearson products, you and your students can contact http://247.pearsoned.com.
NEW MyPsychLab Video Series (17 episodes) This new video series offers instructors and students the most current and cutting-edge introductory psychology video content available anywhere. These exclusive videos take the viewer into today’s research laboratories, inside the body and brain via breathtaking animations, and onto the street for real-world applications. Guided by the Design, Development and Review team, a diverse group of introductory psychology instructors, this comprehensive series features 17 half-hour episodes organized around the major topics covered in the introductory psychology course syllabus. For maximum flexibility, each half-hour episode features several brief clips that bring psychology to life:
• The Big Picture introduces the topic of the episode and provides the hook to draw students fully into the topic.
• The Basics uses the power of video to present foundational topics, especially those that students find difficult to understand.
• Special Topics delves deeper into high-interest and cutting-edge topics, showing research in action.
• In the Real World focuses on applications of psychological research. • What’s in It for Me? These clips show students the relevance of psychological
research to their own lives.
Available in MyPsychLab and also on DVD to adopters of Pearson psychology text- books (ISBN 0-205-03581-7).