Question 10.10. (TCO 2) Someone interested in studying the effects of text messaging rather than talking on the phone on the quality of friendships would perform _____ as the first step in order to follow the scientific method. (Points : 2)
forming a testable hypothesis
developing a theory
reviewing the literature of existing theories
designing a study

Question 11.11. (TCO 2) If a psychology teacher lets students earn extra credit by volunteering for research, he or she is ethically required to _____. (Points : 2)
volunteer for a study himself or herself
provide an alternative extra credit activity of equal value
help conduct the study himself or herself
All of the above

Question 12.12. (TCO 2) _____ research observes and records behaviors without manipulating variables or producing causal explanations. (Points : 2)

Question 13.13. (TCO 2) Which scientific method of research would be used if a college student running for student body president was trying to determine whether to emphasize campus security, improve parking facilities, or increase health services in his or her campaign? (Points : 2)
A case study
Naturalistic observation
An experiment
A survey

Question 14.14. (TCO 2) In experiments, _____ variables are selected and manipulated by the experimenter. (Points : 2)

Question 15.15. (TCO 2) One of the BEST ways to deal with ethnocentrism in scientific research is to _____. (Points : 2)
create culturally diverse research review committees
provide cultural sensitivity training to all researchers
use cross-cultural sampling
ignore it because cultural universals are more prevalent than cultural specifics

Question 16.16. (TCO 2) Which of the following is an example of a zero correlation? (Points : 2)
The relationship between your grades and how much time you spend studying
The relationship between your alcohol consumption and physical reaction time
The relationship between intensity of rain and umbrella use
The relationship between your adult height and intelligence

Question 17.17. (TCO 3) Evidence for _____ can be found when adopted children’s behavior resembles their adopted family’s behavior. (Points : 2)
predominance of nurture
predominance of nature
interacting contributions of nature and nurture
equal contributions of nature and nurture

Question 18.18. (TCO 3) The basic units of the brain and the rest of your nervous system are the _____. (Points : 2)

Question 19.19. (TCO 3) One important difference between a mylinated and bare axon is _____. (Points : 2)
the neural impulse is faster in the mylinated axon
the neural impulse is faster in the bare axon
only the bare axons have nodes
the bare axons are heavier

Question 20.20. (TCO 3) What part(s) of the cell receive incoming messages? (Points : 2)
Axons and cell body
Dendrites alone
Dendrites and cell body

Question 21.21. (TCO 3) Chemical messengers that are released by axons and stimulate dendrites on another neuron are called _____. (Points : 2)
chemical messengers
synaptic transmitters

Question 22.22. (TCO 3) If you run a marathon, your body will release _____ to elevate your mood and reduce your pain. (Points : 2)
lactic acid

Question 23.23. (TCO 3) One of the hormones released by the adrenal glands in response to stress is _____. (Points : 2)

Question 24.24. (TCO 3) The difference between neurons in the PNS and neurons in the CNS is _____. (Points : 2)
damage to the PNS neurons is more often fatal
neurons in the PNS can regenerate
damage to PNS neurons is usually irreversible
Both A and C

Question 25.25. (TCO 3) The spinal cord is found inside the spinal column and is involved in _____. (Points : 2)
initiating voluntary behavior
the release of hormones body
higher order cognitive functioning
coordinating reflexes

Question 26.26. (TCO 3) The autonomic nervous system is responsible for _____. (Points : 2)
connecting the CNS with the skeletal muscles
the somatic and parasomatic nervous system
regulation of the heart muscle and other involuntary functions
linking the body with the sense organs

Question 27.27. (TCO 3) After arguing with her husband over dinner, Sue developed a stomach ache. This was probably because _____. (Points : 2)
her sympathetic nervous system activated and shut down digestion during the argument
her parasympathetic nervous system activated and shut down digestion during the argument
her endocrine system sent out too many hormones to her stomach
her central nervous system signaled for too much acid to be produced in her stomach

Question 28.28. (TCO 3) Many symptoms of schizophrenia, like hearing voices, misunderstanding social cues, and misinterpreting sensory information could be due to abnormalities in the _____. (Points : 2)
reticular formation
All of the above

Question 29.29. (TCO 3) Which of the following is a characteristic of the cerebral cortex? (Points : 2)
It involves emotions and memory.
It controls both autonomic and voluntary behavior.
It regulates reflexive behavior.
It is responsible for higher mental processes.

Question 30.30. (TCO 3) This part of the cerebrum interprets bodily sensations. (Points : 2)
Posterior lobe
Anterior lobe
Parietal lobe
Temporal lobe

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