helps regulate melatonin, which is involved in sleep-wake cycles
What will be an ideal response?
pineal gland
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Among animal species that are meat-eating, ____
a. humans are the only species in which some individuals choose to be vegetarian b. about 5% of the population of most species choose to be vegetarian c. about 50% of the population of most species choose to be vegetarian d. the tendency to follow a mostly vegetarian (rather than meat-eating) diet appears to be largely genetic
Individuals who may not be professionals can search for information concerning mental disorders. This BEST reflects a purpose of classification that may be labeled ______.
a. basis for theory b. nomenclature c. information retrieval d. description
The Big Five factor that is defined in terms of a person's receptiveness to new ideas is called:
a. introversion b. agreeableness c. conscientiousness d. openness to experience
Which of these is an essential concern regarding ethical principles for human research?
A) Research participants must give informed consent. B) Research participants must be deceived so that they do not know the true nature of the research to which they are contributing. C) Research participants must be paid for their contribution. D) As long as informed consent has been given, research participants may be subjected to any level of physical or psychological pain or discomfort.