Regarding sleep, which of the following statements is/are TRUE?
a. Sleep is caused by the accumulation of chemicals in the blood.
b. Whether one is awake or asleep depends on the balance between separate sleep and waking systems.
c. The brain tends to "shut down" during sleep, with brain activity decreasing dramatically.
d. All of these statements are true.
B
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According to John Holland's personality type theory, people who are possess good verbal and interpersonal skills are described as __________.
A. conventional B. enterprising C. social D. realistic
Two mechanisms are believed to be responsible for the evolution of the human brain. They are:
A. genetic mutation and natural selection B. genetic mutation and mitosis C. genetic codominance and incomplete dominance D. natural selection and recessive genes
Which of the following is NOT true of the problem of demand characteristics?
a. Demand characteristics are less important in research that does not involve deception and in which participants are encouraged to perform as accurately as possible. b. Avoiding demand effects is important consideration in social psychological research. c. Participants in social psychological research often do not comply with the demands of the experimenter. d. Demand characteristics are a source of experimental error.
The essential stimulus for touch is
(a) deforming of the skin by mechanical pressure (b) contact with the so-called "hair cells" under the skin (c) the vestibular system cells (VSCs) (d) none of the above