One of the primary costs of evolving large brains is
A. large brains require a lot of energy and nutrients relative to their size.
B. they are more subject to mutations than small brains, slowing evolution.
C. they are associated with population increases, which increases evolutionary pressures.
D. they evolved late in evolutionary history.
Answer: A
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An explanation of the moon illusion stating that the horizon seems more distant than the night sky is known as
a. the size illusion. b. Gregory's phenomenon. c. size constancy. d. apparent-distance hypothesis.
Jim has had no interest in sex for the last three years and this greatly troubles him. Jim's diagnosis would be a(n) __________ disorder
a. arousal b. sexual desire c. orgasm d. sexual pain
Which of the following is a technique typically used by behavioral therapists to treat
substance abuse? a. hypnosis c. self-actualization exploration b. electroconvulsive therapy d. social skills training
To test the impact of therapy on depression, a researcher tells a random half of his participants (falsely) that they failed an exam. He then conducts one hour of therapy with the "failure" participants
One week later the participants given false feedback are no more depressed than the control group, so the researcher concludes the treatment was effective. This would be described as which type of research? a) A mixed design b) An analogue study c) A correlational design d) Convenience sampling