What has been suggested by research on fraternal and identical twins?
A. nearly all of the variation in memory scores may be accounted for by the differences in genetic makeup
B. the research has been mostly inconclusive
C. nearly all of the variation in memory scores may be accounted for by differences in environment and upbringing
D. more than half the variation in memory scores may be accounted for by differences in genetics
Answer: D. more than half the variation in memory scores may be accounted for by differences in genetics
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Adding two plus two involves the process of
a. thinking b. social cognition c. grammar d. discrepancy principle
An experimental study by McDonald, Zanna, and Holmes (2000) gave alcohol, placebo drinks, or no drinks to male students in relationships. They were asked to describe and evaluate conflict in their relationship. The results show that
A) both the intoxicated and placebo groups had a more negative view of their partner and their relationships than the control group. B) both the intoxicated and placebo groups had a more positive view of their partner and their relationships than the control group. C) intoxicated participants had a more positive view of their relationship than either the placebo or control group. D) intoxicated participants reported more negative emotions and had a more negative view of their partner than the placebo or control group. E) intoxicated participants changed to a more positive view of their relationship after consuming alcohol compared to their perceptions before consuming alcohol.
Enzymes __________.
A. are formed from lipids B. control chemical reactions C. control the absorption of glucose into cells D. provide energy to the cell
The imaginary plane in which all objects project to corresponding points in the left and right retina is _____
A) ?the horopter B) ?the univariance plane C) ?the constancy arc D) ?the binocular area