How does your text explain the positive correlation between intelligence test scores and brain volume?
a) A larger brain produces higher intelligence.
b) Environmental variables like childhood nutrition are related to both intelligence and brain size.
c) Intellectual activity increases the size of the brain.
d) The correlation is largely an artifact of the statistical techniques used in meta-analyses.
ANS: B
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Why might someone adopt a self-handicapping strategy?
a. To improve their probability of success b. To provide an excuse for failure c. To avoid an activity that might be painful or embarrassing d. To obtain sympathy and help from others
Women are 50 percent more likely to experience depression than men, with the main reason for this difference being
a. social and environmental conditions. b. language differences. c. differences in the size of the corpus callosum and the amygdala in the brain. d. sex-linked traits.
Which of the following best describes the relationship between t-test and analysis of variance?
a. t2=r2 b. F=? c. t2=p<.001 d. F=t2
Which of the following statements best describes what Jody Davis and CarylRusbult (2001) found regarding attitude change in romantic relationships?
A) A person tends to bring his/her attitude into alignment with his/her partner's when the couple is not well-adjusted. B) A person tends to bring his/her attitude into alignment with his/her partner's for issues that are peripheral to the partner. C) A person tends to bring his/her attitude into alignment in close friendships but not romantic relationships. D) A person tends to bring his/her attitude into alignment with his/her partner's for issues that are central to the partner.