What part of the brain, important in learning and memory, has been found to demonstrate more neurogenesis in animals exposed to enriched environments?
a) the striate nucleus
b) the hippocampus
c) the suprachiasmatic nuclei
d) the reticular activating system
ANS: B
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The average deviation is:
a. the arithmetic average. b. the average distance between the scores in a distribution and the mean of the distribution. c. the square root of the average squared deviation from the mean. d. the difference between the lowest and highest score in a distribution.
Jeremy is an Asian American. Kevin is a White American. They are high school classmates and members of the basketball team. On one of the many standardized tests they have taken, Kevin received a higher score on explicit measures of self-esteem, but on implicit measures of self-esteem, their scores were virtually identical. What is a likely reason?
a. ?In collectivistic cultures, modesty may override outward expressions of self-esteem. b. ?Persons of Asian heritage tend to have lower self-esteem. c. ?In individualistic cultures, modesty may override outward expressions of self-esteem. d. ?Persons of European ancestry tend to have higher self-esteem.
Research suggests that casual sex is a. desired by both men and women and frequently regretted by both men and women. b. desired by men only and frequently regretted by women
c. desired by both men and women but only regretted by women. d. desired by women and frequently regretted by men.
This textbook is written because the authors
a. believe it could be potentially beneficial to their readers. b. will unveil mysterious secrets. c. wanted to write a self-help book. d. believe readers need professional therapy.