What is the appropriate measure of effect size for a significant correlation coefficient?
a. Cohen’s w
b. Coefficient of determination
c. Pearson’s r
d. Contingency coefficient
Ans: B
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Studies with 9-month-old infants who could crawl suggest that independent locomotion is associated with ____ early in life
a. greater socialization c. less interest in people than in objects b. less maternal attachment d. better and more flexible memory
Sex differences:
a. are nonexistent. b. are greater than people tend to believe possible. c. are small and inconsistent. d. prove that gender stereotyping is accurate.
Long-term exposure to sounds with high decibels can result in ___________ deafness
a. rock and roll b. boilermakers' c. bone-conduction d. air-conduction
The behavioral genetics approach
A) examines the direct influence of genes by studying behavior at the cellular level. B) cannot explain how genes and environment influences behavior. C) is a strict behavioral approach to studying the influence of the environment on the expression of physical traits in related individuals. D) relies on family, twin, and adoption studies to investigate gene/environment interactions.