Several studies have suggested that ________ is associated with early menarche.
A. harmonious family relationships
B. family conflict
C. parental warmth
D. parental involvement in child rearing
Answer: B
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One reason twin studies produce higher estimates of heritability than some other methods may be that the twin studies
A. capturenonadditive effects of genetics. B. often incorrectly classify dizygotic and monozygotic twins. C. are based on small samples. D. overlook gender differences.
How are Seligman’s concepts of learned helplessness and learned optimism related to Erikson’s theory?
What will be an ideal response?
Of the following choices, the best definition of aggression is __________
a) unintentionally inflicting pain on another. b) intentionally inflicting physical or psychological harm on another. c) intentionally inflicting psychological harm on another. d) unconsciously inflicting physical pain on another.
Jacob's voice starts to change and he then experiences the beginning of pubic hair growth. This sequence of pubertal events is:
A) unusual. B) typical. C) more common in African American boys than Caucasian boys. D) an indication of a hormonal imbalance.