In Plomin's study of the effects of heredity on intelligence
a. adopted children's intelligence was more similar to their adoptive parents' skills and they became more similar as the children grew older.
b. adopted children's intelligence was more similar to their biological parents' skills, but they became less similar as the children grew older.
c. adopted children's intelligence was more similar to their adoptive parents' skills, but they became less similar as the children grew older.
d. adopted children's intelligence was more similar to their biological parents' skills and they became more similar as the children grew older.
d
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A vaginal photometer and a penile plethysmograph can be used as measures of
a. orgasm. b. sexual arousal. c. sexual satisfaction. d. blood flow to the vagina or penis.
Negative attention-seeking will develop in some children because
a. punishment is always ineffective and teaches aggression. b. the parents reward the children's correct social behaviors in only limited situations. c. punishment was not used to get rid of the negative attention-seeking in the children. d. the children receive attention when they are ill-behaved but are ignored when they are well-behaved.