Some researchers explain the bilingual disadvantage by proposing that translation equivalents in the unused language can interfere with lexical access in the used language. This is known as the __________ hypothesis.

Playing speed-and-action video games fosters

A) spatial skills in boys, but not in girls. B) selective attention in boys and girls alike. C) greater selective attention in girls, but not in boys. D) greater school performance for boys and girls alike.

In Super and Harkness's developmental niche, the unit of analysis is the

a. family within its cultural setting. b. culture. c. tribe or micro-culture. d. individual, often the child, within his or her cultural setting.