The model or theory that includes four beliefs-perceived susceptibility, perceived severity, perceived benefits, and perceived barriers-to predict health-related behavior is the

Compared to deaf adults exposed to sign language from birth, those who first learn sign language as teens are less likely to:

a. correctly imitate the signs they are shown. b. use signs to indicate concrete objects. c. mentally associate signs with written words. d. comprehend grammatical subtleties of sign language.

Research data suggests that the amount a child talks is strongly influenced by ______, while ______ determines the words and grammatical constructions a child understands

culture; genes myelination; genes genes; experience expression; reception