Even though he made contributions to the emerging discipline of psychology, Helmholtz was a minor figure in 19^th century science.?

A national survey of lesbian and gay adolescents revealed which type of behavior?

A) being called names or threatened at school B) being pushed or shoved C) being physically assaulted at school D) all of the above

Children who are not exposed to language until late in life are often unable to use complex features of language. This suggests that learning language involves ____

a. ?conditioning b. ?a language acquisition device c. ?a critical period d. ?semantic networks