Matt occasionally gets urges or acts out wanting to touch someone who is unsuspecting in a crowd. This is an example of ___________.

Social interactionsts emphasize that

A) a single system of grammar underlies all languages. B) a language acquisition device helps children rapidly learn new words. C) brain regions housing language also govern similar perceptual and cognitive abilities. D) children's social skills and language experiences are centrally involved in language development.

Aaron is overweight. To feel better, he often compares himself to individuals who are heavier. This process illustrates:

a. downward social comparison b. ingratiation c. BIRGing d. upward social comparison