If your psychology test scores include 100, 100, 100, 80, and 70, then the mean is 90

Devonte, a 13-month-old, grabs his mother's keys that were laying on a nearby table. How is Devonte likely to explore this new object?

A. By turning it over in his hands B. By putting it in his mouth C. By smelling it D. By putting it up to his ears to listen

In the nativist approach to language development, theorist Noam Chomsky suggests that an innate mechanism directs language development. He refers to the neural system of the brain hypothesized to permit understanding of language as a(n) ____________

a. language acquisition device c. grammar checker b. universal grammar d. communication device