Applied behavior analysis (ABA) is a particularly promising treatment for __________

Piaget was born in _____ and he died in _________

Fill in the blank(s) with the appropriate word(s).

Over the last 100,000 years, Homo sapiens have ___ biologically and have ____ socially

a. changed very little; changed very dramatically b. changed very dramatically; changed very little c. not changed at all; remained constant d. evolved to become shorter; regressed to an earlier time period