During the 1960s and 1970s, the criteria for remaining in state schools changed, and many individuals with intellectual developmental disorders were released into the community. This is an example of:

Which sleep disorder involves people literally acting out their dreams?

A) sleepwalking B) REM rebound C) REM behavior disorder D) sleep misperception

Jean Piaget's theory of cognitive development focused on

a. the resolution of psychological crises. b. improvements in mental hardware and software. c. children's creation of "theories" that help them understand their worlds. d. adaptive behaviors that are learned during critical periods.