In a Fixed Interval schedule, a reinforcer is delivered after a period of time has elapsed

Soldad is discussing transformations in family life during the mid-twentieth century. He should say that in the 1950s:

a) couples worked and shared the childcare. b) couples were expected to stay married for life. c) cohabitation was common. d) it was ok to have babies without being married.

A complex sound causes

a. the base of the basilar membrane to flex. b. many different parts of the basilar membrane to flex simultaneously. c. flexing of the middle portion of the basilar membrane. d. the tip of the basilar membrane to flex intensely. e. random flexing of the basilar membrane.