Which of the following theories claim that social forces limit individual choice and direct life, especially in late adulthood?

In traditional cultures, who invariably assists the mother in the birth process?

a. the father b. the oldest daughter c. older women d. nurses

On a fixed-ration schedule reinforcement is given ________

a. for the first correct response after randomly varying amounts of time have passed b. for the next correct response after a fixed number of responses have been made c. for the first correct response after a fixed amount of time has passed d. for the next correct response after a varying number of responses have been made