Gina is a single mother whose own mother has been patiently teaching her parenting and child-care skills so that Gina can eventually parent effectively on her own. This illustrates which helping arrangement?

According to the _____, work motivation is explained in terms of workers' beliefs about the effectiveness and value of the effort they put forth on the job

a) theory of achievement b) biological motivational theory c) expectancy theory d) social motive theory

Classes in education and the social sciences typically have a larger proportion of ___________ and classes in engineering, the physical sciences, and mathematics tend to have more _____

a. men than women; men than women. c. women than men; men than women. b. men than women; women than men. d. women than men; women than men.