In the linear equation used for regression analysis, Y = a + bX, the Y represents the __________ variable and the X represents the __________ variable

Which the following is most consistent with Denney's view of age-related change in physical and cognitive functioning?

A) Physical exercise will facilitate maintenance of physical abilities through adulthood, but no equivalent improvement can be made in cognitive functioning. B) There is an underlying decay curve, so that with increased age there will eventually be a point at which even maximum exercise will not help an individual maintain his lifetime's peak functioning in either physical or cognitive abilities. C) If a skill is unexercised for any length of time, or becomes "rusty," exercise will not cause any improvement. D) Early adulthood is the time of peak function in physical and cognitive abilities.

Job enrichment increases workers'

a. stock options in the company. b. boredom and absenteeism. c. feelings of empowerment. d. pay and extrinsic motivation.