In today's work environment, most people are doing multiple activities at the same time: checking emails on a phone while attending a meeting and eating lunch and jotting down notes for a proposal due the next day. Which of the following concepts is reflected by this type of activity?

Rob is a computer programmer whose job is to program the mechanism that operates slot machines. Which schedule of reinforcement will he program into the slot machine?

a) fixed-ratio b) fixed-interval c) variable-ratio d) variable-interval

Which motivational theory views motivated behavior as being performed to reduce a physiological imbalance and return the organism to a more balanced state?

a) equilibrium b) homeostatic c) balance-state d) drive-reduction