Which two theorists laid the groundwork for the theory of operant conditioning?

____ is characterized by a nearly constant state of worry and apprehension about a wide variety of events or activities, on most days over a 6-month period.

Fill in the blank(s) with the appropriate word(s).

People who ________ are quick to cope with problems rather than stewing and brooding about them

a. set easily attainable goals b. place a high value on financial success c. are motivated by performance goals d. have a strong sense of self-efficacy