Darla was struggling to solve a difficult problem so she took a break to have lunch. As she ate, the solution to the problem suddenly occurred to her when she was not even consciously thinking about it. Darla experienced the ___________ effect

Which of the following is one of the five major personality traits that have been the focus of recent research?

a. dominance b. achievement c. extraversion d. responsibility

As the average daily temperature in Des Moines, Iowa, decreases the number of persons who are observed wearing sweaters in the workplace increases. This is an example of a(n) ________ correlation

A) illusory B) negative C) positive D) zero