The process by which a sequence of thoughts and action makes the sequence routine, so that it no longer requires conscious thought, is referred to as _____.

According to large-scale longitudinal studies comparing children who experienced a divorce with matched samples of children who never experienced a divorce, serious long-term social or emotional problems

a. are more than twice as common for children experiencing a divorce than children who did not experience a divorce. b. are slightly more common for children experiencing a divorce than those who do not. c. occur for a majority of children experiencing a divorce. d. are about equally common for children experiencing a divorce and children who did not.

How many variables are required to calculate a correlation coefficient?

a. 0 b. 1 c. 2 d. 3