In an experiment by Pavlov, dogs were required to make finer and finer discriminations between circles and ellipses. When the dogs could no longer reliably discriminate, they:

In his investigation of sex differences, Erikson observed that, in their play, girls emphasize ________ space, whereas boys emphasize ________ space.

a) low; high b) outer; inner c) high; low d) inner; outer

Why is it important to understand the idea of attachment style?

a. So that people in a relationship can show love in the manner desired by their partner. b. So that it is possible to avoid the problems of Internet dating. c. Because the more that partners know about each other, the more intimate the relationship. d. Because the amount of security as an infant leads to the ability of adults to form relationships with others.