At between 2 and 3 years of age children begin using three to four word sentences that contain only the words needed to communicate their meaning. These sentences reflect:

A psychological test that measures what we intend it to measure is said to be _____

a) valid. b) normed. c) reliable. d) standardized.

When desirable or undesirable characteristics of personality are evaluated, we are assessing

a. temperament. b. character. c. personality types. d. popular stereotypes.