What form of jealousy is based on a very real threat to the relationship?

The normative group is

a) a single population from which scores are interpreted b) the group from which standards for interpreting the test are taken c) randomly selected from the test sample population d) any population of examinees for a given test

Maturation is defined as the

a. physical growth and development of the body, brain, and nervous system. b. organism's ability to adapt to changing conditions. c. sum of all the external conditions affecting development. d. transmission of physical and psychological characteristics from parent to offspring.