The number of axes the previous version of the DSM, DSM-IV-TR, utilized along which clients were evaluated is:

In middle adulthood, a person is most likely to lose

a few pounds of weight. nearly an inch in height. the ability to run more than a mile. the ability to experience orgasm.

The reason researchers use random assignment in an experiment is to

A) ensure group equivalence. B) be fair to the participants. C) be able to influence the results. D) maximize the chance that they will get results that confirm their hypothesis.