Following administration of hallucinogens some users report that colors are brighter, sounds are crisper, and their bodies feel different. Based on what you now know, you might surmise that these effects are due to drug activity in the:

Male hormones produced by the gonads are called ________, while females hormones produced by the gonads are called ______

a. testosterone; estrogens b. estrogens; testosterone c. testosterone; androgens d. estrogens; androgens

An academic test that reflects the material it intends to assess is said to have

a) reliability. b) content validity. c) construct validity. d) predictive validity.