Dr. Harris conducts an experiment on psychophysics using participants above age 65. These participants would constitute the ________ of the study.

Alexandra's older sister is praised for being good at math, but Alexandra struggles with the subject. What would the resulting feelings of being "not good enough" be called?

a. Negative reinforcement b. Negative archetype c. Inferiority complex d. Oedipal complex

A ________ test is a test that yields a similar score when the same person takes the test several times

A) questionable B) conclusive C) reliable D) valid