___treatment approaches have been found effective for treating substance abuse

Your psychology professor has announced that the next test will asses your understanding of sensation and perception. When you receive the test, however, you find that very few questions actually relate to these topics. In this instance, you would be most concerned about the ________ of the test.

A. reliability B. factor analysis C. standardization D. validity

The two primary factors involved in the Yerkes-Dodson law are _____ and _____

Fill in the blank with correct word