Which of the following drugs contributes most to the annual monetary cost to U.S. society because of substance abuse?

Stereotype threat refers to

A) poor performance on IQ tests by minorities. B) the fear that poor performance on an IQ test will confirm minority stereotypes. C) threats against minorities if they perform well on an IQ test. D) the stereotype that minorities are less intelligent than others.

Scientists arbitrarily set the limit for _____ as stimulation that can be detected 50 percent of the time

a) Weber's law b) the absolute threshold c) the difference threshold d) the saturation point