A safety officer offered rewards to the entire class if everyone played more safely on the playground. This approach is an example of what?

Assessment instruments that are designed to tap unconscious feelings or motives are called

a. objective tests. b. projective tests. c. double-blind tests. d. single-blind tests.

A circadian rhythm is roughly_____ hours long

A) 1.5 B) 12 C) 6 D) 24