When stimuli are close together, they tend to be grouped together as a perceptual unit. This exemplifies the Gestalt principle of:

The Kuhlmann-Anderson Test

a. is an extremely sound instrument. b. has good validity but poor reliability. c. is primarily a verbal test. d. is useful only for pre-school age children.

Ten-year-old Jordan has few sexual urges and expends most of his energy playing basketball. Jordan appears to be in Freud's _____ stage of development

a. phallic b. latency c. oral d. genital