The mental and physical condition that occurs when a person must adjust or adapt to the environment is called __________

Clever devices--the stereoscope, a virtual reality headset, the 3D glasses used to view the film "Coraline"--create the illusion of three-dimensions by taking advantage of the fact that the left eye and the right eye see objects from slightly different locations. This binocular depth cue is:

a. retinal disparity b. aerial haze c. convergence d. linear perspective

Three-year-old Kate sees many squirrels in her front yard. One weekend on a family camping trip, Kate sees a chipmunk, and says, "Look, Dad, a squirrel with no tail!" Calling a chipmunk a squirrel is an example of what Piaget would call

A) reflective abstraction. B) assimilation. C) equilibration. D) accommodation.