The principle of object permanence is demonstrated by an infant's

laughing when a sibling makes faces.
grasping a rattle and banging it on the floor.
being willing to let go of an object.
searching for a toy that has fallen from sight.

searching for a toy that has fallen from sight.

Psychology

You might also like to view...

A group of psychologists reviews the literature

on the heritability of intelligence. They conclude that most of the estimates indicate that ________ percent of intelligence is due to genetics. a) 20 b) 30 c) 50 d) 80

Psychology

Relaxation training for patients with high blood pressure is an example of

a. treatment of coronary heart disease. b. primary prevention of coronary heart disease. c. tertiary prevention of coronary heart disease. d. secondary prevention of coronary heart disease.

Psychology