Perceptual ____________________ is the tendency to perceive an object to be the same, even though the sensations produced by the object may differ under various conditions

Most babies learn to grab and hold onto objects by about

2 months. 4 months. 6 months. 8 months.

Internal states that push an individual toward behaving in a certain way are called:

a. incentives b. drives c. instincts d. conditioned stimuli