If Cathy is a typical 18-month-old child, her parents should expect that for the next several months she will learn about how many new words a day?
a. 2
b. 9
c. 50
d. 85
b
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Mike used to really enjoy potato salad, and at a family reunion he ate a large helping. Unfortunately, the potato salad had not been properly refrigerated, and Mike became quite ill after eating it. Now he finds that even the sight of potato salad in the school cafeteria can make him feel sick to his stomach. In this example of classical conditioning, the unconditioned stimulus is:
a. the improperly refrigerated potato salad at his family reunion b. the illness Mike experienced after the family reunion c. Mike feeling sick to his stomach when he sees potato salad in the school cafeteria d. the sight of potato salad in the school cafeteria
The growth in connections between brain cells that occurs in waves supports which theory of cognitive development?
a. Piaget's stage theory b. learning theory c. Vygotsky's sociocultural theory d. humanistic theory
A behavior is a/an
a. skill that is learned. b. action that is either correct or incorrect. c. observable and measurable action. d. answer on a psychological test.
The eye muscles can be moved with greater precision than the biceps muscles because ____.
A. biceps have only slow-twitch muscles B. biceps have only fast-twitch muscles C. biceps are opposed by an antagonistic muscle; the eye muscles are not D. eye muscles have a lower ratio of muscle fibers to axons