36.Studies by B.F.Skinner indicate that reward positively reinforces behavior and makesA B C

that behavior likely more to recur.

D

37.Mathematical puzzles are common into history because they have been used aA B C

intelligence tests and amusements.

D

38.Most authorities consider both dreaming while sleep and daydreaming to be forms

A B C

of fantasy.

D

39.Genetic engineering is helping researchers unravel the mysteries of previously

A B

incurable diseases so that they can get to its root causes and find cures.

C D

40.The Montessori method of education stresses initiative and self-reliance to permitting

A B

pupils to pursue independently whatever interests them,but within disciplined limits.

C D