Psychologists assess the correlation between scores obtained on two halves of a single test in order to measure the ________ of a test.

Which of the following would be true if the number of hours students spend watching T.V. is negatively correlated with their grades in school?

a) Students who watch less TV would have the higher grades. b) Students who watch more TV would have the higher grades. c) TV viewing would not be related to grades in any systematic way. d) TV viewing would be the independent variable in the study. a) Students who watch less TV would have the higher grades. b) Students who watch more TV would have the higher grades. c) TV viewing would not be related to grades in any systematic way. d) TV viewing would be the independent variable in the study. Answer: a

Siegler (1976) found that five-year-old children do not benefit from feedback on balance-scale conflict problems, whereas eight-year-old children do. Five-year-old children do not learn from feedback on conflict problems because they ___

a. encode distance, but not weight b. encode weight, but not distance c. misencode both weight and distance d. do not attend to feedback when they think they've solved a problem correctly