A researcher did a study on the effects of an exercise program on children's attention at school. Half of the children got assigned to participate in a before school exercise program and half got assigned to a control group program that does not involve exercise. Which of the following is the independent variable (IV) in this study?
a. whether or not the exercise experience occurs before or after school
b. whether or not the child experiences an exercise program
c. the level of children's attention at school
d. whether or not children have prior experience with strenuous exercise
Ans: b. whether or not the child experiences an exercise program
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Validity for the Kuhlmann-Anderson Test
a. is well documented. b. is poorly documented. c. is not based on correlations with other IQ tests. d. relies on face validity.
The children whose parents undergo training to help them with discipline and communication scored higher on IQ tests than a control group. What is another advantage of parental training?
A. the children become more popular with their peers at school B. the parents reported less stress at home C. the parents were more likely to help with their children's homework D. the children were more likely to be rated by their teachers as helpful