Susan wanted to know if aerobic exercise caused more weight loss than just walking
Susan had her experimental group do aerobic exercise for 20 minutes, 4 days a week. She weighed each subject before the experiment started and again 3 months into the experiment. The independent variable in her experimental research was _____
a) the subject's weight.
b) the exercise.
c) the amount of time the subject exercised.
d) the change in subject's weight at 3 months.
Answer: b
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Which of the following is not an area that research has suggested young children tend to overestimate their abilities?
a. intelligence c. physical appearance b. social standing d. problem-solving abilities
Which of the following experimental designs can maximize the chances of detecting a small effect?
A) a within-subjects design B) a between subjects design C) a time-series design D) a one-group design