Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. About what percentage of people would have a height between 66 and 72 inches?
a. 48%
b. 68%
c. 75%
d. 95%
A
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Which tactic is a proven method for reducing automobile injuries to children?
A. use of seatbelts B. driving slowly at all times when children are in the car C. placing children in the front seat D. less adult supervision of children
About 10% of high school students report using unhealthy methods to lose weight such as diet pills, laxatives, or vomiting
Indicate whether this statement is true or false.
Which of the following is likely to be found in over-the-counter cold remedies?
a. pseudoephedrine b. aspirin c. guaifenesin d. all of these
The behavioral therapy that is designed to remove unwanted pleasant associations using classical conditioning techniques is:
a. systematic desensitization b. use of a token economy c. aversion therapy d. vicarious reinforcement