An experiment evaluating the effectiveness of an intervention for improving attitudes about something finds that the mean posttest score of the experimental group is 70, which is better than the control group’s mean posttest score of 65. The significance level is .05, and the p value is .01. The standard deviation is 5
The results are statistically significant.
Indicate whether the statement is true or false.
T
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MacCoun and Reuter calculate that for which of the following substances is the elasticity index the greatest-that is, there is the greatest decrease in purchases, given a 1 percent increase in price?
A. cigarettes. B. heroin. C. marijuana. D. MacCoun and Reuter argue that calculating the elasticity index is impossible because such an outcome as drug purchases, given price, cannot be known. E. none of the above.
The Gift Range Chart calculates all of the following EXCEPT:
A. the number of potential gifts from expected contributors B. expected totals in each category C. the projected gift range categories D. the pool of prospects needed
Because client issues are developed in a cultural context, it is important to:
a. Not become distracted by context and just focus on the client's concern b. Listen for family and cultural issues that affect the client c. Listen for similarities between the client's particular cultural context and your own as an interviewer d. Focus more on family and cultural issues than on any particular concern the client might have
Which of the following is a tip for improving sleep?
A) Decrease physical exercise B) Take more naps C) Drink more caffeine D) Increase exposure to natural daylight