A community group wants to reduce the rate of CHD. It's important to them to only follow a method that has been proven to work. Which of the following do they choose?
a. a biofeedback clinic by appointment at a local mall
b. a seminar on stress management for Type A behavior
c. a media campaign focusing on diet and exercise
d. smoking cessation programs for cardiac patients
Answer: c.
Psychology
You might also like to view...
When are we most likely to expect larger differences between group means?
a. when there is considerable variability within groups b. when there is very little variability within groups c. when we have large samples d. when we have a lot of power
Psychology
. If you are comparing scores to a known or expected value, and the variable is measured on a nominal scale, you should conduct a(n) ______.
A. chi-square test of independence B. chi-square goodness of fit C. one-sample t test D. independent-samples t test
Psychology