Dr. A and Dr. B are studying the effects of war on posttraum…
Dr. A and Dr. B are studying the effects of war on posttraumatic stress disorder. They both administer the same interview to the same soldiers returning from war. Which of the following psychometric test properties is being addressed in this example?
Read DetailsA study is conducted to evaluate the impacts of a worksite w…
A study is conducted to evaluate the impacts of a worksite weight loss program. The evaluator soon discovers the company has also made drastic changes to the foods served in the cafeteria, started walking meetings, and provided standing desks to all employees. These efforts were not a part of the weight loss program and the evaluator is concerned they might impact her study. Should she be concerned?
Read DetailsA study is designed to increase knowledge of the dangers of…
A study is designed to increase knowledge of the dangers of smoking and increase support to participants to quit smoking. The overall goal is to lead to an overall decreased risk of lung cancer among participants. In this example, the mid-term outcome is:
Read DetailsAn evaluator wants to compare how two different educational…
An evaluator wants to compare how two different educational programs (program A and program B) impact sleep issues. Sleep issues are measured using a sleep issues scale which results in scores from 0-10, with higher scores meaning more sleep issues. Which variable is the dependent variable?
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