Wagner Et Al

question 77

Multiple Choice

Wagner et al. used an interrupted times series design to examine changes in worker productivity after the institution of a worker incentive plan. In addition to measuring productivity, they also examined other information in order to rule out alternative explanations of their results. They were able to rule out _______ because _______.

• A) history; no significant event occurred around the time of the program's start
• B) instrumentation; the manner of measuring productivity didn't change
• C) selection; of an absence of significant worker turnover
• D) all of the above

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Definitions:

College-Age

A term typically referring to individuals between 18 and 22 years old, often associated with higher education pursuits.

BMI

Body Mass Index (BMI) is a numerical computation based on height and weight which is often utilized to categorize underweight, normal weight, overweight, and obesity in adults.

Depressed

A state characterized by feelings of severe despondency and dejection, often encompassing both physical and psychological aspects.

Obese

A medical condition characterized by excessive body fat accumulation, which poses a risk to health, often defined by a Body Mass Index (BMI) of 30 or higher.