Examlex
Which of the following is NOT a type of externality?
Exercise Program
A structured regimen or plan of physical activities designed to improve fitness or achieve a specific health outcome.
Attrition
The reduction in the number of participants during the course of a study, often leading to potential biases.
Obese People
Individuals who have a body mass index (BMI) of 30 or higher, indicating a high amount of body fat in relation to lean body mass.
One-group Posttest
An experimental design where only one group is studied and the assessment occurs only after the intervention or treatment.
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