Which of the following is an example of an operational definition?
A) Obesity occurs when a person becomes 20 percent over normal weight.
B) Frustration is when a person becomes upset with life.
C) A hypothesis is a conjecture about the relationship between variables.
D) Anxiety is how you felt the first time you had to give a speech.

Question

Quizplus · Accepted Answer

Operational definitions specify how concepts are measured or defined in a specific study. Choice A provides a clear, measurable criterion (20 percent over normal weight) for defining obesity, making it an operational definition. Choices B, C, and D describe concepts in more general or subjective terms without providing a specific, measurable criterion.

Which of the Following Is an Example of an Operational