A researcher uses the number of times a person smiles at others as a measure of friendliness.This an example of
A)an operational definition.
B)hypothesis testing.
C)parsimony.
D)internal consistency.

Question

Quizplus · Accepted Answer

This is an example of an operational definition because the researcher is defining friendliness in terms of a behavior that can be observed and counted. The number of times a person smiles at others is a measurable and observable behavior that can be used as a proxy for friendliness, which may be more abstract and difficult to measure directly.

A Researcher Uses the Number of Times a Person Smiles