A researcher decides to measure happiness by the number of times a person smiles each hour. Which statement best describes the relationship between happiness and smiling?
A) Both happiness and smiling are variables.
B) Both happiness and smiling are concepts.
C) Happiness is a concept and smiling a variable.
D) Happiness is a variable and smiling is a concept.

Question

Quizplus · Accepted Answer

Happiness is a concept that is abstract and cannot be directly measured, while smiling is a variable that can be quantified and used as an indicator of happiness.

A Researcher Decides to Measure Happiness by the Number of Times