A researcher measures the extent to which the speed at which people eat (in minutes)predicts calorie intake (in kilocalories).Which factor is the predictor variable in this example?
A)the speed at which people eat
B)calorie intake
C)minutes and kilocalories
D)all of the above

Question

Quizplus · Accepted Answer

The predictor variable is the variable that is used to predict or explain changes in another variable, which in this case is calorie intake. The predictor variable is the speed at which people eat. Thus, option A is the correct answer. Option B is the outcome variable, or the variable being predicted, and option C represents the units of measurement for both variables, not the actual variables themselves.

A Researcher Measures the Extent to Which the Speed at Which