Hosea is studying the relationship between caffeine consumption and problem-solving ability.Which of the following is a categorical way to operationalize caffeine consumption?
A)The number of glasses of soda consumed in a day
B)The number of milligrams of caffeine consumed during the study
C)The frequency of buying coffee drinks
D)Whether the participant drank a soda in the 24 hours prior to the study

Question

Quizplus · Accepted Answer

Option D is the only categorical option as it divides the participants into two groups, those who consumed soda in the 24 hours prior to the study and those who did not. The other options, A, B, and C, all represent continuous data.

Hosea Is Studying the Relationship Between Caffeine Consumption and Problem-Solving