A gym is offering a new 6-week diet plan for its members. Members who sign up for the program are weighed and measured once a week for the duration of the program. The owners of the gym want to know if the diet plan actually helps people lose weight. What variable could be a possible confounding factor in determining the cause of weight loss?
A)The person's education level.
B)The person's marital status.
C)The person's social life.
D)The person's exercise routine.

Question

Quizplus · Accepted Answer

The person's exercise routine could be a confounding factor because it can independently affect weight loss, making it difficult to determine if changes in weight are due to the diet plan or the exercise routine.

A Gym Is Offering a New 6-Week Diet Plan for Its