A research hypothesis proposes that consuming low-carbohydrate diets results in increased weight loss. One group of people follows a low-carb diet for three weeks, while a second group follows a high-carb diet containing the same number of calories for three weeks. The average number of pounds lost per person is compared. What is the dependent variable?
A) number of pounds lost
B) the amount of carbs in each diet
C) the number of calories in each diet
D) length of time on the diet

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is being measured or observed in the study, which in this case is the average number of pounds lost per person. The independent variables are the type of diet (low-carb vs high-carb) and the length of time on the diet, but they do not affect the choice of dependent variable.

A Research Hypothesis Proposes That Consuming Low-Carbohydrate Diets Results in Increased