A research hypothesis proposes that consuming low carbohydrate diets results in increased weight loss. One group of participants follows a low-carb diet for 3 weeks, whereas a second group follows a high-carb diet containing the same number of calories for 3 weeks. The average number of pounds lost for each group is then is compared. What is the dependent variable?
A) number of pounds lost
B) length of time on the diet
C) the amount of carbs in each diet
D) the number of calories in each diet

Question

Quizplus · Accepted Answer

The dependent variable is the variable being measured or tested in the study, which is the number of pounds lost. The independent variables are the type of diet (low-carb or high-carb) and the length of time on the diet (3 weeks). The amount of carbs and calories in each diet are controlled variables.

A Research Hypothesis Proposes That Consuming Low Carbohydrate Diets Results