Eighty individuals who wished to lose weight were randomly divided into two groups of 40. One group was given an exercise program to follow while the other group was given a special diet. After three months, the researcher compared mean weight losses in the two groups. What type of study is this?
A) Observational study
B) Repeated measures study
C) Matched pairs study
D) Randomized experiment

Question

Quizplus · Accepted Answer

This is a randomized experiment because individuals were randomly assigned to either an exercise program or a special diet to compare the effects on weight loss, which is a hallmark of experimental design.

Eighty Individuals Who Wished to Lose Weight Were Randomly Divided