In order to investigate whether nutritional information combined with telephone counseling is better at increasing weight loss among women who are obese than telephone counseling alone, researchers randomly assign one group of obese women to the counseling only group and assign another group of obsess women to the counseling plus nutritional information group. What type of epidemiological study is this?

Question

Quizplus · Accepted Answer

This is a randomized trial because participants are randomly assigned to either the intervention group (counseling plus nutritional information) or the control group (counseling only) to compare outcomes, which is characteristic of a randomized controlled trial (RCT).

In Order to Investigate Whether Nutritional Information Combined with Telephone