Answered

A team of psychologists was curious if omega-3 fatty acid supplements could help treat depression in adolescents. They recruited 50 adolescents with varying levels of depression to participate in an experiment. The researchers randomly assigned each subject to take either an omega-3 supplement or a placebo daily, and they monitored subjects' depression levels throughout the study. What is the main reason for randomly assigning the subjects?
A. To identify confounding variables
B. To control against nonresponse
C. To reduce the impact of sampling variability
D. To ensure both the subjects and researchers are blind to who is in which group
E. To create groups that are as similar as possible so the main difference between the groups is the treatment

Answer :

OLANMAEGO

The main reason for randomly assigning the subjects is: E. To create groups that are as similar as possible so the main difference between the groups is the treatment.

What is Random Assignment?

  • Random Assignment is a form of chance procedure that is applied in experiments so that every participant has an equal chance of being selected.

This is important because it removes bias from the procedures. It allows for equality and fairness in the processes.

Learn more about Random Assignment here:

https://brainly.com/question/6879984

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