Question: got this wrong would like help and work shown will give like Question 12 0 / 1 pt Researchers randomly divide participants into 4 groups.

got this wrong would like help and work shown will give like

Question 12 0 / 1 pt Researchers randomly divide participants into 4 groups. Each group takes a different amount of omega-3 fatty acid supplements daily for a month. One group receives a placebo. The researchers measure the impact on cholesterol levels in the blood. What is the purpose of random assignment in this experiment? Control Group Equalize the distribution of the placebo Experimental design Control for confounding variables

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