Do an observational study about the adhd

Reference no: EM131786365

Indicate whether the study is an observational study or a controlled experiment.

Children with ADHD are randomly divided into two groups. One group is given fish oil supplements, and the other is given a placebo. After six months, their symptoms were assessed to see whether fish oil supplements helped reduce ADHD symptoms better than a placebo.

Reference no: EM131786365

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Do an observational study about the adhd : Children with ADHD are randomly divided into two groups. One group is given fish oil supplements, and the other is given a placebo.

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