Educational practices

Provide an explanation of the “gold standard” for evidence-based interventions that would be understood by a person who has no background in research design.(one paragraph for this question)

2. What is the difference between “strong evidence” and “possible evidence?”

3. What are potential limitations of using comparison groups to determine the effectiveness of an intervention? Be specific.

4. Provide an example that explains the following principle, “The study should provide data showing that there were no systematic differences between the intervention and control groups before the intervention.”

5. The authors wrote, “A rough rule of thumb is that a sample size of at least 300 students (150 in the intervention group and 150 in the control group) is needed to obtain a finding of statistical significance for an intervention that is modestly effective.” What are your thoughts about this statement?

6. Share your perceptions of the “Checklist to use in evaluating whether an intervention is backed by rigorous evidence.