Wellness Programs Don't Really Work

The video discusses the strengths and limitations of randomized controlled trials (RCTs) compared to observational studies, using wellness programs as a case study. It highlights the Illinois Workplace Wellness study, which found no causal effects of wellness programs on health outcomes when analyzed as an RCT, contrasting with observational analysis results. The video emphasizes the importance of RCTs in eliminating selection bias and the need for careful consideration of study design in research.

What role do confounding variables play in the analysis of wellness programs?

How did the results of the observational analysis differ from the randomized controlled trial in the Illinois study?

What implications do the findings of the study have for future research on wellness programs?