It's a literature review, and no social science question is replicated 100% of the time. But here's the main question and answer: > 5. Question 3A: Do Experime

It's a literature review, and no social science question is replicated 100% of the time. But here's the main question and answer: > 5. Question 3A: Do Experiments Using Random Assignment Show a Causal Effect of Social Media Use on Mental Health? > These experiments provide direct evidence that social media—particularly Instagram—is a cause, not just a correlate, of bad mental health, especially in teen girls and young women. As for the thesis, it is succinctly described in the title: > Social Media is a Major Cause of the Mental Illness Epidemic in Teen Girls.