> “ correlation vs. causation" Such a study would not have any importance to me. One family that is stricken with physically abusive or alcoholic parents combi

> “ correlation vs. causation" Such a study would not have any importance to me. One family that is stricken with physically abusive or alcoholic parents combined with another family that does not have those issues. How can you say the kids in the first family are better off without divorce compared to then second family?