Earlier quoted context omitted.
I'm confused. The authors cite several instances of research done at other institutions as the main evidence that SAT/ACT scores are predictive of overall success. At that point, the a priori assumption is that Dartmouth would behave the same way, which they then go on to show. I agree that they could have fully analyzed graduation rates and full-term GPA, but other studies have already done that. I do believe their…
When I talk about statistics on HN it feels like I'm taking crazy pills. The HN community pretends to be intellectual, but the level of mathematical education here is terrible. > Moreover, you're hyperbolizing yourself. Namely, you criticize the title, which is not the author's title at all. Their letter is titled "Report From Working Group on the Role of Standardized Test Scores in Undergraduate Admissions" The auth…
> They are a statistically significant but practically insignificant predictor of academic success when you define it in the most absurd and irrelevant way (first year GPA).
As I said in my post, the bulk of their argument references other studies at similar institutions
> Summarizing data with some line, without any statistics, and saying "look the line slopes up", does not mean there is a linear relationship. At all. You cannot conclude one from the other.
They run their own linear regression. In no way is the argument "look the lines look linear".