I think what you are missing is "base rate neglect." Let's say the overall average GPA is 3 (or 3.1 for women): https://blog.prepscholar.com/whats-the-average

I think what you are missing is "base rate neglect." Let's say the overall average GPA is 3 (or 3.1 for women): https://blog.prepscholar.com/whats-the-average-high-school-gpa https://blog.prepscholar.com/whats-the-average-high-school-g... Then you would expect that to swamp the information that this person was an early reader. You might let the early reader have a slight effect.