I suppose. But that's not the point I think. You are coming at this from a scientific point of view, which I frankly think is the wrong perspective. My preferr

I suppose. But that's not the point I think. You are coming at this from a scientific point of view, which I frankly think is the wrong perspective. My preferred perspective is an educational one. Students were administered a test, and they failed it. It's a statement about a specific group of students in a specific time and place. They had (so far) received a lacking education. Educators and curriculum should respond to address the shortcoming.