Contrary to the false charity folks (read deceptive communist controllists) we OVERCOME  -- or solve problems. So, yes, some student exhibit test anxiety. Better to overcome test anxiety than to spin the yarn that this in a disability that can not be helped and therefore the student should not be expected to learn Math. Good way to induce a problem, and then cement it, and then cause a ruined life and worse off society. No, these problems can be solved -- one way or another. If there is a will. Of course, yes, some of the solution might cause adults to work, or conversely, not get paid quite so much for not working. Still, let's solve the problem.