I agree with many of the other comments that the self-recogition of blind spots is not easy but it is helpful to know of the existence of such blind spots. I detect the existance of my blind spots in test results by the students. I find the difficulty on measuring blind spots even more baffling when not all students suffer the frustration of dealing with my blind spots. In other words some students perform remarkably well, in spite of my blind spots, and some students do not. Student blind spots, although less meaasurable, are far more alarming to me than… >>>