Education, Math, and More with Mr. Allison

In his 2022 book, The Voltage Effect: How to Make Good Ideas Great and Great Ideas Scale , economist John List, the Kenneth C. Griffin Distinguished Service Professor of Economics at the University of Chicago , defines the Sunk Cost Fallacy as the idea that one must continue to pursue an idea based on money previously invested. The basic idea is that the money previously spent is already gone and no longer recoverable. As humans we have a tendency to feel like that money is wasted if we decide to abandon the effort we spent that money on, even after the project appears doomed for failure. Too often, people continue to pour good money into a failing effort, because they don't want to waste the bad money they've already dumped into it. Teachers are prone to this same fallacy. The year was 2019. I sat for the ACT for the first time since I was a junior in high school, way back in 1984. Thirty five years had passed since the one and only time I'd ever actually SEEN the test. Ov...

 I saw a Facebook post this week where a parent stated, "Grades are not a measure of knowledge, but a measure of compliance." Unfortunately, I think there is a lot of truth to that in our culture today. My goal with grades is the opposite, though. Grades should be representative of what a kid knows. Years ago, the math department where I work established test scores as 75% of a student's grade. I cannot speak for other teachers, but this has worked well to help kids LEARN the material, instead of counting on lots of completion-graded homework and classwork points to keep their grades high, even when their knowledge is lacking.  Take a class with 1000 points possible in a grading period, where students take three 100-point tests. If a teacher grades everything but tests for completion, a student could turn in every paper with every answer wrong and "earn" 70% of all the possible points. In most schools today, 70/100 is a C. Even if this student scored a zero on e...