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As a mostly private teacher of mathematics with 7 to 10 years experience for both, children at schools and adults at university, and both, individuals and groups, and both, those who struggle and those who do not, I'd like to share my narrow experience and disagree. Most people I worked with struggled with something entirely different than the actual content they are trying or forced to learn. I am certain the biggest obsticles are stress, fear and and hopelessnes. And often not towards the methematics, but rather something entirely different. E.g. issues in the family, fear of the consequences of bad grades, and no hope regarding their own future, regardless of whether they learn or not. I expierienced some challenges as ADHD and expierienced them as somewhat orthogonal. And definitely additionally challenging for me as a teacher. I also expierienced people who did struggle a lot, independent of anything I mentioned so far. So I am sure, there is differences among people (you may measure that in IQ or whatever, I prefer not to). But for most people I met they are not the problem. |
Like many on HN I went to a top engineering school. there I saw about 2/3 of my colleagues drop out within the first two years. At least half of them worked tirelessly and efficiently to pursue their goal, and still failed. This was a large public school that will admit basically everyone with a pulse into engineering, with the expectation most will fail out as unfit and filter into some of the programs my college was less known for.
I did not have a particularly exceptional upbringing, and went to a middle of the road country school without any special preparations that would advantage myself over these other middle-class white people I saw. I'm not saying this to brag, because no doubt many of these people are far more successful than me in other fields (one I know went on to become a doctor for instance) but there is definitely something at play that different people are 'wired' for different tasks. I could almost sleep through much of the engineering curriculum and remain near the top while I saw many smarter people than me struggle tirelessly with engineering; something else was going on in our minds.