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The American grading system has a severe lack of dynamic headroom. The measurement system saturates at 100% for even mediocre effort and there is no way to meas
by noonespecial 15y ago
The American grading system has a severe lack of dynamic headroom. The measurement system saturates at 100% for even mediocre effort and there is no way to measure achievement beyond that.
I once argued in a paper at university that we needed a logarithmic grading system like decibels. I got a C.
- duncanj 15y agoBrilliant. I hadn't considered the similarity of US grading and grade inflation to the loudness wars.
- AretNCarlsen 15y agoLogarithmic in both directions (from average), or do we throw away information for either the brightest or the slowest students? Do we not have enough storage bits available for a linear representation?