cognitive psychology. PhD 
when language designers repurpose a symmetric operator like `=` to notate an asymmetric operation like assignment, it confuses students. use `:=` for assignment, for the kids.https://twitter.com/CSTeachingTips/status/1269434045420777474 …
Reminds me of 'The Mystery of “b := (b = false)”'. Getting this one question right predicted a 24% higher exam score. https://dl.acm.org/doi/pdf/10.1145/1352322.1352147 …pic.twitter.com/WwBJPye3u7
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ha interesting. I had a "let y = ref (x := !x + 1)" on my PL exam. wonder how that correlated with overall performance.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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