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wcrichton's profile
Will Crichton
Will Crichton
Will Crichton
@wcrichton

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Will Crichton

@wcrichton

Articulating the ineffable. Programming language theory 🤝 cognitive psychology. PhD @Stanford

he/him
willcrichton.net
Joined September 2011

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    1. Will Crichton‏ @wcrichton 4 Oct 2019

      I'm consistently surprised by the lack of depth in programming psychology work. Search Google Scholar for "program readability", see all top-cited work. Consistently, the only methodology: literally ask people whether they think code is readable, and check for agreement.

      2 replies 2 retweets 18 likes
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    2. Will Crichton‏ @wcrichton 4 Oct 2019

      Studies have consistently shown no "significant relationships between perceived readability and... reading time and performance on a simple cloze test." https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7404062 …

      1 reply 0 retweets 0 likes
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    3. Will Crichton‏ @wcrichton 4 Oct 2019

      "Our results demonstrate that none of the (existing and new) metrics we considered is able to capture code understandability, not even the ones assumed to assess quality attributes strongly related with it, such as code readability and complexity." https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8115654 …

      1 reply 1 retweet 0 likes
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    4. Will Crichton‏ @wcrichton 4 Oct 2019

      You would get laughed out of the field presenting this stuff at a psychology conference instead of ICSE. Imagine, "To analyze racism in job hiring, we surveyed a group of managers to ask 'do you think you're racist?'" You have to validate with external measures...

      1 reply 3 retweets 4 likes
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    5. Steve Krouse‏ @stevekrouse 5 Oct 2019
      Replying to @wcrichton

      Love this thread! Question: what's the external measure that Harry Potter is readable? It seems to me like the way to test code comprehensibility is simply to give it to new people and see how quickly they can comprehend it

      1 reply 0 retweets 1 like
      Will Crichton‏ @wcrichton 5 Oct 2019
      Replying to @stevekrouse

      The challenge is measuring comprehension. This ranges from standard assessment (multiple choice) to memory tests (cloze tests, free recall). Your results are as believable as your test design.

      10:02 AM - 5 Oct 2019
      • 1 Like
      • Steve Krouse
      1 reply 0 retweets 1 like
        1. New conversation
        2. Steve Krouse‏ @stevekrouse 5 Oct 2019
          Replying to @wcrichton

          Neither of those tests measure what matters. The test needs to measure how quickly I can make changes

          1 reply 0 retweets 1 like
        3. Will Crichton‏ @wcrichton 5 Oct 2019
          Replying to @stevekrouse

          That seems like an overstatement. I can think of plenty of languages, APIs, libraries I've read to check my understanding and find bugs, not to change their source code. However, I do agree that the ability to make a change is a useful test of comprehension.

          1 reply 0 retweets 0 likes
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