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sevenseventen | 1 year ago

The word "boojum" originates in Lewis Carroll's "The Hunting of the Snark," an amusing epic poem about the importance of negative testing.

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lamename|1 year ago

I'm interested. Scanning wikipedia, I'm missing the link with the importance of negative testing. Could you explain?

sdwr|1 year ago

Positive testing, in this case, is matching a sample to a pre-existing pattern

Negative testing is trying to invalidate the sample

The hunting of the snark is written in a way that reads like "normal English" from a distance. The sentences flow fine, the words look about right if you squint. So it passes a lot of "positive tests", in that it matches our expectations for what language looks like.

You have to "negative test" the story to realize you don't know the definitions for any of the words, and that the plot is uninterpretable.

Same idea as Kahneman's system 1 that comes up with instant answers, or ChatGPT hallucinating facts by association that "look right".

dvgrn|1 year ago

Yes, please -- I'd like to hear more about that! I've got the poem memorized, but mostly what I know about it is that Carroll thought of the last line first --

"For the Snark _was_ a Boojum, you see."

and ended up writing the other umpteen dozen verses just so that that would make sense as a punch line.

sevenseventen|1 year ago

Sorry, that was a joke.

The Snark is described in detail, with but a single additional caution that some Snarks are Boojums, with no description whatsoever of the difference. And, in the end, only a Boojum is found.

The band of snark-hunters are _also_ described in detail, almost always emphasizing the things that they cannot do or the additional risks of having them along, but they're brought along anyway.