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Pfft comments on Folk theories can be useful even when they're entirely wrong - Less Wrong Discussion

16 Post author: taw 23 March 2011 04:04PM

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Comment author: Pfft 23 March 2011 06:58:31PM *  9 points [-]

This was a fascinating article!

The part I found especially poignant was the house-dwellers who incorrectly tried to correct their spouses, e.g. "no it actually wastes energy to turn down the heat at night".

The general phenomenon seems to exactly parallel the article Medieval Ballistics and Experiement here on Less Wrong, where lucidfox asked how anyone could ever have believed in the Aristotelian impulse theory when it predicts trajectories that look nothing like a parabola -- and then RichardKennaway pointed out that in the presence of air resistance, cannonball trajectories match the Aristotelian model quite closely and look nothing like parabolas.

There really seems to be two modes of thinking here: one which notices that the house gets colder when the outside temperature drops, and concludes that you'd better turn up the thermostat, and one which notes that the thermostat controls a set point, and concludes that the house could not possibly have gotten colder.

It's clear which way of thinking is more rational, but I certainly find myself working in the theory-driven mode a lot, and I think this may be a problem particularly with the kind of people who like Less Wrong (since we are comfortable thinking about elaborate intellectual theories). It's definitely related to Noticing Confusion.

Comment author: saturn 24 March 2011 03:59:37AM 5 points [-]

The part I found especially poignant was the house-dwellers who incorrectly tried to correct their spouses, e.g. "no it actually wastes energy to turn down the heat at night".

I wonder how much of that is motivated by people who see their spouse's complaints of being too cold at night as whining or frivolous, but will cooperate if there is a "technical" justification.

Comment author: saturn 23 March 2011 11:51:54PM 4 points [-]

I don't think the blame belongs on using "theory-driven mode." The problem is not thinking like reality—for example, most people who think "the house could not possibly have gotten colder" are probably at least somewhat aware that their house's walls don't comprise a perfect Dewar flask, but if "walls" don't happen to be in the same mental filing bin as "thermostats" they are automatically assumed to be irrelevant.