Benito comments on The noncentral fallacy - the worst argument in the world? - Less Wrong
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Comments (1742)
You misunderstand me. Dspeyer used it above as an example of a non-central fallacy, implying that Ev Psych is not very much like what science is. I meant to disagree. To the extent of my awareness, Ev Psych makes predictions and tests them, and goes on to build up theories, making it a typical example of a science.
I'm not so sure when you say it doesn't specifically use evolutionary theory in the same way Biologists normally do, and thus it's not a science. Even if that were true, that's like saying Meteorology isn't a science because they don't always use meteors in their work. I think that if you want to say something isn't a science, you need to show that it doesn't make falsifiable predictions, doesn't describe the world, and hasn't made any advances in our knowledge. Furthermore, you should really have a good explanation as to why Ev Psych people get scientific funding and have papers published in specific Ev Psych journals. And finally, if you're going to dismiss a field, you should be very knowledgeable about said field (or have other very strong evidence, like the studies showing Psychoanalysis is useless). You can't really make that decision that a field is bad, without that sort of evidence, even if it just seems that way to you.
I don't see where in your link EvPsy first makes a falsifiable prediction and then tests it. The experiment described looks like data mining for correlations to me. The expression "was almost exactly what a Darwinian would predict" is yet another post-factum story.
Well perhaps it's not a good example, although that this single example doesn't work doesn't remove the burden of evidence required to dismiss a field.
And then again, maybe it is a good example.
Are there any good examples?
You seem to have some strong privileging of a hypothesis going on here.
What prior would you assign to the scientific competence of a field purporting to be a science, that has journals and textbooks and experts, that's based on an extension of good theory (evolution)? I'm aware that you have more evidence than this, from (I imagine) online discussions and you've read some of the experts, but I've not had this experience, and I think that I am more likely to misunderstand an area of science than to have understood it better than its proponents.
Just like astrology, then? :-) It's based on "an extension of good theory", too...
Whether something is a science is not decided by how many sciency-looking accoutrements and trappings it has.
How, precisely, is astrology an "extension of a good theory"?
There is a cute answer -- that movements of celestial bodies (e.g. the Sun and the Moon) certainly affect people's lives and fates.
And there is a historical answer -- that for centuries astronomy and astrology were, basically, inseparable.
The cute answer is actually more revealing than you think and might help resolve this conversation.
Astronomy lets you predict the way celestial objects move in the sky. You can trivially extend this to weak!Astrology, which just asserts that the movement of the celestial bodies has some kind of systematic causal impact on the way humans behave. However, you would quite reasonably take issue with strong!Astrology, which makes specific, detailed, wrong claims about the nature and extent of these interactions, as well as the general sloppy standards of the field of strong!Astrology.
Evolution lets you predict the way natural selection affects a population over time. You can trivially extend this to weak!Evpsych, which just asserts that evolution will have some impact in shaping the mental faculties of the population. But you can still disagree with some specific claims of evolutionary psychology, as well as the methodologies used to generate them, and the practices of the field as a whole.
I think that Benito thinks you're saying weak!Evpsych is wrong (that evolution didn't shape our minds at all), when you're actually just critiquing aspects of strong!Evpsych - e.g. that evolutionary psychologists are too quick to generalize from WEIRD college students into the rest of humanity, and so on. At least, my usual kneejerk response to critics of evpsych is "what, you think evolution stops above the neck?"
Does it? I don't think evopsy predicts anything, I think it only constructs plausible stories after the fact.
No, I'm not saying that, it would be pretty silly.
No, and not only that as well. I am not critiquing certain aspects, I'm critiquing the whole field for failing the usual criteria of a science.
Well, certainly not, but having sciency-looking accoutrements and trappings is nevertheless bayesian evidence that something is a science. The question is just how good that evidence is. You're saying, I take it, that your prior probability that a given set of claims will come along with trappings equivalent to evo psych (or whatever) is substantially higher than your prior probability that evo psych is a science. But in any case, the trappings should probably produce a skyward update (even if it's small).
No, not at all. The question isn't how good that evidence is, the question is what other evidence is there. And in this particular case we have, for example, the lack of theories which can be falsified.
I would have no problems with calling evopsy, say, a field of study. But saying it's a science implies rigor and tests against reality which are, um, absent.