Benito comments on The noncentral fallacy - the worst argument in the world? - Less Wrong

157 Post author: Yvain 27 August 2012 03:36AM

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Comment author: Benito 17 July 2014 03:39:17PM 1 point [-]

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.

Comment author: Lumifer 17 July 2014 04:31:04PM 0 points [-]

a field purporting to be a science, that has journals and textbooks and experts

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.

Comment author: bramflakes 17 July 2014 04:39:55PM 0 points [-]

How, precisely, is astrology an "extension of a good theory"?

Comment author: Lumifer 17 July 2014 04:51:31PM 0 points [-]

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.

Comment author: bramflakes 17 July 2014 05:11:20PM *  1 point [-]

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?"

Comment author: Lumifer 17 July 2014 05:28:20PM 0 points [-]

Evolution lets you predict the way natural selection affects a population over time.

Does it? I don't think evopsy predicts anything, I think it only constructs plausible stories after the fact.

you're saying weak!Evpsych is wrong (that evolution didn't shape our minds at all)

No, I'm not saying that, it would be pretty silly.

when you're actually just critiquing aspects of strong!Evpsych

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.

Comment author: private_messaging 18 July 2014 12:19:51PM *  1 point [-]

It doesn't even construct plausible stories about evolution. In the time in which rather simple morphological changes to the bone shapes make some very minor progress, we supposedly evolve whole new instincts, whose morphological complexity (in terms of wiring adjustments in the brain), if innate, would be comparable to entire new organs, if not higher.

Where evolutionary biology predicts that X won't evolve (and thus doesn't exist as an innate quality), evolutionary psychology claims X evolved from scratch and exists.

Comment author: Azathoth123 19 July 2014 03:17:15AM 2 points [-]

we supposedly evolve whole new instincts, whose morphological complexity (in terms of wiring adjustments in the brain), if innate, would be comparable to entire new organs, if not higher.

[citation please]

Comment author: private_messaging 19 July 2014 04:49:31AM 1 point [-]

Read http://en.wikipedia.org/wiki/Criticism_of_evolutionary_psychology , or go explain massive modularity to almost any neurobiologist and see what they say about it.

Comment author: Azathoth123 19 July 2014 06:48:57AM *  2 points [-]

I meant can you site a specific example of an evolutionary psychologist proposing an evolved instinct "whose morphological complexity (in terms of wiring adjustments in the brain), if innate, would be comparable to entire new organs, if not higher". The wikipedia article doesn't seem to include any.

Looking at the criticism at best some are valid criticisms of a few stupid evolutionary explanations that some people cite, e.g., the claim that homosexuality is adaptive. Most are, however, either simply incoherent like the "Disjunction and grain problems" section, based on false premises like the "ethnocentrism" section, or straw men like the section on "rape".

Comment author: [deleted] 17 July 2014 05:02:50PM 0 points [-]

Whether something is a science is not decided by how many sciency-looking accoutrements and trappings it has.

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).

Comment author: Lumifer 17 July 2014 05:20:02PM 1 point [-]

having sciency-looking accoutrements and trappings is nevertheless bayesian evidence that something is a science. The question is just how good that evidence is.

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.