The Twin Studies Got it So Wrong

Sometimes, when you learn a new thing, a new principle, a new scientific principle, some of your existing “knowledge” needs auditing, updating.

A classic case in point pretty recently, is the Rat Park story, where the classic study showed rats to be subject to addiction and opiates to be addictive to some huge percentage of them – but that on a more recent re-visit to the study, the basic environment was considered, the bare, concrete and steel sterile environment the original test was run in proved to be a large part of the puzzle, that when the rats had the semblance of a better life, the drug’s addictive power was lessened.

I’m a classic crackpot, a one trick pony. I have a single new principle I spend all my time on, Murphy’s Law of Nature – the idea that Nurture is real, it’s just not positive. The idea that abuse is a form of Nurture that has always and forever produced actual results. The idea it audits today is the twin studies, and the apparent victory of Nature over Nurture that they have been touted as.

Spectacular phenotypic results, right?

Separated twins, raised thousands of miles apart having very specific common behaviours, magic! Beware of magical results in science. Multiple Personality Disorder you would only believe if you believed in magic, in the transmigration of souls – what were all the “personalities” supposed to be? What I want to say about the reported results of the twin studies is this: it is absolutely first year biology that phenotype is genes AND environment, simple arithmetic, that the folks writing these studies up swept under the rug – yes, two and two equal four, and here’s your four – but one of the twos was really a one, or a three!

You can tell me the different household was a different environment, but four minus two equals two. You had another two there, your “different environments” weren’t, not in a way that actually affects what you are testing for later, period. Science troll boys – save your breath, I won’t be turned from this. You got it completely backwards, in the most basic sense.

But you have proved something we need to know, exactly that, that human child-rearing is the same, the world over! All the differences we argue about don’t add up to anything! If there’s anything good about it, we all do it – but, Murphy’s Law of Nature, there really isn’t, it’s the bad stuff that matters – and if there’s something bad about it, we all do it. This is what I’m always trying to say.

 

Jeff

Sept. 15th., 2019

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