re: Autism among the Amish people

quote:

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They used the same definition against the Amish and in 2010, you were three times more likely to be autistic if not Amish.

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Yet, fundamentally, they aren't using the same definition.

Say you have a process for identifying structurally unsound bricks in a factory; there are 16 characteristics that trigger a brick to be entered into your quality control process, to determine if its bad or not.

One Quality Control reviewer knows the 16 standards inside and out; a second Quality Control reviewer refers on the basis of the 4 most obvious flaws.

There's not going to be an identical rate of returned bricks, despite the 'shared definition' of what a unsound brick is. One person doesn't miss a thing, the other lets a ton of flawed bricks through the process. Same with Amish-initiated screening.