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If I've understood correctly, what you're saying is that there's really too much noise is the results which can neither be explained by shared environment, or g
by new299 9y ago
If I've understood correctly, what you're saying is that there's really too much noise is the results which can neither be explained by shared environment, or genetics?
I've browsed the paper, but must of missed it. How big are the error bars? Is it possible to get a sense of how much variation is explained by genetics alone?
- danieltillett 9y agoThere are three components to the variance: genetics, shared environment, and non-shared environment (noise basically). Shared environment is almost immeasurable for most of these traits (under 10%) while most is the variance is due to genetics or non-shared environment. The way non-shared environment is determined is by subtracting genetics and shared environment from the total varience. The worse the test the bigger the component that ends up in the non-shared environment factor. The error bars depend on the trait being measured. Some are relatively small (like g), while others like "agreeableness" (just choosing a random trait) will be quite large as it is hard to measure this accurately and consistently.