Alex K Chen Posted July 12, 2023 Report Share Posted July 12, 2023 (edited) Esp b/c variance increases more with age (mid-age is when differences in facial aging become most apparent) Also, sample sizes are not equal between different age groups (younger ages are often captured the least) It may decrease less in late-life because so much of the population by then is dead, so the sample then is not representative. Edited July 13, 2023 by InquilineKea Quote Link to comment Share on other sites More sharing options...
mccoy Posted July 13, 2023 Report Share Posted July 13, 2023 You should probably forward the question to Morgan Levine! And perhaps be more specific, i.e. the variables of interest, the pattern of heterogeneity in variance for each, and so on Quote Link to comment Share on other sites More sharing options...
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