result is somewhat different when the environment is corrected for measurement unreliability. For example, the average effect size indicates that 31% of variation in personality associated with true environmental effects rather than 52%. The model that best reflects trends in corrected environmentality has different slopes before and after age 30. Prior to age 30, true environmentality increases (b0–30 = .006, p < .01) from accounting for roughly 20% of the variance in early childhood and remains constant after age 30 (b30–90 = −.001, p = .63).
