Anger, Silke; Schnitzlein, Daniel D. - 2015 - This version: July 2015
This paper estimates sibling correlations in cognitive and non-cognitive skills to evaluate the importance of family …. Sibling correlations in non-cognitive skills range from 0.223 to 0.464; therefore, at least one-fifth of the variance in these … skills results from sibling-related factors. Sibling correlations in cognitive skills are higher than 0.50; therefore, more …