Why Do Siblings Have Such Different Personalities?...
Why do siblings - despite having much of the same... ...el explores:Then in the 1980s, a researcher named Robert Plomin published a surprising paper in which he reviewed... ...stics, intelligence and personality. According to Plomin , in two of these areas, siblings were really quit... ...ognitive abilities.&...
https://www.neatorama.com/2010/12/16/why-do-siblings-have-such-different-personalities/
