(PhysOrg.com) -- A new scientific study has found that at least some of the stereotypes associated with older siblings are true: the oldest sibling is often less trusting, less cooperative, and less reciprocating ...
Dec 09, 2009
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An Adelphi University student's research that found firstborns score higher on intelligence while younger siblings often get better grades drew some attention at a national psychologists' convention in San Diego this week. ...
Aug 14, 2010
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Children who are firstborn or breech or whose mothers are 35 or older when giving birth are at significantly greater risk for developing an autism spectrum disorder, University of Utah School of Medicine researchers have ...
Apr 27, 2009
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