Many studies have reported differences in personality or achievement between first-born and later born children. However, most of those studies can be faulted for confusing birth order effects with the effects of

Question

Quizplus · Accepted Answer

Many of the reported differences between first-born and later-born children may actually be due to differences in family size, rather than birth order specifically. Larger families may have less parental attention, resources, and support to go around, which could affect the personality or achievement of all children in the family, regardless of birth order.

Many Studies Have Reported Differences in Personality or Achievement Between