研究告诉你:长子长女最优秀_BEC初级作文

研究告诉你:长子长女最优秀

研究表明，长子比其弟弟妹妹平均智商更高。2007年一项针对25万挪威年轻人的研究显示，长子的智商比弟弟平均高出2.3分。

Researchers believe the difference is due to environment rather than genetics. Eldest children often “teach” their younger siblings, which can help them to better retain information, according to the authors. Also, as a family grows, parents have less time to spend with each child.

研究者相信，这是出于环境原因而不是遗传原因。根据作者所述，长子长女经常教授他们的弟弟妹妹，这帮助他们更好地记住信息。并且，由于家庭成员增加，父母花在每个孩子身上的时间在变少。

“Every time you add a child, you’re diluting the intellectual environment of everyone in the family,” the researchers wrote in the study’s conclusion.

“每添加一个孩子，就要稀释每个孩子的知识环境，”研究者在总结中写到。

2. They could be more responsible.

2. 他们更有责任感。

Forging the path for their fellow siblings means eldest children learn some serious responsibility early in life. According to Jeffrey Kluger, author of The Sibling Effect: What the Bonds Among Brothers and Sisters Reveal About Us, eldest siblings tend to be the ones that focus the most on family loyalty and traditional achievement. As a result, they’re often seen as more obedient and responsible.