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译文:错觉:妈妈常低估最年幼宝宝的身高

译者:安凌渡  时间:2014-01-08

一份研究报告显示,妈妈们常错觉地认为她们最小的娃要比实际的身高矮小。

不管妈妈们拥有几个小孩,都或多或少经历过这种“错觉”,国际著名学术期刊《当代生物学》报导。

母亲低估最年幼宝宝的身高平均为7.5厘米(3英寸),但却能准确地判断她们其他年长孩子的身高。

该研究报告的作者认为,这是人类的一种适应性机制——为了关注培养和保护到最弱小的幼孩。

永远是孩子:

澳大利亚的研究人员访问了747位母亲,问她们是否记得当她们最小的儿子或女儿在新的弟弟或妹妹诞生之后身高随即发生了改变。

超过三分之二(70%)的人说:是的。

这种感觉的转变主要是因为之前的“小宝贝”——妈妈不太喜欢把她们其他孩子身高拿来跟他(她)作比较。

这不仅是因为年长的孩子看起来要比刚出生的宝宝大很多,研究人员说,

也是因为一直以来父母们都会有一个错觉,以为他们的孩子比实际身高要幼小很多。当新的宝宝出生之后,这种错觉就被打破了,现在父母们看到之前的孩子就会看到他或她的真实高度,他们说。

研究人员让70名母亲通过在墙上画上标记,估计她们每一个孩子的高度。

而妈妈们经常低估了她们唯一的或最年幼孩子(年龄2-6岁)的身高。

虽然她们当中很多善于估计她们年长宝宝和日常物体的高度,如浴缸或厨房台面。

研究团队的领导者乔迪·考夫曼,来自澳大利亚斯文本科技大学,他说:“我们的研究可能解释了为什么‘父母的宝贝’从来未离开过这个标签。对于父母而言,家里的孩子可能永远‘是个孩子’。”

   
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原文:Baby illusion: Youngest born 'perceived as shorter'

发现者:lylillian  来源: 发布时间:2013-12-18 类型:转载
girls legs

Mothers perceive their youngest children as shorter than they actually are, a study suggests.

This "baby illusion" applies regardless of the number of children a mother has, Current Biology reports.

Mothers underestimated the height of their youngest child by an average of 7.5cm (3in), yet accurately judged the height of any older children they had.

The study authors believe this is an adaptive mechanism - to nurture and protect most vulnerable offspring.

Always the baby

The Australian researchers surveyed 747 mothers, asking them if they remembered experiencing a sudden shift in their youngest son or daughter's size immediately after the birth of a new baby.

More than two-thirds (70%) said they did.

This perceptual shift primarily relates to the former "baby" of the family - mothers were less likely to report any height difference in other siblings.

This is not just because the older child looks so big compared with a baby, the researchers say.

It actually happens because all along the parents were under an illusion their child was smaller than he or she really was. When the new baby is born, the spell is broken and parents now see their older child as he or she really is, they say.

The researchers asked 70 mothers to estimate - by putting a mark on a wall - the height of each of their children.

The mothers consistently underestimated the height of their only or youngest children (aged two to six).

Yet many were good at estimating the height of their older children and everyday objects, such as the bathroom sink or kitchen counter.

Lead researcher Jordy Kaufman, of Swinburne University of Technology, said: "Our research potentially explains why the 'baby of the family' never outgrows that label. To the parents, the baby of the family may always be 'the baby'."


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