Name: Sibling Dynamics: How Brothers and Sisters Affect Each Other
Uploaded: 2022-03-31T02:45:34.000Z
Duration: 7 min 15 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

Most people have a sibling - in fact, children in the U.S. today are more likely to grow

up with a brother or sister than with a father.

Now, while a lot of social scientists research the impact of schools and parenting, little

attention is given to a relationship that might be even more consequential.

So what do we know about siblings, birth order and why children from one family grow up to

Let's start with our analysis of the tragic story of the two most famous brothers in Western

Once upon a time there was a boy named Cain who received all the love and attention from

Growing up, the boy knew only one world and he himself was at its center.

Everyone around him cared only for him and nothing else.

All that changed when his mother gave birth to Abel.

Cain should have understood that his parents' attention now had to be divided between him

This was a revelation he wasn't able to accept and he became increasingly jealous and sometimes

Cain, as the first born, naturally looked up to his father as his role model.

Following convention, the father himself raised the boy with certain expectations.

It was therefore especially painful for Cain to see that his father now cared so much for

Abel, naturally, looked up to his brother for guidance.

Things were not easy for him either, but unlike Cain, Abel knew no different.

As the boys grew up, Cain gained a strong sense of responsibility and, following tradition,

Abel, who was free from any obligation, chose to become a shepherd.

Cain envied his younger brother's autonomy, because life as a farmer became increasingly

And on the day the brothers were to make a gift to their father, Cain only brought a

Abel, who did well for himself, brought an entire lamb.

When the father thanked Abel for his generosity, Cain felt a deep shame.

Overnight his shame turned to hatred of monstrous proportions and the next day he killed his

The first big contribution to the field of sibling research came from the Austrian psychiatrist

Alfred Adler, and his theory of individual psychology.

Adler believed that the main motive of human behavior is our desire for power, partly in

compensation for our feeling of inferiority.

Hence, sibling dynamics play a central role in family life and personality development

Adler argued that children who grow up in the same family experience the family differently.

In particular, sibling rivalry over family resources influences the development of personality.

As a means of reducing competition, siblings differentiate, develop different qualities

When siblings don't find their niches, their relationship can suffer.

The Kellogg brothers hated each other, and fought in court over who invented Corn Flakes.

The Dasslers competed in business; after one started Adidas, the other founded Puma.

But many siblings love each other more than anything.

So what do we know about siblings in general?

Here 6 things science suggests to be true:

First born and single children look up to their father or mother as role models.

The gap in mental and physical development between them and their parents may be the

reason that they have, on average, a higher IQ.

Parents tend to give their first born more attention and often set higher expectations.

If they can't live up to those expectations, they may feel inferior, but on average, they

Younger siblings model their development after their big brothers or sisters.

They have a smaller developmental gap to overcome.

They may also feel that they have less to prove, but as a result of a lack of parental

attention they develop social anxiety more often.

On average, Relationships between brothers are more conflicted.

Relationships between sisters are more intimate.

Siblings spend more time together than they spend with their parents — younger siblings

Children with siblings are physically more active and less often obese.

Some studies suggest that they develop social skills faster than children from only-child

families, but the research isn't conclusive.

Sibling attachment seems to be a strong predictor of well-being — sometimes more important

This also means that if one is bullying the other, it can affect them for life.

One Swedish study of people aged 80 years found that while closeness to friends did

little for total life satisfaction, feeling close with a sibling did a lot.

For those of you struggling with a difficult sibling, Adler had the following advice: “A

simple rule in dealing with those who are hard to get along with is to remember that

this person is striving to assert his superiority; and you must deal with him from that point

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