74% of mothers have a favourite child CREDIT: REX

Rsearchers have found that 74% of mothers and 70% of fathers admit to having a favourite child – and children say there is a bias towards the eldest one.

Sociologists from the University of California performed a study which found the first-born appears to get preferential treatment, and that most parents have a favourite child.

While the parents did not reveal which child was their favourite, the study found that youngest and middle children thought there was a clear bias towards the eldest child.
This knocked their self-esteem.

The researchers found actions as simple as being the first to complete a child made the eldest feel confident and assertive.

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http://www.telegraph.co.uk/news/2016/04/12/the-eldest-child-is-the-favourite-according-to-researchers/