When parents say they don't have a favourite child- they could be lying.
New research from Brigham Young University shows parents prefer their daughters to their sons.
The findings come from an in-depth analysis of 30 studies on parental favouritism.
Both mams and dads slightly prefer their daughters to their sons, with the research suggesting girls might be easier to parent.
Children who were conscientious or agreeable were also more likely to be their parents' favourites.
Additional reporting by Shane Beatty
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