The researchers emphasize that these differences are a result of the unique environment for twins—such as sharing parental ...

When we think about the relationships that shape us, we often default to discussing our parents. Decades of psychological research have explored the influence of parenting styles, attachment dynamics, ...

Brother and sister relationships have tremendous influence over children’s adjustment and development — about as much as parenting does.

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Sibling relationships influence our development as growing ...

Sibling rivalry is the topic of discussion on Monday. Why do siblings fight, how do we handle it as parents and guardians, and how can we turn a perceived negative into a positive? Child Development ...

While sibling rivalry often captures more attention, it is the moments of sibling revelry that truly fortify familial bonds and contribute to psychological well-being. Sibling relationships are among ...

Marissa Nivison receives funding from the Social Sciences and Humanities Research Council of Canada. Sheri Madigan receives funding from the Social Sciences and Humanities Research Council, the ...

Twins often do not pick up new skills as fast as their single-born siblings in their early years, according to a study by the ...