PsychologyfromPsychology Today4 hours agoAre Aggressive Sisters an American Cultural Phenomenon?Sibling aggression patterns differ from general sex differences: sisters can be as aggressive as brothers, prompting cross-cultural comparisons to separate cultural and evolutionary causes.
ParentingfromPsychology Today1 month agoHow to Discipline a Child When Traditional Methods FailChildren hit siblings mainly to request play or parental attention; addressing unmet needs rather than punishing reduces behavior.