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Volling, Brenda L. – Psychological Bulletin, 2012
Nearly 80% of children in the United States have at least 1 sibling, indicating that the birth of a baby sibling is a normative ecological transition for most children. Many clinicians and theoreticians believe the transition is stressful, constituting a developmental crisis for most children. Yet, a comprehensive review of the empirical…
Descriptors: Evidence, Siblings, Sleep, Psychopathology