Growing up together: Differences between siblings in the development of compliance separating within-family and

Sheila R van Berkel1, Marleen G Groeneveld1, Lotte D van der Pol1

  • 1Faculty of Social and Behavioural Sciences, Institute of Education and Child Studies, Leiden University.

Developmental Psychology
|December 22, 2022
PubMed

Insights

Sibling compliance differences in preschoolers are influenced by birth order and parenting styles. Second-borns show more compliance, especially when firstborns receive more physical discipline, highlighting the role of differential parenting.

Area of Science:

  • Developmental Psychology
  • Family Studies
  • Child Behavior

Background:

  • Sibling dynamics significantly shape child development, yet the interplay of birth order and parenting in fostering compliance requires deeper investigation.
  • Understanding within-family variations in child compliance is crucial for developmental and educational contexts.

Purpose of the Study:

  • To examine how birth order and differential parenting influence sibling differences in preschool compliance.
  • To disaggregate situational, within-family, and between-family effects on compliance development.

Main Methods:

  • Employed a within-family, age-snapshot design with observational data from 311 Dutch families.
  • Utilized three-level cross-classified multilevel models to analyze data from 3- and 4-year-old siblings and their parents.

Main Results:

  • Observed sibling noncompliance and differential verbal discipline directly impacted child noncompliance.
  • Second-born children exhibited greater compliance than firstborns, particularly when firstborns experienced more physical discipline.

Conclusions:

  • Birth-order effects on compliance are partially mediated by differential parenting practices.
  • Sibling differences in compliance are a complex interplay of direct and indirect sibling influences and parenting variations.

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