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Siblings, Theory of Mind, and Executive Functioning in Children Aged 3–6 Years: New Longitudinal Evidence
Author(s) -
McAlister Anna R.,
Peterson Candida C.
Publication year - 2012
Publication title -
child development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.103
H-Index - 257
eISSN - 1467-8624
pISSN - 0009-3920
DOI - 10.1111/cdev.12043
Subject(s) - psychology , sibling , theory of mind , developmental psychology , longitudinal study , child development , cognition , psychiatry , medicine , pathology
Longitudinal data were obtained from 157 children aged 3 years 3 months to 5 years 6 months at T ime 1. At T ime 2 these children had aged an average of 12 months. Theory of mind ( ToM ) and executive functioning ( EF ) were measured at both time points. Results suggest that T ime 1 ToM scores predict Time 2 EF scores. Detailed examination of sibling influences suggests that benefits—in terms of advanced ToM development—accrue to children with siblings versus without, and to those with a larger number of child‐aged siblings. Any advance in either area ( ToM or EF ) is likely to benefit the other, and early sibling interaction appears to act as a catalyst.