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Song, Ju-Hyun; Volling, Brenda L. – Infant and Child Development, 2018
This study investigated relations among children's Theory-of-Mind (ToM) development, early sibling interactions, and parental discipline strategies during the transition to siblinghood. Using a sample of firstborn children and their parents (N = 208), we assessed children's ToM before the birth of a sibling and 12 months after the birth, and…
Descriptors: Sibling Relationship, Theory of Mind, Parenting Styles, Discipline
Leach, Jamie; Howe, Nina; DeHart, Ganie – Infant and Child Development, 2017
The present study investigated children's internal state language during play with their sibling and friend across early and middle childhood. Specifically, the category type of internal state language (e.g., cognitions and goals), referent (e.g., own and other), and associations with children's birth order were examined. A total of 65 (T1: Time…
Descriptors: Play, Sibling Relationship, Peer Relationship, Birth Order
McAlister, Anna R.; Peterson, Candida C. – Child Development, 2013
Longitudinal data were obtained from 157 children aged 3 years 3 months to 5 years 6 months at Time 1. At Time 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 Time 1 ToM scores predict Time 2 EF scores. Detailed examination of sibling…
Descriptors: Longitudinal Studies, Young Children, Theory of Mind, Executive Function
Pracana, Clara, Ed.; Wang, Michael, Ed. – Online Submission, 2018
This book contains a compilation of papers presented at the International Psychological Applications Conference and Trends (InPACT) 2018, organized by the World Institute for Advanced Research and Science (W.I.A.R.S.). Modern psychology offers a large range of scientific fields where it can be applied. The goal of understanding individuals and…
Descriptors: Educational Psychology, Clinical Psychology, Social Psychology, Cognitive Psychology
Gamliel, Ifat; Yirmiya, Nurit; Sigman, Marian – Journal of Autism and Developmental Disorders, 2007
Cognitive and language skills of 39 siblings of children with autism (SIBS-A) and 39 siblings of typically developing children (SIBS-TD) at ages 4, 14, 24, 36, and 54 months were compared. Twelve of the 39 SIBS-A revealed a delay in cognition and/or language (including one child diagnosed with autism) compared to only two SIBS-TD. Developmental…
Descriptors: Language Skills, Siblings, Language Aptitude, Expressive Language

Ruffman, Ted; Perner, Josef; Naito, Mika; Parkin, Lindsay; Clements, Wendy A. – Developmental Psychology, 1998
Four experiments and an analysis of pooled data from English and Japanese children show a linear increase in understanding false beliefs with number of older siblings; no such effect for children younger than 38 months; no helpful effect of younger siblings at any age; no effect of siblings' gender; and no helpful effect of siblings on a source…
Descriptors: Age Differences, Cognitive Development, Foreign Countries, Metacognition

Perner, Josef; And Others – Child Development, 1994
Two experiments investigated the relationship between family size and "theory of mind." Results from an experiment with three- and four-year olds showed that children from larger families were better able than children from smaller families to predict a story character's mistaken (false-belief based) action. (MDM)
Descriptors: Age Differences, Beliefs, Children, Cognitive Development
Sameroff, Arnold J., Ed.; Haith, Marshall M. – 1996
This book reviews the contemporary state of knowledge on developmental transitions between 5 and 7 years. Contributions are: (1) "Interpreting Developmental Transitions" (Arnold Sameroff; Marshall Haith); (2) "The Child's Entry into the 'Age of Reason'" (Sheldon White); (3) "Is There a Neural Basis for Cognitive…
Descriptors: Academic Achievement, Age Differences, Child Development, Child Responsibility