AI Article Synopsis
- A study was conducted to compare the theory-of-mind abilities of three groups: twins, children with nontwin siblings, and only children, focusing on how sibling type and number may influence these abilities.
- Findings showed that children with nontwin siblings had better theory-of-mind skills than only children and twins without other siblings, while twins with other siblings did better than those without.
- Additionally, twins understood their twin's false beliefs better than those of their friends, suggesting that sibling relationships might enhance theory-of-mind development.
Article Abstract
The theory-of-mind abilities of twins, children with nontwin siblings, and only children were compared to investigate further the link between number and type of siblings and theory-of-mind abilities. Three- to 5-year-old children with nontwin siblings outperformed both only children and twins with no other siblings, twins who also had other siblings outperformed twins who did not, and children with at least 1 opposite-sex sibling outperformed children with only same-sex siblings. Twins performed significantly better when asked about the false beliefs of their twins than they did when asked about the false beliefs of their friends. Results are discussed in terms of potential mechanisms that may account for the twin and sibling effects.
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| http://dx.doi.org/10.1111/j.1467-8624.2005.00832.x | DOI Listing |
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