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Behavioural problems in 2-year-olds: links with individual differences in theory of mind, executive function and
1Centre for Family Research, University of Cambridge, UK. ch288@cam.ac.uk
Background:
Cognitive and family factors are implicated in the origins of behavioural problems, but little is known about their independence or interplay.
Methods:
We present data from 127 two-year-olds from predominantly disadvantaged families who completed tests of 'theory of mind' (ToM), executive function (EF) and verbal ability. Researchers' home-visit ratings and detailed video-based coding of mother-child interactions were combined to give an aggregate measure of harsh parenting, while behavioural problems were indexed by a multi-informant, multi-setting, multi-measure aggregate.
Results:
Harsh parenting and deficits in ToM and verbal ability each predicted unique variance in behavioural problems; independent effects of EF were only marginally significant. Harsh parenting and ToM interacted significantly in their effects on behavioural problems.
Conclusions:
Child and family influences on behavioural problems should be considered in tandem, as they show significant interplay; in particular, advanced ToM skills appear to buffer young children against effects of harsh parenting.
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