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A developmental psychologist who investigated how self-regulation relates to early academic achievement. His study with Rachel Peters Razza compared effortful control, executive functions and false-belief understanding as predictors of kindergarten mathematics and literacy skills. The design examines overlapping contributions rather than treating self-regulation as a single observed score.^[ref]

Effortful control concerns deliberate regulation of attention and action, including inhibiting a dominant response and sustaining a less automatic one. It is an aspect of self-regulation, studied through both everyday ratings and performance tasks. These methods sample different settings and demands, so their scores need not be interchangeable.

An original task example gives a child a simple response rule, then asks for a different response when a familiar cue appears. Accuracy can depend on response inhibition, but also on understanding and remembering the rule. A low score therefore does not isolate inhibition without further comparisons. A rating of everyday effortful control instead summarizes behavior across observations and informants.

Clancy Blair and Rachel Peters Razza examined effortful control, executive function and false-belief understanding together in relation to emerging mathematics and literacy performance. Comparing these predictors helps distinguish overlapping constructs; a predictive association alone does not show that training one measured component causes an academic improvement.^[ref]

A developmental psychologist who, with Clancy Blair, examined links between effortful control, executive functions, false-belief understanding and emerging academic skills. Their kindergarten study measured these abilities separately and tested their contributions to mathematics and literacy outcomes, allowing related aspects of self-regulation to be distinguished statistically.^[ref]