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Working memory: a better predictor of academic success than IQ?

Work­ing mem­ory is the abil­ity to hold infor­ma­tion in your head and

via Flickr (Plasticinaa)

Pic: Flickr (Plasticinaa)

manip­u­late it men­tally. You use this men­tal work­space when adding up two num­bers spo­ken to you by some­one else with­out being able to use pen and paper or a cal­cu­la­tor. Chil­dren at school need this mem­ory on a daily basis for a vari­ety of tasks such as fol­low­ing teach­ers’ instruc­tions or remem­ber­ing sen­tences they have been asked to write down.

The main goal of our recent paper pub­lished in the Jour­nal of Exper­i­men­tal Child Psy­chol­ogy was to inves­ti­gate the pre­dic­tive power of work­ing mem­ory and IQ in learn­ing in typ­i­cally devel­op­ing chil­dren over a six-year period. This issue is impor­tant because dis­tin­guish­ing between the cog­ni­tive skills under­pin­ning suc­cess in learn­ing is cru­cial for early screen­ing and intervention.

In this study, typ­i­cally devel­op­ing stu­dents were tested for their IQ and work­ing mem­ory at 5 years old and again when they were 11 years old. They were also tested on their aca­d­e­mic attain­ments in read­ing, spelling and maths.

Find­ings and Edu­ca­tional Implications

The find­ings revealed that a child’s suc­cess in all aspects of learn­ing is down to how good their work­ing mem­ory is regard­less of IQ score. Crit­i­cally, work­ing mem­ory at the start of for­mal edu­ca­tion is a more pow­er­ful pre­dic­tor of sub­se­quent aca­d­e­mic suc­cess than IQ in the early years.

This unique find­ing is impor­tant as it addresses Read the rest of this entry »

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