The contribution of working memory resources in the verification of simplemental arithmetic sums

The present study replicated the investigations of Lemaire, Abdi, and Fayol with some modifications: the random time interval generation (RIG) task wa s used and the stimuli were created in another way. The results provide add itional evidence for the crucial role of the central executive in the speed of solving both true and false sums and for the role of the phonological l oop in solving false sums. However: the findings concerning the role of thi s slave system in solving true sums were different. Possible explanations a nd limitations of these results are discussed.