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Young and older adults'
strategies in complex arithmetic
PATRICK LEMAIRE
Centre National
de la Recherche Scientifique, Université de Provence, and Institut
Universitaire de France
LAURENCE ARNAUD
Centre National de la Recherche Scientifique and Université de
Provence
Young and older adults solved complex addition problems such as 49 + 56. Verbal
protocols, solution times, and percentage errors documented strategy repertoire
and strategy selection in young and older participants and age-related differences
in complex arithmetic performance. Both young and older adults used a set of 9
strategies to solve complex addition problems, although many older adults used
a smaller strategy repertoire. The data also showed age-related differences in
strategy execution and strategy selection. We discuss general implications of the
present data to further our understanding of complex arithmetic and the role of
strategic variations during aging.
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