Abstract

In contrast to traditional word spans with verbal recall, recently developed automated tasks employ a visuospatial response format (RF). This RF involves additional cognitive processes such as recoding and visual search, which develop across childhood. The aim of the present study was to extend previous findings on age-dependent RF effects, examining the role of recoding and visual search as underlying mechanisms. Groups of primary school children, secondary school children, and adults performed analogous word spans with visuospatial and verbal RF. Additionally, two tasks assessing recoding and visual search skills were conducted. Results show that primary school children performed poorer under visuospatial than verbal RF, whereas secondary school children and adults showed no performance differences. The analyses further suggest that search skills contribute to age-differential RF effects. Recoding seems less decisive, but its role could not be conclusively clarified. Developmental mechanisms and the necessity to disentangle the role of recoding from search are discussed.

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