Consistency of sustained attention across modalities: comparing visual and auditory versions of the SART.
We develop and assess an auditory version of an increasingly widely used measure of sustained attention, the Sustained Attention to Response Task (SART). In two separate studies, the auditory SART generated slower response times and fewer errors than the visual SART. Proportion of errors, response times, and response time variability were, however, significantly and strongly correlated across the two modalities. The cross-modality correlations were generally equivalent to split-half correlations within modalities, indicating a strong agreement of the assessment of individual differences in sustained attention in the visual and auditory modalities. The foregoing results plus the finding that errors on the auditory SART were reduced suggests that the auditory SART may be a preferred alternative for use with populations with deficits in sustained attention.
Seli, P; Cheyne, JA; Barton, KR; Smilek, D
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