Abstract
The Additive Factor Method assumes that task performance is the sum of sequential and independent processes. We studied the duration of the central processes (memory search and decision) and the motor decision process in hyperactive and learning-disabled children under socalled divided attention and S-R compatibility conditions. It was found that the learning-disabled were impaired in memory search and decision processes whereas hyperactives were impaired in the motor decision process.
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The authors wish to thank L. Leertouwer for making the drawings.
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van der Meere, J., van Baal, M. & Sergeant, J. The Additive Factor Method: A differential diagnostic tool in hyperactivity and learning disability. J Abnorm Child Psychol 17, 409–422 (1989). https://doi.org/10.1007/BF00915035
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DOI: https://doi.org/10.1007/BF00915035