Abstract
This study investigated the possibility that the widely reported relationship between IQ and Inspection Time (IT) in children (e.g. Nettlebeck & Young, 1990) may derive from the involvement of various aspects of attention in both IT and psychometric ability tasks. Forty-nine participants, aged approximately 8–11 years, were given a battery of tests designed to measure different aspects of attention, the Colored Progressive Matrices (CPM) intelligence test and a visual IT test. Analysis using multiple regression indicated that, although attention predicted CPM score, IT was still a significant predictor of CPM score after age and the attention measures had been partialled out, indicating that IT scores account for a unique proportion of the variance in CPM scores. Age and IT were significantly (negatively) correlated. This correlation became non-significant once the attention measures had been removed. These results are discussed in relation to previous studies. After a consideration of a number of methodological criticisms, suggestions for further research are outlined.
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