Abstract
The present study attempted to observe the effect of marker variables on WAIS communalities. One hundred undergraduate arts students were tested on all the scales of WAIS (main variables) and all the scales of Differential Aptitude Tests, Culture Fair Intelligence Tests, and Advanced Progressive Matrices. Principal axis factors with Varimax solutions were extracted on WAIS scores under four analytic conditions; with no marker, four marker, eight marker, and thirteen marker scores. The comparison of obtained WAIS communalities in no marker condition separately with those in each of the three marker conditions revealed that they all have increased significantly for the latter ones. However, no progressive increment in the WAIS communalities was marked as the marker variables increased. The findings are discussed in the light of existing theoretical formulations.
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