The determinants of reading comprehension.
ABSTRACT To determine the relative variance of test content, method, and error components, parallel forms of 7 specially constructed vocabulary and reading tests were administered to 108 British and 75 American college students. Although the results did not support Vernon's belief that method factors would have the strongest influence, higher validities were obtained with a reading test employing an unconventional method. "Centroid factor analyses revealed a strong Comprehension factor, orthogonal to the Vocabulary factor, among both groups in the reading tests." Several general observations are also offered. (PsycINFO Database Record (c) 2012 APA, all rights reserved)
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ABSTRACT: Correlation data on nine reading tests originally analyzed by Frederick B. Davis by the principal axes method are reanalyzed by Spearman's uni-dimensional method. It is concluded that a single common factor (reading ability) accounts for the correlations among the tests with residuals remarkably small in view of the fact that the tests were designed to test nine supposedly different skills. Three of the tests showed additional specific variance not attributable to the common factor.Psychometrika 09/1946; 11(3):185-8. · 2.21 Impact Factor