Criticism
Various researchers have criticized the statistical techniques used by Guilford. According to Jensen (1998), Guilford's contention that a g-factor was untenable was influenced by his observation that cognitive tests of U.S. Air Force personnel did not show correlations significantly different from zero. According to one reanalysis, this resulted from artifacts and methodological errors. Applying more robust methodologies, the correlations in Guilford's data sets are positive. In another reanalysis, randomly generated models were found to be as well supported as Guilford's own theory.
Guilford's Structure of Intellect model of human abilities has few supporters today. Carroll (1993) summarized the view of later researchers:
- "Guilford's SOI model must, therefore, be marked down as a somewhat eccentric aberration in the history of intelligence models; that so much attention has been paid to it is disturbing, to the extent that textbooks and other treatments of it have given the impression that the model is valid and widely accepted, when clearly it is not."
Read more about this topic: J. P. Guilford
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