Correlations between Scores for Peabody Picture Vocabulary Test—III and the Wechsler Intelligence Scale for Children—III

The Peabody Picture Vocabulary Test–IIIA and the Wechsler Intelligence Scale for Children—III were given to 35 elementary students ranging in age from 7 to 11.5 years (M = 8.6 yr.). Correlations of .56 to .88 (corrected for restriction of range) were found between the standard scores of the two tests. The highest correlation (.88) was between the WISC–III Verbal IQ and the PPVT–III, while the lowest (.56) was between the WISC–III Processing Speed and the PPVT–III. More research is needed on the magnitudes of correlation between these tests. As previously noted in the literature, scores of receptive language tests and cognitive tests are not interchangeable.