INTERPRETATION OF VIQ-PIQ AND INTERSUBTEST DIFFERENCES ON THE SPANISHVERSION OF THE WAIS (EIWA)

Although the Spanish version of the Wechsler Adult Intelligence Scale (WAIS; Escala de Inteligencia Wechsler para Adultos [EIWA]) is the mos t frequently used intellectual assessment for Spanish speaking clients in the United States, there is little information available on score differences necessary to establish reliable and abnormal differences b etween Performance IQ (PIQ) and Verbal IQ (VIQ), and between the vario us subtests of the EIWA. The present study, based on EIWA standardizat ion data (N = 616 Puerto Ricans), reports reliability data and base ra tes to assist in evaluating the clinical significance of PIQ-VIQ diffe rences. The results demonstrated substantial similarity between the EI WA and the English versions of the Wechsler tests. The interpretation of these differences is discussed, and tables are presented of statist ically and clinically significant differences.