CONCLUSIONSWithin the limitations of the design of the problem and the samples of subjects 1. 2. 3. 4.studied, the following conclusions were found : Verbal I& is indicative of ability to learn in verbal situations. Performance I& is indicative of ability to learn in nonverbal situations.Equality of verbal and performance IQ's is indicative of no difference in verbal and nonverbal abilities. Subtest variation is inversely related to learning proficiency. REFERENCES BIJOU, S. W. The psychometric approach as an aid to clinical analysis-a review. Amer. J . M a t . Def., 1942, 46, 354-362. RABIN. A. I. The use of Wechsler-Bellevue scales with normal and abnormal Dersons. Psuchol. Bull.. i945. 42. 410-427.

The past S years of research with the adult Wechsler scales is critically reviewed. Most investigators used the most recently developed scale, the Wechsler Adult Intelligence Scale. Topical coverage includes: comparative validity; short forms; special populations and applications; refinements and critiques; personality correlates; investigations of diagnostic value; special diagnostic groups; and scatter, patterns, and diagnosis. The 197 articles reviewed show that there is no diminution in the number of researches in the area. While the quality of the research has improved, too many investigators repeat the errors contained in earlier studies, despite the periodic publication of these critical reviews.

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2. FITZHUOH, K. B., FITZHUGH, L. C. and REITAN, R. M. WB comparisons in groups with "chronicJJ and "current" lateralized and diffuse brain lesions. A., WILLCUTT, H. and SMITH, A. Wechsler profiles of mathematically gifted adolescents. Psychol. Rep., 1963, 18, 259-262. 5. KL.+vE, H. and FITZHUOH, K. B. The relationship of differential EEG patterns to the distribution of WB scores in a chronic epileptic population. J . elin. Psychol., 1962, 18, 334-337. 6. KWVE, H. and WHITE, P. T. The relationship of degree of EEG abnormality to the distribution of WBI scores. Neurol., 1963, 13, 423-430. 7. LEVINSON, B. M. Traditional Jewish cultural values and performance on the Wechsler Tests. 8. MANNP), J. H., KARDEL, A. and ROSENTHAL, D. Differences between PI& and VIQ in a severely 9.