Key points are not available for this paper at this time.
(1940). A Self-Administering Scale for Measuring Intellectual Impairment and Deterioration. The Journal of Psychology: Vol. 9, No. 2, pp. 371-377.
Walter C. Shipley (1940) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: