The Results of Some Tests on Full and Mixed Blood Indians

Abstract

The problem was to find out how mixed and full blood Indians differ in the results of their performance of nine psychological tests. The subjects were 198 males, 77 being mixed blood and 121 full blood Indians, and 186 females, 78 being mixed and 108 full bloods. The ages ranged from 9 to 26, and the educational attainment fourth to tenth grade. The norms are of necessity only tentative until larger groups are obtained. From the data the comparison of the average performance of each group of mixed and full blood individuals for each test shows that the mixed blood excells the full blood in most of the cases. The scores of the mixed blood is favored by superior social status and educational opportunity. Tables giving average, average deviation, probable error and range are included. From Psych Bulletin 19:11:00868. (PsycINFO Database Record (c) 2016 APA, all rights reserved)