1. BIRD, C., MONACHESI, E. D., and BURDICK, H. Studies of Group Tensions. I. Attitudes of white and Negro parents and children. (To be published.)
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2. BIRD, C., MONACHESI, E. D., and BURDICK, H.Studies of Group Tensions. III. The effect of parental discouragement of play activities upon the attitudes of white children toward Negroes. (To be published.)
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3. BIRD, C., and MONACHESI, E. D.Studies of Group Tensions. IV. Prejudice and discontent. (To be published.)
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4. CLARK, K. E., and KRIEDT, P. H."An application of Guttman's new scaling techniques to an attitude questionnaire."Educ. Psychol. Meas., 1948, 8, 215-223.
