Black Americans Reduce the Racial IQ Gap: Evidence from Standardization Samples Forthcoming: Psychological Science, October 2006
By William T. Dickens1 & James R. Flynn2
The inclusion of blacks in recent standardization samples offers better data. We have results from standardizations of four tests: 1972, 1989, and 2002 for the WISC (Wechsler Intelligence Scale for Children), called the WISC-R, WISC-III, and WISC-IV respectively (Harcourt, 2005a); 1978 and 1995 for the WAIS (Wechsler Adult Intelligence Scale), called the WAIS-R and WAIS-III (Harcourt, 2005a); 1980 and 1997 for the Armed Forces Qualification Test, called the AFQT (Department of Defense, 2005);
https://www.brookings.edu/wp-content/uploads/2016/06/20060619_iq.pdf
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Blacks still have a long way to go:
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SAT and ACT Scores by Race/Ethnicity: 2003
In recent years the noted pattern of test scores has reflected similar numbers--
Editor, 2005
SAT Ethnic Group Scores (Math/Verbal+total)
• American Indian---482/480 (962)
• Asian American-----575/508 (1083)
• African American-----426/431 (857)
• Puerto Rican----457/448 (905)
Other Hispanic----464/457 (921)
• White-----534/529 (1063)
• Other ----513/501 (1014)
Source:
College Board - SAT, AP, College Search and Admission Tools
Average ACT Composite Score by Race/Ethnicity, 2003
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• African American ----16.9
• American Indian---18.7
• Caucasian---- 21.7
• Mexican American----18.3
• Asian American---- 21.8
• Hispanic----19.0
• Other ----19.3
• Multiracial-----20.9
• Prefer Not to Respond -----21.8
• No Response-----20.1
Source:
The ACT - Solutions for College and Career Readiness | ACT
SAT and ACT Scores by Race/Ethnicity
I do not believe a race gap that took thousands of years to evolve can be closed in a few generations.