Arthur Hu's 'IQ Spectrum"


 

Arthur Hu's "IQ Spectrum"

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"What IS open to question is whether the tests measure innate, unchangeable abilities. As this chart shows, there are groups with average or better performance out there. However almost every conventional race based intervention in education does not result in equal performance. Only programs based on rigorous academics such as Barclay, and not race such as; conventional desegregation, busing students to expensive surburbs or affirmative action in hiring and multiculturalism in curriculum have been shown to result in superior performance." Arthur Hu

Arthur's "IQ Spectrum" has been enhanced with data from the SAT and NAEP, by state, sex, and race to demonstrate the relationship between IQs and standardized test scores.  This enables cross-state comparisons to be made

Ethnic Group IQ Source 1990 SAT Verbal 1990 SAT Math NAEP Math
Borderline Retarded 70-75 IQ - Seligman p.151 ? 267
Black Delinquents 74 Shuey p. 498 ? ?
Africans (Africa) 75 Lynn as cited by Murray p. 288 ? 302
Southern Black children 80.5 Shuey ? ?
White Delinquents 81 Shuey p. 498 ? 347
Black Felons 81 Shuey p. 498 ? 347
Black Females 82 Interpolated from SAT estimate 346 377
Black Average 85 IQ Seligman p.149 351 385
Colored From Africa 85 Lynn as cited by Murray p. 288 ? ?
Dull-Normal 80-90 IQ Textbook by Wechsler ? ?
Border Black Children 87 Shuey, and SAT Tables, 1991 356 393
Northern Black Children 87.6 Shuey, and SAT Tables, 1991 356 393
Black G12 NAEP Math 89 (7) ? ?
Black US Northern Average 90 IQ Jensen(4) ? 415
Koko the Gorilla 85-95 IQ Seattle Pacific magazine(1) ? ?
Urban North Black 91.1 Shuey ? ?
Hisp G12 NAEP Math 92 (7) 379 430
White Felons 92 Shey p. 498 ? ?
White Chronic Welfare 92 Murray ? ?
Overall Criminals 92 Murray ? ?
Black Calif Math CLAS 92 A.Hu estimate (6) ? ?
South Carolina Public Schools NAEP 395 437 261
Malays 96 Lynn 1977 (Seligman) ? 460
White American Girls 96 SAT Tables, 1991 436 464
Black Reading CLAS 96 A.Hu estimate (6) ? ?
White Unwed - No Welfare 98 Murray ? ?
California Public Schools NAEP 482 263
Mixed Child of Black 100 Murray p. 310 (5) ? ?
Black Children Boston, NYC 100 See note ? ?
Adopted Asian Children 100 Sandra Scarr ? ?
American Students 100 Cattell's culture Fair Test ? ?
British 100 Lynn 1977 (Seligman) ? ?
Average Intelligence 90-109 IQ Textbook by Wechsler ? ?
Mainland China 101 Lynn (Seligman) ? ?
White CLAS Reading & Math 100 A.Hu set by definition (6) 447 489
Flynn's Asian Studies 100 ?? ? ?
Asian Calif CLAS Math 102 A.Hu (7) ? 504
White G12 NAEP math 102 (7), and SAT Tables, 1991 446 514
British Children 102 IQ Lynn & Song 1994 ? ?
Malnourished Korean Adult 102 Winick, Meyer and Harris 1975 (2) ? ?
Asian Average 103-4 Murray 405 521
South Carolina Non-public Schools NAEP 525 283
Korean (est) 105 IQ Lynn & Song 1994 ? 528
Moderately-nourished Adult Korean 106 (2)Winick, Meyer and Harris 1975 ? 536
Chinese Hong Kong 106 IQ Chan & Lynn 1989 ? ?
Chinese Hong Kong 106.7 Lynn 1982 (Seligman) ? ?
Japanese 9 Year Olds 107 IQ Shigehisa & Lynn 1991 ? ?
White American Boys 542
Korean 108.5 IQ Lynn & song 1994 ? ?
Asian G12 NAEP math 109 (7) ? 559
Korean Children in Korea 109 IQ Lynn & Song 1994 ? ?
Italian 8th Graders IAEP/NAEP Crosslink 280
Chinese Hong Kong 109.8 Lynn 1982 (Seligman) vs. British 100 Raven's matrices ? 566
Bright-Normal 110-119 IQ Textbook Wechseler ? ?
Korean Adults in Belgium 110 Frydman & Lynn 1989 ? ?
Adopted Black Children 110 Sandra Scarr ? ?
Chinese 110 Lynn 1977 (Seligman) ? ?
Well Nourished Korean Adult 112 Winick, Meyer and Harris 1975 (2) ? 581
North Dakota Public Schools SAT Table, 1991, and NAEP 581 285
Jewish Boys 112.8 verbal Ann Arbor Institute (Seligman) ? ?
Orthodox Jewish Children (applying to Hebrew schools in 1950's) 114.9 Miles B. Storfer ? ?
Other Storfer Jews 110-115 Miles B. Storfer ? ?
Jews 115 Review of Bell Curve ? 603
Blacks at UC Berkeley 115 A.Hu top 15% UC definition ? ?
Texas Non-public Schools 116 naepmath.pdf 605 301
Blacks in Math Program 116 Barclay school Baltimore MD ? 611
Adopted White children 120 Sandra Scarr ? 641
Blacks at MIT 120 A.Hu based on SAT 1985 ? ?
Whites at UC Berkeley 124 A.Hu top 5% top 1/3 of UC ? 671
Superior 120-129 IQ Text Wechsleler ? ?
Above Superior 130 & above By Definition ? 715
White/Asian MIT 138 A.Hu (top 0.5% of population) ? 771

Notes:

(1) In many cases, conversions were made from SAT scores to an estimate of the US population based on percentile to IQ conversion.

(2) Koreans adopted by Americans, Winick, Meyer and Harris 1975

(3)American men = Asian women at visiospatial tasks (math) (Lynn / Seligman)

(4) Blacks in New York and Boston are equal to grade level in some grades, equal to 100 IQ by definition. Some schools that are mostly black in Chicago also perform at the 50th percentile.

(5) Study of children of mixed parents of European and Black soldiers found no difference

(6) A.Hu Converted 1995 CLAS distribution to IQ with white=100

(7) National Assessment of Educational Progress given to national cross-section of students, 1990

(8) "A better idea" The Economist Dec 2, 1995 p. 23 Barclay public school in Baltimore Md. emulates a tough private school to achieve 85 percentile math scores with 90% black students, 82% free lunch who previously were scoring 20-30 percentile. Superintendent was fired who had opposed "rich black man's curriculum" inappropriate for poor students.

(9) Flynn looked at studies that put Asian IQ higher and concluded that after you accounted for increases in IQ since the tests were "normalized", Asian IQs were actually no higher than whites might expected to be at the same time. However, he does not dispute that Asians still have superior academic performance in school, which is just as useful as having a high IQ.

This is my latest version -- Arthur Hu's "IQ Spectrum" -- http://www.halcyon.com/arthurhu/ 12422 107th Pl NE Kirkland WA 98034

Note that blacks are, as a group, generally below whites, but it is not difficult to find groups who score 100 average or far above under ideal conditions. Those who say that tests are invalid are implying that performance is equal when every test devised by man shows differences in skills such as vocabulary, abstract reasoning, and mathematics.

Date: Fri, 2 Feb 1996

Here's something else you might find helpful - note Asian females have a gender gap, but its nearly erased by the racial gap for Asians.

1993 SAT Scores Ranked by Race and Gender (unpublished special tabulations, College Board)

559 Asian male
518 White male
512 Asian female (only 6 points below WM)
472 White female
451 Hispanic male
408 Hispanic female
400 Black male

arthurhu@halcyon.com

The following data is published by the College Entrance Examination Board, and/or the Educational Testing Service.

The Gender Gap... Is the SAT fair to women?

Studies have shown that women slightly outperform men in their first year of college. So why does the SAT, a supposedly "fair" test, yield 45-point lower scores to women?

                1994 SAT Test Scores for:
                       Women       Men
Average for ALL races   881        926

The Ethnic Gap... Is the SAT fair to minorities?

Now let's take a look at similar data for ethnic groups. The differences are even larger!

                1994 SAT Test Scores for:
Asian American            951
Caucasian                 938
Mexican American          799
Black                     740
Average for ALL races     902

The Income Gap... Is the SAT fair to middle class and poor students?

Perhaps the most interesting data is the correlation between test scores and family income. On the average, well-off students score 234 points higher than students whose familes earn under $10,000 per year.

                1994 SAT Test Scores for:

under $10,000/yr           766
$10,000 - $20,000/yr       812
$20,000 - $30,000/yr       856
   ...
$50,000 - $60,000/yr       929
$60,000 - $70,000/yr       948
over $70,000/yr           1000

Our opinion...

Your SAT score is a better prediction of your income, race, or gender than it is of your ability to perform in college. So why does it not predict your grades in college accurately, and why do college grades not predict income, when SAT scores do?