Native americans 

References for the whole page « Race differences in intelligence. An evolutionary Analysis », Chapter 12, Richard Lynn, Washington Summit Publisher, 1st edition 2006 et 2nd edition 2015. 

Native Americans are the natives of the Americas. Cavalli-Sforza, Menozzi and Piazza confirmed that the Amerindians formed a separate genetic cluster.

1. I.Q of Native Americans in North America

2. I.Q of Native Americans in Latin America

3. I.Q of Native Amercan-Europeans Hybrids

4. Brain Size of Native Americans and Europeans

5. I.Q of Hispanics


1. I.Q of Native Americans in North America

The mean value is 86.

Table 12.1. IQs of Native Americans in North America

COUNTRY AGE N TEST IQ VERB VIS REFERENCE
1 USA 6/11 715 Otis 86 – – Hunter &
Sommermier, 1922
2 USA 9/13 1102 National 69 – – Garth, 1925
3 USA 5/9 961 Pinter/Nat 85 – – Haught, 1934
4 USA 9/14 1000 Otis 70 – – Garth and Smith, 1937
5 USA 6/11 323 McArthur 88 – – Havighurst et al., 1944
6 USA 6/13 205 CPM 93 – – Turner & Penfold, 1952
7 USA 16 100 WAIS 86 82 91 Howell et al., 1958
8 USA 6/15 281 SPM 85 – – West & MacArthur, 1964
9 USA 8/17 4994 – 91 87 – Coleman, 1966
10 Canada 6/14 124 CF 76 – – Gaddes et al., 1968
11 Canada 13 137 SPM 94 – – Bowd, 1973
12 Canada 5/11 111 CPM 92 – – Cropley & Cardey, 1975
13 USA 6/20 160 WISC 90 70 90 St. John et al., 1976
14 Canada 6/13 177 WISC-R 82 80 85 Seyfort et al., 1980
15 USA 6/13 177 WISC-R 87 – 87 Teeter et al., 1982
16 USA 6/12 236 WISC-R 94 88 100 McShane & Plas, 1984
17 USA 6/16 200 WISC-R 93 – 93 Browne, 1984
18 USA 14 124 SPM 87 – – Sidles & MacAvoy, 1987
19 Canada 11 50 R/V/S 87 79 87 Vernon, 1987
20 USA 6/16 1129 SPM 93 – – Raven & Court, 1989
21 USA 6/16 240 WISC-R 72 68 78 Reynolds et al., 1999
22 USA 6/15 691 WISC-R 80 83 89 Beiser & Gotowiec, 2000
23 USA 9 99 WAIS 84 84 – Tsethlikai, 2011

2. I.Q of Native Americans in Latin America

The mean value is 86.

Table 12.3. IQs of Native Americans in Latin America
COUNTRY AGE N TEST IQ REFERENCE
1 Colombia 4 120 QR 84 Ginsburg et al., 1997
2 Ecuador 6/7 48 DAM 89 Dodge, 1969
3 Ecuador 17 120 WISC-R 88 Fierro-Benitez et al., 1989
4 Ecuador 5/17 104 MAT 80 Proctor et al., 2000
5 Ecuador 8 41 CPM 91 Counter et al., 1998
6 Guatemala 6/12 256 DAM 79 Johnson et al., 1967
7 Mexico 6/13 520 DAM 87 Modiano, 1962
8 Mexico 6/12 197 DAM 92 Laosa et al., 1974
9 Mexico 7/11 194 SPM 83 Lynn et al., 2005
10 Mexico 15 – PISA 86 Lynn & Mikk, 2009
11 Peru 8/11 4382 CPM 87 Raven et al., 1995
12 Peru 6/7 300 WISC 85 Llanos, 1974

3. I.Q of Native American-European Hybrids

Table 12.4. IQs of Native American-European Hybrids

Location

Age

Test

Europeans

Hybrids

Amerinds

Reference

N

IQ

N

IQ

N

IQ

1

Kansas

Adult

OTIS

–

100

536

93

179

67

Hunter & Sommermeir, 1922

2

South Dakota

10-15

OTIS

–

100

68

89

15

86

Fitzgerald & Ludeman, 1925

3

Mexico

7-10

SPM

155

98

571

94

194

83

Lynn et al., 2005

4. Brain Size of Native Americans in comparison to Europeans

Table 12.5. Brain sizes (cc) of Native Americans and Europeans
Europeans
Native Americans
Difference
Reference
1
1,426
1,420
6
Gould, 1981
2
1,369
1,366
3
Beals et al., 1984
3
1,319
1,240
79
Jurgens et al., 1990

5. I.Q of Hispanics (African-Native American-European Hybrids, in varied proportions)

The mean value is 89.

Table 12.6. IQs of Hispanics in the United States
COUNTRY AGE N TEST IQ VER VIS REFERENCE
1 N. Mexico 6/12 100 Binet 89 – – Sheldon, 1924
2 USA 6/12 367 DAM 87 – – Goodenough, 1926b
3 California 6/13 2025 SPM/LT/SA 91 90 – Jensen, 1973b
4 California 6/12 644 CPM/PPVT 90 84 – Jensen, 1974
5 California 7/13 608 CPM/SPM 95 – – Jensen, 1974
6 California 6/11 597 CPM 83 – – Raven, 1986
7 Texas 6/11 434 CPM 94 – – Raven, 1986
8 Texas 9/12 404 SPM 84 – – Raven, 1986
9 USA 12/23 111 SB4 99 – – Thorndike et al., 1986
10 USA 3/18 550 PPVT-R 87 87 – Dunn, 1988
11 Puerto Rico 8/15 2911 SPM 84 – – Raven & Court, 1989
12 Puerto Rico 5/11 2400 SPM 83 – – Raven et al., 1995
13 USA 20/90 37 K-BIT 93 85 – Kaufman & Wang, 1992
14 USA 14/22 3120 AFQT 86 – – Herrnstein & Murray, 1994
15 USA 11/93 140 KAIT 92 87 – Kaufman et al., 1994
16 USA 16/74 1736 GATB 88 91 94 Avolio & Waldman, 1994
17 USA 6/16 242 WISC-111 91 89 95 Prifitera et al., 1998
18 Arizona 6/16 223 WISC-R 81 81 83 Reynolds et al., 1999
19 USA 20/89 163 WAIS-111 92 89 96 Kaufman &
Lichtenberger, 2002
20 USA Adults – Meta-analysis 89 – – Roth et al., 2001
21 USA 5/17 77 UNIT 93 – 87 Kane, 2007

References for the whole page « Race differences in intelligence. An evolutionary Analysis », Chapter 12, Richard Lynn, Washington Summit Publisher, 1st edition 2006 et 2nd edition 2015.