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December 15, 2004

IQ, TIMSS, L&V

Here is a quote from Godless from a while back:


“Now, for all the skeptics in the audience: who wants to bet that the 2003 data set will not have an IQ-TIMSS correlation greater than .65 or that Ghana & Botswana will score significantly above their IQ-predicted position on the trend line?...this is a chance for the h-bd skeptics - especially those who think Richard Lynn's data is *totally* useless [1] - to venture an empirical, testable prediction.”

Yesterday, TIMSS 2003 results were released to the public. I of course whipped up a little Excel goodness. (It’s a quickie, so beware of errors, etc. I am happy to take corrections*.) So, what does the data say?

TIMSS2.jpg

(* = white lie)

Here follows a table with:

a) IQ scores, adjusted and unadjusted from “IQ and the wealth of nations” by Lynn and Vahannen. (Gathered into a table by Steve Sailer)
b) GDP per capita from the same book
c) TIMSS math scores from TIMSS 2003 for grade eight students in those countries with an entry in the L&V dataset.
d) A few simple regressions I ran on the material. Not an econometrics wizard, so point out errors at will.
e) A nice little IQ-TIMSS graph, for your viewing pleasure.

Synopsis:

A TIMSS-Raw IQ score OLS regression yields an adjusted R-squared of 0,89.
A TIMSS-Adjusted IQ score OLS regression yields an adjusted R-squared of 0,82

Notes:

a) Couldn’t find Botswana in the L&V data set. Their 366 score did manage to beat out Saudi Arabia…
b) The Canadian TIMSS score is a mix of the scores for Quebec and Ontario.
c) The UK entry is the score for England, with a flag for too few participants.











Country

Real GDP per cap

Book Score

Adjusted IQ

TIMSS - math

Hong Kong

20,763

107

103,4

586

South Korea

13,478

106

104,7

589

Japan

23,257

105

102

570

Taiwan

13

104

101

585

Singapore - Total

24,21

103

103

605

Netherlands

22,176

102

107

536

Italy

20,585

102

103

484

Sweden

20,659

101

97

499

United Kingdom

20,336

100

100

498

Belgium

23,223

100

99

537

New Zealand

17,288

100

99

494

Hungary

10,232

99

99

529

United States

29,605

98

100

504

Norway

26,342

98

98

461

Australia

22,452

98

97

505

Canada

23,582

97

97

532

Russia

6,46

96

96

508

Slovakia

9,699

96

96

508

Slovenia

14,293

95

95

493

Israel

17,301

94

97

496

Romania

5,648

94

94

475

Bulgaria

4,809

93

94

476

Malaysia

8,137

92

92

508

Greece

13,943

92

88

459

Indonesia

2,651

89

89

411

Lebanon

4,236

86

86

433

Philippines

3,555

86

86

378

Morocco (in Netherlands)

3,305

85

84

387

Iran

5,121

84

84

411

Egypt

3,041

83

83

406

South Africa

8,488

72

72

264

Ghana

1,735

71

80

276

 


Posted by dobeln at 01:31 PM