North Dakota vs. Washington, DC

 

 

Source North Dakota Washington, DC Diff
Beaton crosslink 281.1 231.4 49.7
NAEP Whites 286 303 -17
NAEP Blacks - 231 -
SAT Math 604 455 149
SAT Verbal 568 465 123
SATM Whites 610 629 -19
SATM Blacks 402 383 19
SATV Whites 577 641 -64
SATV Blacks 456 395 61
Swiss/Mzmb IAEP 539 427 112
IAEP 524 450 74


The figures in red were estimated by correlating between Rushton's IQ scores unadjusted, Rushton's IQ scores adjusted, NAEP, IAEP, and the Beaton/Gonzalez Crosslink Study:

 

NAEP IAEP Rushton IQ Unadjusted Rushton IQ Adjusted Diff
Taiwan 296.7 545 107 107 0
Korea 294.1 542 106 106 0
Soviet Union 287.6 533 104.5
Hungary 284.8 529 99 104 -5
North Dakota 281.1 524 103
France 278.1 519 98 102 -4
Italy 276.3 517 102 101.5 0.5
Canada 274 513 97 101 -4
Scotland 272.4 511 100.5
Ireland 271.4 509 93 100 -7
Slovenia 267.3 504 96 99 -3
Spain 261.9 495 99 97.5 1.5
US 261.8 494 98 98 0
Jordan 236.1 458 87 91 -4
DC 231.4 450 90
Brazil 219.4 432 87 87 0
Mozambique 215.4 427 86
DC Blacks, NAEP 213.5 422 85.5
DC Blacks, SAT 188.4 383 79