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 IAEP

International Assessment of Education Progress

 

bulletThe percent of Chinese students who correctly answered IAEP math questions was almost twice ours. 
bulletMozambique's natives' average IAEP Math score of 423 equals zero intelligence
bulletThe comparison between China and the US is 80 percent versus 40 percent rather than 561 versus 494.
bulletCorrelation between IQ and IAEP is an r-squared of 0.74.
bullet Washington, DC, Scores Lower than Mozambique. 

 

Algebra

The US did particularly bad in algebra in 1991 IAEP Math, with only 49.2% of our students answering correctly, compared to 70.8% in Korea, 69.2% in Taiwan, 62.7% in Switzerland, 71.9% in Russia, 69.8% in Hungary, 57% in France, 64.7% in Israel, 52.7% in Canada, 52.8% in Scotland, 55.6% in Ireland, 51.8% in Slovenia, 52.6% in Spain, 82.4% in China, 54% in England, 52.6% in Italy, 43.1% in Portugal, 32.3% in Brazil, and 20.5% in Mozambique.

When the algebra skills of our children are better than only Portugal, Brazil, and Mozambique, you know there are serious long term consequences.

 

 

 

 

Country 8th Grade Crosslink of IAEP & NAEP IQ per Prof. Lynn IQ adjusted Amount Adjusted IQ adjusted + state & country estimates Amount Adjusted
Whites DC 303     110
Whites Private Texas 301     109
TAIWAN 296.7 107 107 0 107 0
KOREA 294.1 106 106 0 106 0
White Protestant 290 105
RUSSIA 287.6     103
SWITZERLAND 287.5 101 103 2 103 2
U.S.Protestant 285     102
HUNGARY 284.8 99 102 3 102 3
NorthDakota 281.1   100   100  
Montana 280.5 100
U.S.Private Schools 280     100
FRANCE 278.1 98 99 1 99 1
Iowa 278     99
ITALY 276.3     98
Nebraska 275.7 98
Minnesota 275.4     98
Wisconsin 274.5 98
CANADA 274 97 97 0 97 0
NewHampshire 273.2 97
SCOTLAND 272.4     97
Wyoming 272.2 97
Idaho 271.5     97
IRELAND 271.4 93 96 3 97 4
Oregon 271.4     96
Connecticut 269.9 96
NewJersey 269.7     95
Colorado 267.4 95
Indiana 267.3     95
SLOVENIA 267.3 95 94 -1 94 -1
Pennsylvania 266.4   93.5   93.5 93.5
White Catholic 265     93
Michigan 264.4 93
Virginia 264.3     93
Colorado 264.2 93
Ohio 264     93
Oklahoma 263.2 93
SPAIN 261.9 99 92 -7 92 -7
U.S.Public 261.8 96 92 -4 92 -4
Maryland 260.8     92
New York 260.8 92
Delaware 260.7     92
Illinois 260.6 92
Rhode Island 260   91 91 91 91
Arizona 259.6 91
Georgia 258.9     91
Texas 258.2 90
Kentucky 257.1     90
New Mexico 256.4 90
California 256.3     90
Arkansas 256.2 90
West Virginia 255.9     90
Florida 255.3 89
Alabama 252.9     89
Hawaii 251 88
North Carolina 250.4     87
Louisiana 246.4 85
JORDAN 236.1 87 80 -7 81 -6
ISRAEL 235 94 80 -14
Wash DC 231.4 77.2 78 0.8 78 0.8
S. Africa 225 72 75 3 76 4
Mozambique 214.1 72 70 -2 70 -2
S. African Blacks 214     70 70
US Blacks 211 69 68.5 -0.5 69 0
DC Blacks 208     68
Diff Min to Max 88.7 39

 

 

 

 

 

 

 

 

 

 

pisa2006readingmath.xlsx                    
Country Lynn IQ IAEP reading IAEP IQ Adjustment Pisa 2006 Pisa IQ IAEP IQ PISA Adjustment TIMSS 8th gr. 2003 TIMSS IQ TIMSS Adjustment Lynn IQ TIMSS 12th IAEP Partners   Hotel Worker Salary
  a.. Hong Kong  107 536 1 549 107 108 0 586 105 -2 107   545 Chinese Taipei 549  
  o.. New Zealand  100 521 0 522 104 100 4 494 96 -4 100 522   Finland 548 1132
  v.. Australia  98 513 0 520 104 98 6 505 97 -1 98 522   Hong Kong-China 547 1826
  i.. Netherlands  102 507 0 531 105 102 3 536 100 -2 102 560   Korea 547 1910
  m.. Belgium  100 501 0 520 103 100 3 537 100 0 100     Netherlands 531 1544
  ad.. Estonia  97 501 0 515 103 97 6   97 97     Switzerland 530  
  l.. Switzerland  101 499 5 530 105 106 4   101 101 540 539 Canada 527 2404
  be.. Greece  92 460 0 459 96 92 4   92 92     Macao-China 525 727
  bl.. Turkey  90 447 0 424 91 90 1   90 90     Liechtenstein 525  
  as.. Israel  94 439 -5 442 94 89 0 466* 92 -2 94   476 Japan 523 748
  bx.. Mexico  87 410 0 406 89 87 2   87 87     New Zealand 522 292
  b.. Korea, South  106 556 1 547 107 107 1 589 106 0 106   542 Belgium 520 1412
  ab.. Canada  97 527 2 527 104 99 7   97 97 446 513 Australia 520  
  ay.. Ireland  93 517 0 501 101 93 8   93 93          
  s.. Poland  99 508 0 495 100 99 1   99 99     Estonia 515 326
  k.. Sweden  101 507 0 502 101 101 0 499 97 -4 101 552   Denmark 513 1307
  c.. Japan  105 498 0 523 104 105 -1 537 101 -4 105     Czech Republic 510 1137
  g.. Germany  102 495 0 504 102 102 0   102 102 495   Iceland 506  
  q.. United Kingdom  100 495 -1 495 100 99 0   100 100   511 Austria 505 1803
  u.. France  98 488 3 496 100 101 2   98 98 523 519 Slovenia 504 1120
  z.. Norway  98 484 0 490 100 98 2 461 93 -5 98 528   Germany 504 2639
  r.. Hungary  99 482 0 491 99 99 0 529 99 0 99 483   Sweden 502  
  j.. Luxembourg  101 479 0 490 100 101 -1   101 101     Ireland 501  
  af.. Latvia  97 479 0 486 100 97 3 505 97 0 97          OECD average 498  
  aq.. Portugal  95 472 -4 466 96 91 1   95 95   483 France 496 700
  ag.. Lithuania  97 470 0 486 99 97 2 502 97 0 97 469   United Kingdom 495 200
  h.. Italy  102 469 0 462 96 102 -6 484 96 -6 102 476   Poland 495 1272
  t.. Spain  99 461 -5 480 99 94 0   99 99   495 Slovak Republic 492 1382
  av.. Chile  93 442 0 411 90 93 -3 387 85 -8 93     Hungary 491  
  aj.. Russia  96 440 8 476 98 104 2 508 98 2 96 471 533 Luxembourg 490  
  bh.. Thailand  91 417 0 417 91 91 0   91 91     Norway 490 128
  am.. Uruguay  96 413 0 427 92 96 -4   96 96     Lithuania 486  
  aw.. Bulgaria  93 402 0 413 90 93 -3 476 94 1 93     Latvia 486  
  bv.. Jordan  87 401 0 384 87 87 0 424 89 2 87          OECD total 484  
  at.. Romania  94 396 0 415 90 94 -4 475 94 0 94     Spain 480 131
  bn.. Indonesia  89 393 0 391 87 89 -2 411 88 -1 89     Azerbaijan 476  
  bt.. Brazil  87 393 -6   87 81   87 87   444 Russian Federation 476 148
  bq.. Colombia  88 385 0 370 85 88 -3   88 88     United States 474  
  da.. Tunisia  84 380 0 365 84 84 0 410 88 4 84     Croatia 467  
  ah.. Argentina  96 374 0 381 86 96 -10   96 96     Portugal 466  
  bs.. Azerbaijan  87 353 0 476 98 87 11   87 87     Italy 462  
  ec.. Qatar  78 312 0 318 78 78 0   78 78     Greece 459  
  bw.. Kyrgyzstan  87 285 0 311 77 87 -10   87 87     Israel 442  
  ak.. Slovakia  96   0 504 101 96 5 508 98 2 96     Serbia 435 335
Scotland     0     498   0   511 Uruguay 427  
  aa.. United States  98   -4 474 98 94 0 504 97 -1 98 461 494 Turkey 424  
  bj.. Croatia  90   0 467 97 90 7   90 90     Thailand 417  
  d.. Korea, North  105   0   105 105   105 105     Romania 415  
  e.. Taiwan  104   0   104 104   104 104     Bulgaria 413 1369
  f.. Austria  102   0   102 102   102 102 518   Chile 411 1251
  n.. China  100   12   100 112   100 100   561 Mexico 406  
  p.. Singapore  100   0   100 100   100 100     Montenegro 399  
  w.. Denmark  98   0   98 98   98 98 547   Indonesia 391  
  x.. Iceland  98   0   98 98   98 98 534   Jordan 384  
  y.. Mongolia  98   0   98 98   98 98     Argentina 381  
  ac.. Czech Republic  97   0   97 97   97 97 466   Colombia 370  
  ae.. Finland  97   0   97 97   97 97     Brazil 370 1814
  ai.. Belarus  96   0   96 96   96 96     Tunisia 365  
  al.. Ukraine  96   0   96 96   96 96     Qatar 318  
  an.. Vietnam  96   0   96 96   96 96     Kyrgyzstan 311  
  ao.. Malta  95   0   95 95   95 95        
  ap.. Moldova  95   0   95 95 460 93 -2 95      
  ar.. Slovenia  95   2   95 97   95 95 512 504  
  au.. Armenia  93   0   93 93   93 93      
  ax.. Georgia  93   0   93 93   93 93      
  az.. Kazakhstan  93   0   93 93   93 93      
  ba.. Macedonia  93   0   93 93 435 90 -3 93      
  bb.. Yugoslavia  93   0   93 93   93 93      
  bc.. Brunei  92   0   92 92   92 92      
  bd.. Cyprus  92   0   92 92 459 92 0 92      
  bf.. Malaysia  92   0   92 92 508 98 6 92      
  bg.. Costa Rica  91   0   91 91   91 91      
  bi.. Albania  90   0   90 90   90 90      
  bk.. Peru  90   0   90 90   90 90      
  bm.. Cambodia  89   0   89 89   89 89      
  bo.. Suriname  89   0   89 89   89 89      
  bp.. Laos  89   0   89 89   89 89      
  br.. Venezuela  88   0   88 88   88 88      
  bu.. Iraq  87   0   87 87   87 87      
  by.. Samoa (Western)  87   0   87 87   87 87      
  bz.. Syria  87   0   87 87   87 87      
  ca.. Tajikistan  87   0   87 87   87 87      
  cb.. Tonga  87   0   87 87   87 87      
  cc.. Turkmenistan  87   0   87 87   87 87      
  cd.. Uzbekistan  87   0   87 87   87 87      
  ce.. Burma (Myanmar)  86   0   86 86   86 86      
  cf.. Philippines  86   0   86 86 378 84 -2 86     133
  cg.. Lebanon  86   0   86 86   86 86      
  ch.. Bolivia  85   0   85 85   85 85      
  ci.. Cuba  85   0   85 85   85 85      
  cj.. Morocco  85   0   85 85   85 85      
  ck.. Paraguay  85   0   85 85   85 85      
  cl.. Algeria  84   0   84 84   84 84      
  cm.. Dominican Republic  84   0   84 84   84 84      
  cn.. El Salvador  84   0   84 84   84 84      
  co.. Guyana  84   0   84 84   84 84      
  cp.. Honduras  84   0   84 84   84 84      
  cq.. Iran  84   0   84 84 411 88 4 84      
  cr.. Kiribati  84   0   84 84   84 84      
  cs.. Libya  84   0   84 84   84 84      
  ct.. Marshall Islands  84   0   84 84   84 84      
  cu.. Micronesia  84   0   84 84   84 84      
  cv.. Nicaragua  84   0   84 84   84 84      
  cw.. Panama  84   0   84 84   84 84      
  cx.. Papua New Guinea  84   0   84 84   84 84      
  cy.. Puerto Rico  84   0   84 84   84 84      
  cz.. Solomon Islands  84   0   84 84   84 84      
  db.. Vanuatu  84   0   84 84   84 84      
  dc.. Afghanistan  83   0   83 83   83 83      
  dd.. Bahrain  83   0   83 83   83 83      
  de.. Belize  83   0   83 83   83 83      
  df.. Egypt  83   0   83 83   83 83      
  dg.. Kuwait  83   0   83 83   83 83      
  dh.. Oman  83   0   83 83   83 83      
  di.. Saudi Arabia  83   0   83 83   83 83      
  dj.. United Arab Emirates  83   0   83 83   83 83      
  dk.. Yemen  83   0   83 83   83 83      
  dl.. Bangladesh  81   0   81 81   81 81      
  dm.. India  81   0   81 81   81 81      
  dn.. Maldives  81   0   81 81   81 81      
  do.. Mauritius  81   0   81 81   81 81      
  dp.. Pakistan  81   0   81 81   81 81      
  dq.. Seychelles  81   0   81 81   81 81      
  dr.. Sri Lanka  81   0   81 81   81 81      
  ds.. Ecuador  80   0   80 80   80 80      
  dt.. Trinidad & Tobago  80   0   80 80   80 80      
  du.. Comoros  79   0   79 79   79 79      
  dv.. Guatemala  79   0   79 79   79 79      
  dw.. Madagascar  79   0   79 79   79 79      
  dx.. Barbados  78   0   78 78   78 78      
  dy.. Bahamas  78   0   78 78   78 78      
  dz.. Bhutan  78   0   78 78   78 78      
  ea.. Cape Verde  78   0   78 78   78 78      
  eb.. Nepal  78   0   78 78   78 78      
  ed.. Zambia  77   0   77 77   77 77      
  ee.. Antigua & Barbuda  75   0   75 75   75 75      
  ef.. Grenada  75   0   75 75   75 75      
  eg.. Dominica  75   0   75 75   75 75      
  eh.. St. Kitts & Nevis  75   0   75 75   75 75      
  ei.. St. Lucia  75   0   75 75   75 75      
  ej.. St.Vincent/Grenadines  75   0   75 75   75 75      
  ek.. Congo (Braz)  73   0   73 73   73 73      
Israel Adjusted           73       410  
  el.. Mauritania  73   0   73 73   73 73      
  em.. Uganda  73   0   73 73   73 73      
  en.. Botswana  72   0   72 72   72 72      
  eo.. Chad  72   0   72 72   72 72      
  ep.. Haiti  72   0   72 72   72 72      
  eq.. Jamaica  72   0   72 72   72 72      
  er.. Kenya  72   0   72 72   72 72      
  es.. Lesotho  72   0   72 72   72 72      
  et.. Mosambique  72   4   72 76   72 72   427  
  eu.. Namibia  72   0   72 72   72 72      
  ev.. South Africa  72   0   72 72 264 72 0 72 356    
  ew.. Swaziland  72   0   72 72   72 72      
  ex.. Sudan  72   0   72 72   72 72      
  ey.. Tanzania  72   0   72 72   72 72      
  ez.. Cote d'Ivoire  71   0   71 71   71 71      
  fa.. Ghana  71   0   71 71   71 71      
  fb.. Malawi  71   0   71 71   71 71      
  fc.. Burundi  70   0   70 70   70 70      
  fd.. Cameroon  70   0   70 70   70 70      
  fe.. Rwanda  70   0   70 70   70 70      
  ff.. Angola  69   0   69 69   69 69      
  fg.. Benin  69   0   69 69   69 69      
  fh.. Togo  69   0   69 69   69 69      
  fi.. Central African Rep.  68   0   68 68   68 68      
  fj.. Djibouti  68   0   68 68   68 68      
  fk.. Eritrea  68   0   68 68   68 68      
  fl.. Mali  68   0   68 68   68 68      
  fm.. Somalia  68   0   68 68   68 68      
  fn.. Niger  67   0   67 67   67 67      
  fo.. Nigeria  67   0   67 67   67 67      
  fp.. Burkina Faso  66   0   66 66   66 66      
  fq.. Gabon  66   0   66 66   66 66      
  fr.. Zimbabwe  66   0   66 66   66 66      
  fs.. Congo (Zaire)  65   0   65 65   65 65      
  ft.. Gambia  64   0   64 64   64 64      
  fu.. Liberia  64   0   64 64   64 64      
  fv.. Senegal  64   0   64 64   64 64      
  fw.. Sierra Leone  64   0   64 64   64 64      
  fx.. Ethiopia  63   0   63 63   63 63      
  fy.. Guinea  63   0   63 63   63 63      
  fz.. Guinea Bissau 63   0   63 63   63 63      
  ga.. Sao Tome/Principe  59   0   59 59   59 59      
  gb.. Equatorial Guinea  59   0   59 59   59 59      
                   
              0      
73.91             0      
66.04             0      

 

 

 

 

 

Mozambique participated in IAEP and got 28.3% correct, compared to 80.2% in China, 55.3% in the US, and 73.4% in Korea. The recent breakdown of scores by race in the US by TIMSS suggests the following to be the racial component of our score of 55.3:

Protestant White 35%, 83.2%
Catholic White 18%, 40.8%
Other 7%, 51.1%
Asian 3%, 76.1%
Hispanic 24%, 38.3%
Black 13%, 29.1%


Blacks in DC 21.5%

Mozambique 28.3%


"The grand total of DC public school funding for 2007-08 is thus $1.216 billion. Divide that by the OSSE’s official enrollment figure of 49,422 students, and you arrive at an estimated total per pupil spending figure of $24,606."
http://www.cato-at-liberty.org/the-real-cost-of-public-schools/

This compares to $5,100 per student in Iowa and North Dakota, and $3,000 per student in Korea and Singapore.

So the MOST pampered student on the universe, the Black student in DC who already costs $24,606 per year to educate, almost FIVE TIMES more than a student in Iowa or Korea, STILL scores 11 NAEP math points lower (at 231) than the AVERAGE American black student, 70 points lower than a nonpublic school student in Texas, and 72 points lower than the AVERAGE White student in the SAME schools in DC (at 303).

What does MOzambique do right for Blacks that DC does wrong for Blacks?

How exactly do American Blacks benefit from this? How do WE benefit from this?

 

1991 IAEP Math Percent Correct dtab290p.txt
DC Blacks White Protestant White Catholic Other Asian Hispanic Black
35.00% 18% 7% 3.00% 24.00% 13.00%
21.5 83.2 40.8 51.1 76.1 38.3 29.1
29 7 4 2 9 4 55.3
1.46 0.72 0.90 1.33 0.67 0.51 55.3
0.0
2008 ACT Score DC
DC Blacks White Protestant White Catholic Other Asian Hispanic Black
35.00% 18% 7% 3.00% 24.00% 13.00%
11.8 31.0 21.0 21.8 25.0 20.6 16.0
11 4 2 1 5 2 23.9
1.94 1.31 1.36 1.56 1.29 1.00 55.3
-31.4

 

ABUSING SCALED SCORES

The objectivity and amazing integrity of international studies like IAEP, TIMSS, and PISA can be completely undermined with the use of scaled scores in the hands of educrats with an agenda, as the following table illustrates.  In 1991, 80.2 of Chinese 13 year olds, 55.3% of ours, and 28.3% of Mzambique's correctly answered the IAEP math problems and received scaled scores of 561, 494, and 427 respectively:

  % correct IAEP Score Realistic Comaprison
China 80.2 561 80 percent
US 55.3 494 40 percent
Mozambique 28.3 427 0 percent

What these scaled scores conceal is that IF these were all four part multiple choice questions, then just guessing at the answers would yield 25% correct.  So an IAEP score of 427 in a student body in which only 28.3% answered correctly is very close to zero intelligence and math ability.  In addition, numerous known test taking strategies could increase the percent correct to 30%, or even more, when guessing at questions to which you know that you don't  know the answer.

The following graph shows the linear relationship between scaled scores and the uncorrected percentage correct where each 1% increase in the number of correct answers equals a 2.6 point increase in the scaled score:

iaepscaledscore.jpg (18847 bytes)

The lowest one percentile of students in China, Switzerland, Quebec, and Saskatchewan scored considerably higher than the average Mozambique student.  But half of the 95th percentile of Mozambique students correctly answered the questions, suggesting the 4% who're Portuguese (and whose genetic brethren back in Portugal answered 48.3% of the questions correctly and had an IAEP score of 483) and the 2% who're Indians who score slightly higher, at 490), also took this test.  This would mean that the IAEP scores of the indigenous niggers was lower  than 427:

(.04 x 483) + (.02 x 490) + (.94 x X) = 427

X = actual IAEP score of indigenous niggers = 423

The fact that so many of their cousins in neighboring South Africa scored lower than if they'd just guessed on so many similar math problems gives validity to the report that the lowest one percentile of Mozambique's students answered only 11.5% of the questions correctly.  Where the use of scaled scores makes it appear that the comparison between China and Mozambique is 561 vs 427, the actual comparison is 80.2% correct versus 0.0% correct.  Where the standard deviation of Mozambique in general is 18, the actual standard deviation of the native population is zero, as their actual performance on the test is less than zero.

Such a racist, invidious, misleading use of scaled scores is unfair both to students who performed well and the students whose complete lack of math skills has been concealed and ignored.

 

 

The SAT Math Equivalent (SATME) Based on NAEP:IAEP Crosslink Study

 

bulletOne SATME point equals:
bulletTwo TIMSS Geometry points.
bulletTwo percent correct on Figure 13.
bulletOne third of an IAEP Math point.
bulletA 1% increase in men teachers.
bulletAn average SATME score of 420 equals zero percent correct.

 

naeppublicprivate.gif (26664 bytes)

Table S23 Mathematics proficiency scores for 13-year-olds in countries and public school 8th-grade students in states, calculated using the equi-percentile linking method, according to Beaton and Gonzales, by country (1991) and state (1990) provides the opportunity to create an "SAT Math Equivalent" (SATME) to grade each country based on 12th grade SAT Math score of each state.  The IAEP:NAEP curve has a linear correlation with actual NAEP scores of public schools by state of r-squared = 0.9363, which provides confidence in the accuracy of this correlation.  But when compared to the NAEP scores of non-public schools by state, r-squared decreases to 0.6583, which raises questions about how accurate the IAEP:NAEP will be with other countries; or with a grade level which represents an age difference of 4-5 years; or with 12th grade TIMSS scores by country; or with the percent of correct answers by country on the TIMSS test subjects for which scores are available.

The problem is an inconsistent deviation between the NAEP scores of public and non-public schools.  The difference in states like North Dakota, Iowa, Minnesota, Nebraska, Massachusettes, and Rhode Island is only 6-12 points, but the difference in states like Texas, Georgia, California, and New Mexico is 20-31 points.  The reason that all states fall into two distinct classes like this is unclear, but it does explain the poor correlation with Beaton/Gonzales.  Since the difference in average math scores between blacks and whites of 28.9 NAEP points is equivalent to 110 SAT Math points, the 31 point difference between the public and non-public schools of Texas is the equivalent of 118 SAT Math points.  In other words, the difference in math skills within one state between public and non-public schools is as big as the difference in SAT math scores between engineering and education majors.

The nonpublic schools in California, South Carolina, New Mexico, Massachusetts, New York, Louisiana, and Rhode Island DO score considerably higher than the public schools of their state, they score lower than the public schools in North Dakota, Iowa, Minnesota, Missouri, Montana, and Nebraska:

naepdistpublicprivate.gif (18704 bytes)

Based on this, it would be expected that the NAEP which tests 13 year olds and SAT Math for 12th graders would not show very high correlation, but r-squared with 12th grade SAT Math scores by state is a surprising 0.8483.  This demonstrates that *within* the US there is a high consistency between states between these two grade levels.  In other words, there is little change in state ranking from 8th to 12th grade in NAEP scores.  The SATME is created from a linear extrapolation of the IAEP:NAEP data and assigns an SAT Math score to each country which is linearly proportional to its IAEP score.  Taiwan, the highest scoring "state" with an IAEP score of 296.7, is assigned an SATME of 555, and Jordan, the lowest scoring "state" with an IAEP of 236.1, is assigned an SATME of 445.  R-squared for SATME and 8th grade TIMSS Math scores by country shows the same low correlation which non-public schools show, or 0.5287.  But r-squared between the TIMSS Geometry scores of the 16 countries whose 12th graders participated in TIMSS and their SATME grade is 0.8128, which is equivalent correlation to IAEP:NAEP to TIMSS Geometry (0.8483).  This is evidence that SATME is an accurate way to grade the average math skills of students in each participating country.

The international TIMSS study provides the ability to correlate the percent of correct answers by country to each country's TIMSS score, which in turn enables a correlation to be made between the percent of correct answers in TIMSS math and SAT Math scores.  As would be expected, there is a close correlation between TIMSS Geometry scores and the percent of correct answers on TIMSS Geometry questions.  But there is also a high degree of correlation with probability and statistics questions, and an even higher correlation with calculus questions.  This suggests either that geometry is an important foundational skill for advanced math skills, or that those countries whose schools are good at teaching geometry are also good at teaching other math skills. 

The average r-squared for the 7 math items which show the highest degree of correlation is 0.6675.  You can see from the graphs that SATME predicts the percent of a country's students who can correctly answer Geometry Item J11 to within plus or minus 6.4%, and for Probability & Statistics Item I05 to plus or minus 10%, which is sufficient accuracy for a correlation to SAT Math.  The SATME grade crosses zero percent correct at an average of 404 points, and it crosses 20% correct at 437 points.  If half of these questions were five-answer multiple choice question, and if half of them require a direct answer, then a student who just guessed at these math questions would receive an SATME grade of 420 points.  In other words, these TIMSS questions show that an SAT Math score of 420 is equivalent to zero math knowledge.  Each 1% increase in the percent of correct answers raises the SATME grade by an average of 3 points, so the upper limit of the SATME grade at 100% correct is 720 points:

TIMSS 12th Grade Geometry Item #

R-squared

SATME Crosses Zero Percent Correct

SATME Crosses 20% Correct

SATME points per % correct

Geometry I09

0.6602

480

490

0.7

Geometry J08

0.6320

425

450

2

Geometry J11

0.7172

370

400

3

Prob &S I05

0.5700

400

450

3

Calculus I04

0.6388

330

380

3

Calculus I06

0.7799

420

450

5

Calculus K06 (excludes France)

0.6743

400

440

5

Average

0.6675

404

437

3

 

 

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jewn McCain

ASSASSIN of JFK, Patton, many other Whites

killed 264 MILLION Christians in WWII

killed 64 million Christians in Russia

holocaust denier extraordinaire--denying the Armenian holocaust

millions dead in the Middle East

tens of millions of dead Christians

LOST $1.2 TRILLION in Pentagon
spearheaded torture & sodomy of all non-jews
millions dead in Iraq

42 dead, mass murderer Goldman LOVED by jews

serial killer of 13 Christians

the REAL terrorists--not a single one is an Arab

serial killers are all jews

framed Christians for anti-semitism, got caught
left 350 firemen behind to die in WTC

legally insane debarred lawyer CENSORED free speech

mother of all fnazis, certified mentally ill

10,000 Whites DEAD from one jew LIE

moser HATED by jews: he followed the law

f.ck Jesus--from a "news" person!!

1000 fold the child of perdition

 

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Modified Saturday, March 11, 2017

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