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SAT concordance table - compare old and new SAT scores

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Replies to: SAT concordance table - compare old and new SAT scores

  • Mickey2DadMickey2Dad Registered User Posts: 2 New Member
    edited September 24
    Using the 2017 percentile table released by CB, it is clear the concordance tables are off. For example, I have taken the 50%, 75%, 90%, 95%, 98% and 99% data. Then look at the which SAT score (or range) where this particular %tile FIRST appear on the tables. Using the data from 2011-15, the scores were 1480-90, 1720, 1930, 2050, 2150-60, and 2210-20, respectively. Using the concordance table to convert the old 2400 scale scores to the new 1600 scale scores, I got 1085, 1235, 1370, 1435, 1490, and 1520, respectively. But if I use the 2017 percentile table from CB, for these percentiles, the respective scores were 1055, 1195, 1320, 1390, 1450 and 1480. That represents and overestimation of the new SAT scores using the concordance table, across a great distance over the curve, and fairly uniformly by about 40 points. This may not sound like a lot, but most parents(students) could tell you the importance of that extra 40 points in admissions, scholarships cut off etc. I doubt CB would revise the concordance table with the 2017 actual test data, but I do wish admissions office take notice of this discrepancy and not causing unfair undue harm to students.
  • suzyQ7suzyQ7 Registered User Posts: 2,957 Senior Member
    The original concordance tables published were based on the PSAT given in Fall 2015 and on small samplings they did before that. The Fall 2015 PSAT was too easy at the top levels - and the scores were high. They have subsequently tightened up the actual SAT tests given - therefore the concordance originally published was off. They are now publishing new concordance to reflect actual SAT sittings from 2016 and 2017. That is my theory.
  • YnotgoYnotgo Registered User Posts: 3,422 Senior Member
    That's what it looks like, except that the scores were higher at the high end on the 2016 PSAT than on the 2015 PSAT.. Maybe that was accidental.
  • KennyTKennyT Registered User Posts: 11 New Member
    Mickey2Dad Good stuff. In addition, the 40 point difference is just comparing the new SAT with the old. However, when you compare the new SAT with the Concordance Table predictions the difference is more like 100 points.
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