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Computerized Adaptive Test Differential Item Functioning

Katika kipimo cha kawaida kilichowekwa, kila mwanafunzi huona vipengele sawa, na kuifanya iwe rahisi kulinganisha jinsi vikundi vinavyofanya kazi kwa kila kipengele baada ya kulinganishwa kwa alama kamili. Katika CAT, vipengele huchaguliwa kwa nguvu kwa kila mtu, kwa hivyo vikundi tofauti vinaweza kupokea seti tofauti za vipengele. Ikiwa kundi huelekea kuelekezwa kwa vipengele rahisi au vigumu zaidi kutokana na tofauti za uwezo zilizopo, ulinganifu wa vikundi unaweza kuchanganya upendeleo halisi wa kipengele na mfiduo tofauti wa kipengele. Mbinu za CAT-DIF huchukua hii kwa kuzingatia makadirio ya uwezo wa IRT badala ya alama zilizoonekana, na kwa kusahihisha viwango tofauti vya mfiduo wa kipengele kabla ya kutumia takwimu za DIF.

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Vyanzo

  1. Zwick, R., Thayer, D. T., & Mazzeo, J. (1997). Describing and categorizing DIF in polytomous items. Journal of Educational Measurement, 34(4), 261–285. DOI: 10.1002/j.2333-8504.1997.tb01726.x
  2. Wainer, H. (Ed.). (2000). Computerized Adaptive Testing: A Primer (2nd ed.). Lawrence Erlbaum Associates. ISBN: 978-0805835113

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Computerized Adaptive Test Differential Item Functioning. ScholarGate. https://scholargate.app/sw/psychometrics/computerized-adaptive-test-differential-item-functioning

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Imerejelewa na

ScholarGateCAT-DIF (Computerized Adaptive Test Differential Item Functioning). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/psychometrics/computerized-adaptive-test-differential-item-functioning · Seti ya data: https://doi.org/10.5281/zenodo.20539026