Cite
HARVARD Citation
Rutkowski, L. et al. (2016). Item Calibration Samples and the Stability of Achievement Estimates and System Rankings: Another Look at the PISA Model. International journal of testing. 16 (1), pp. 1-20. [Online].
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Rutkowski, L. et al. (2016). Item Calibration Samples and the Stability of Achievement Estimates and System Rankings: Another Look at the PISA Model. International journal of testing. 16 (1), pp. 1-20. [Online].