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APA Citation
Raykov, T., Dimitrov, D. M., Marcoulides, G. A., & Harrison, M. (2019). on the Connections Between Item Response Theory and Classical Test Theory: A Note on True Score Evaluation for Polytomous Items via Item Response Modeling. Educational and psychological measurement, 79, 1198–1209. http://access.bl.uk/ark:/81055/vdc_100087797727.0x000003