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A Mixture Response Time Model for Test Speededness

Thu, April 16, 12:00 to 1:30pm, Sheraton, Floor: Fourth Level, Chicago VI&VII


This study proposes a mixture response time model to detect test speededness effect. The performance of the model is evaluated through a real data analysis. The results of the proposed model will also be compared with mixture Rasch model with item response time components proposed by Meyer (2008). The impact of the model on item calibration or IRT scaling is discussed.