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Download full textAnkenmann, Robert D.; Stone, Clement A. – 1992
Effects of test length, sample size, and assumed ability distribution were investigated in a multiple replication Monte Carlo study under the 1-parameter (1P) and 2-parameter (2P) logistic graded model with five score levels. Accuracy and variability of item parameter and ability estimates were examined. Monte Carlo methods were used to evaluate…
Descriptors: Computer Simulation, Estimation (Mathematics), Item Bias, Mathematical Models
