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A Monte Carlo simulation study of sample size requirements for the Graded Response Model

Fig 6

Changes in across the number of items (J).

The line plot shows how the changes with increasing number of items (J). The RMSE values were corrected using finite population correction (FPC). The x-axis represents the number of items (J), and the y-axis represents .

Fig 6

doi: https://doi.org/10.1371/journal.pone.0347684.g006