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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Psychol Assess. 2018 Mar 19;30(6):809–826. doi: 10.1037/pas0000529

Figure 3.

Figure 3

Frequency distributions of posterior 95% credible interval (CI) widths for the MPT model’s ability and difficulty parameters. Although Sem is a probability, it was converted to a logit scale for consistency with the other parameters.