EstCRM

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Author: Cengiz Zopluoglu
Contact: https://cran.r-project.org/web/packages/EstCRM/index.html
Description: EstCRM: Calibrating Parameters for the Samejima's Continuous IRT Model. Estimates item and person parameters for the Samejima's Continuous Response Model (CRM), computes item fit residual statistics, draws empirical 3D item category response curves, draws theoretical 3D item category response curves, and generates data under the CRM for simulation studies.
Analyses: Item & Test Analysis; Scaling; Scoring
System Requirements: Windows, Mac, Linux
Measurement Model: IRT/Rasch
License Type: Open-Source (R)
Documentation: user manual, sample dataset

Software License
Open-Source (R)
Measurement Model
Item Response Theory; Rasch
Analysis
Item & Test Analysis; Scaling; Scoring