Test Reliability and CSEM in Educational Measurement


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Documentation for package ‘emreliability’ version 1.0.0

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alpha Cronbach's Coefficient Alpha
csem_binomial CSEM and CSSEM with Binomial Model
csem_compound_binomial CSEM, CSSEM, and Reliability under the Compound Binomial Model
csem_info CSEM of IRT Model via Information
csem_lord CSEM Lord Method
csem_lord_keats CSEM: Lord Keats Method
cssem_polynomial Polynomial Method for CSSEM
ct.m Conversion table for multidimensional data.
ct.u Conversion table for unidimensional data.
data.m Multidimensional data
data.u Unidimensional data
feldt Feldt's Coefficient
info Information for IRT Model
ip.u Item parameters for unidimensional data.
kr20 KR-20
kr21 KR-21
lord_wingersky Lord-Wingersky Recursive Formula
normal_quadra Gaussian Quadrature Points and Weights
rel_info Marginal Reliability of a Unidimensional IRT Model
rel_test Test Reliability and CSEMs for IRT Scores
spearman_brown Spearman–Brown Prophecy Formula
stratified_alpha Stratified Cronbach's Coefficient Alpha
stratified_feldt Stratified Feldt's Coefficient