| 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 |