| binary_irt | Binary (Dichotomous) Item Response Theory Estimation Using Likelihood or Bayesian |
| ela1 | Mixed-Format English Language Arts (ELA) Assessment Data (Form 1) |
| ela2 | Mixed-Format English Language Arts (ELA) Assessment Data (Form 2) |
| ela3 | Large-Scale Mixed-Format English Language Arts (ELA) Assessment Data (Form 3) |
| ela3_testmap | Large-Scale Mixed-Format English Language Arts (ELA) Assessment Data Testmap (Form 3 Testmap) |
| equate_irt | Item Response Theory Equating / Linking |
| fixed_item | Fixed Item Calibration |
| fix_person | Fixed Person Calibration with or without Covariate |
| irt_trt | Joint Item Response Theory and Testlet Response Theory Estimation (Dichotomous & Polytomous) |
| mixed_irt | Mixed Item Response Model Estimation (Dichotomous & Polytomous) with Prior Support |
| polytomous_irt | Polytomous Item Response Theory Estimation Using Likelihood or Bayesian |
| sim_irt | Simulate Item Response Theory Data |
| sim_trt | Simulate Testlet Response Theory Data (Vector Supported Version) |
| trt_binary | Unidimensional Binary (Dichotomous) Testlet Response Theory Estimation |
| trt_poly | Unidimensional Polytomous Testlet Response Theory Estimation |