| plink-package | IRT Separate Calibration Linking Methods | 
| act.mcm | ACT Mathematics Test 1997-1998 Multiple-Choice Model | 
| act.nrm | ACT Mathematics Test 1997-1998 Nominal Response Model | 
| as.irt.pars | irt.pars objects | 
| as.irt.pars-method | irt.pars objects | 
| as.irt.pars-methods | irt.pars objects | 
| as.poly.mod | poly.mod objects | 
| as.weight | Calibration Weights | 
| combine.pars | Combine Item Parameters for Multiple Groups | 
| dat.null-class | Class Combinations | 
| dgn | Unidimensional Mixed-Format Item Parameters | 
| drm | Dichotomous Response Model Probabilities | 
| drm-method | Dichotomous Response Model Probabilities | 
| drm-methods | Dichotomous Response Model Probabilities | 
| equate | IRT True Score and Observed Score Equating | 
| equate-method | IRT True Score and Observed Score Equating | 
| equate-methods | IRT True Score and Observed Score Equating | 
| get.prob | Extract Output Information | 
| gpcm | Generalized Partial Credit Model Response Probabilities | 
| gpcm-method | Generalized Partial Credit Model Response Probabilities | 
| gpcm-methods | Generalized Partial Credit Model Response Probabilities | 
| grm | Graded Response Model Probabilities | 
| grm-method | Graded Response Model Probabilities | 
| grm-methods | Graded Response Model Probabilities | 
| initialize-method | Class "irt.pars" | 
| irt.pars-class | Class "irt.pars" | 
| irt.prob-class | Class "irt.prob" | 
| is.irt.pars | Identify Class | 
| is.irt.prob | Identify Class | 
| is.link | Identify Class | 
| is.poly.mod | Identify Class | 
| is.sep.pars | Identify Class | 
| KB04 | Kolen - Brennan (2004) | 
| link-class | Class "link" | 
| link.ability | Extract Output Information | 
| link.con | Extract Output Information | 
| link.pars | Extract Output Information | 
| list.dat-class | Class Combinations | 
| list.mat-class | Class Combinations | 
| list.null-class | Class Combinations | 
| list.num-class | Class Combinations | 
| list.poly-class | Class Combinations | 
| mcm | Multiple-Choice Model Response Probabilities | 
| mcm-method | Multiple-Choice Model Response Probabilities | 
| mcm-methods | Multiple-Choice Model Response Probabilities | 
| md.mixed | Multidimensional Mixed-Format Tests | 
| mixed | Mixed-Format Response Probabilities | 
| mixed-method | Mixed-Format Response Probabilities | 
| mixed-methods | Mixed-Format Response Probabilities | 
| nrm | Nominal Response Model Probabilities | 
| nrm-method | Nominal Response Model Probabilities | 
| nrm-methods | Nominal Response Model Probabilities | 
| num.null-class | Class Combinations | 
| pars.null-class | Class Combinations | 
| plink | Separate Calibration | 
| plink-method | Separate Calibration | 
| plink-methods | Separate Calibration | 
| plot.irt.pars | Plot Item Stuff | 
| plot.irt.prob | Plot Item Stuff | 
| plot.list | Plot Item Stuff | 
| plot.sep.pars | Plot Item Stuff | 
| poly.mod-class | Class "poly.mod" | 
| read.bilog | Import Parameters from IRT Software | 
| read.bmirt | Import Parameters from IRT Software | 
| read.erm | Import Parameters from IRT Software | 
| read.icl | Import Parameters from IRT Software | 
| read.ltm | Import Parameters from IRT Software | 
| read.multilog | Import Parameters from IRT Software | 
| read.parscale | Import Parameters from IRT Software | 
| read.testfact | Import Parameters from IRT Software | 
| reading | Multi-Group Mixed-Format Reading Assessment | 
| reckase9 | Reckase MIRT Multidimensional Item Parameters | 
| sep.pars | Separate Item Parameters | 
| sep.pars-class | Class "sep.pars" | 
| sep.pars-method | Separate Item Parameters | 
| sep.pars-methods | Separate Item Parameters | 
| summary.irt.pars | Summarize Item Parameters/plink Output | 
| summary.link | Summarize Item Parameters/plink Output | 
| summary.list | Summarize Item Parameters/plink Output | 
| summary.sep.pars | Summarize Item Parameters/plink Output | 
| TK07 | Tong - Kolen (2007) |