Classical Test Theory (CTT) Analysis
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Documentation for package ‘classicaltest’ version 0.7.5
Help Pages
| alphatest | Reliability measures |
| classicaltest | Classical test theory item and person statistics |
| correct | Scoring correct/incorrect answers |
| ctitem | Classical test theory item statistics |
| ctperson | Classical test theory person statistics |
| ctsem.alpha | Standard error of measurement (SEM) |
| ctsem.split | Standard error of measurement (SEM) |
| dichodata | Simulated multiple choice data with 1000 cases, and 20 items |
| dichokey | Keys for dichodata |
| dichotomize | Dichotomize data |
| discrimination | Item discrimination |
| distractors | Distractor statistics |
| itemmean | Item mean scores |
| partialdata | Simulated multiple choice data with 1000 cases, and 20 items and partial credits |
| partialkey | Keys for partialdata |
| pointbiserial | Point-biserial correlation |
| polydata | Simulated polytomous items data with 1000 cases, and 20 items |
| splithalf | Reliability measures |
| stcov | Population and sample (co)variance |