CTT-package |
Classical Test Theory Functions |

CTT |
Classical Test Theory Functions |

CTTdata |
Example Multiple-Choice Data |

cttICC |
Function for producing theoretical and empirical item characteristic curves. |

CTTkey |
Example Multiple-Choice Key |

disattenuated.cor |
Function for disattentuated correlation |

distractor.analysis |
Function for item distractor analysis |

distractorAnalysis |
Function for item distractor analysis |

itemAnalysis |
Function for item reliability analysis |

polyserial |
Function for calculating polyserial correlations |

reliability |
Function for item reliability analysis |

score |
Function to score the response files |

score.transform |
Function for transforming scores onto different scales |

spearman.brown |
Functions for Spearman-Brown "Prophecy" Formula |

subscales |
Function to create subscales based on a design matrix |