Classical Test Theory Functions

CTTdata | Example Multiple-Choice Data |

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

CTTkey | Example Multiple-Choice Key |

CTT-package | Classical Test Theory Functions |

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 |

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