Computerized Adaptive Testing for Survey Research

Cat | Computerized Adaptive Testing Survey (catSurv) Object |

checkStopRules | Check if Stop and/or Override Rules are Met |

d1LL | The First Derivative of the Log-Likelihood |

d2LL | The Second Derivative of the Log-Likelihood |

estimateSE | Standard Error of Ability Parameter Estimate |

estimateTheta | Estimate of the Respondent's Ability Parameter |

estimateThetas | Estimates of Ability Parameters for a Dataset of Response... |

expectedKL | Expected Kullback-Leibler Information |

expectedObsInf | Expected Observed Information |

expectedPV | Expected Posterior Variance |

fisherInf | Fisher's Information |

fisherTestInfo | Fisher's Test Information |

getters | Methods for Accessing 'Cat' Object Slots |

gpcm_cat | gpcm Cat Object |

gpcmCat | Computerized Adaptive Testing Generalized Partial Credit... |

grm_cat | grm Cat Object |

grmCat | Computerized Adaptive Testing Graded Response Model |

likelihood | Likelihood of the Specified Response Set |

likelihoodKL | Expected Kullback-Leibler Information, Weighted by Likelihood |

lookAhead | Look Ahead to Select Next Item |

ltm_cat | ltm Cat Object |

ltmCat | Computerized Adaptive Testing Latent Trait Model |

makeTree | Make Tree of Possible Question Combinations |

nfc | Need For Cognition |

npi | Narcissistic Personality Inventory |

obsInf | Observed Information |

polknowMT | MTurk Political Knowledge |

polknowTAPS | TAPS Political Knowledge |

posteriorKL | Expected Kullback-Leibler Information, Weighted by the Prior |

prior | Evaluate the Prior Density Distribution at Position 'x' |

probability | Probability of Responses to a Question Item or the... |

selectItem | Select Next Item |

setters | Methods for Setting Value(s) to 'Cat' Object Slots |

simulateThetas | Simulates Estimates of Ability Parameters for a Dataset of... |

storeAnswer | Update Answer to Single Item |

tpm_cat | tpm Cat Object |

tpmCat | Computerized Adaptive Testing Birnbaum's Three Parameter... |

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