Modeling rule-based item generation

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41 Citations (Scopus)


An application of a hierarchical IRT model for items in families generated through the application of different combinations of design rules is discussed. Within the families, the items are assumed to differ only in surface features. The parameters of the model are estimated in a Bayesian framework, using a data-augmented Gibbs sampler. An obvious application of the model is computerized algorithmic item generation. Such algorithms have the potential to increase the cost-effectiveness of item generation as well as the flexibility of item administration. The model is applied to data from a non-verbal intelligence test created using design rules. In addition, results from a simulation study conducted to evaluate parameter recovery are presented.
Original languageEnglish
Pages (from-to)337-359
Issue number2
Publication statusPublished - 2011


  • item generation
  • IR-85853
  • METIS-282123
  • Hierarchical modeling
  • Item Response Theory
  • Markov chain Monte Carlo method


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