Hidden Markov Item Response Theory Models for Responses and Response Times

Randomized Item Response Theory Models

The randomized response (RR) technique is often used to obtain answers on sensitive questions. A new method is developed to measure latent variables using the RR technique because direct questioning leads to biased results. Within the RR technique is the probability of the true response modeled by an item response theory (IRT) model. The RR technique links the observed item response with the tr...

Item Response Theory

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pulp cap and pulp response

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Item Response Times in Computerized Adaptive Testing

Computerized adaptive testing (CAT) provides a score as well as item response times. However, the investigation of what additional meaning may result from response time information is of particular interest. Data from 5,912 young men on a computerized adaptive test were available. Earlier studies indicate longer response times for wrong responses. This was replicated in larger settings. However...

Comparing Multiunidimensional and Unidimensional Item Response Theory Models