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Assessing Fit of the Lognormal Model for Response Times
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Sinharay, Sandip; van Rijn, Peter W. – Journal of Educational and Behavioral Statistics, 2020
Response time models (RTMs) are of increasing interest in educational and psychological testing. This article focuses on the lognormal model for response times, which is one of the most popular RTMs. Several existing statistics for testing normality and the fit of factor analysis models are repurposed for testing the fit of the lognormal model. A…
Descriptors: Educational Testing, Psychological Testing, Goodness of Fit, Factor Analysis
Assessing Fit of the Lognormal Model for Response Times
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Sinharay, Sandip; van Rijn, Peter – Grantee Submission, 2020
Response-time models are of increasing interest in educational and psychological testing. This paper focuses on the lognormal model for response times (van der Linden, 2006), which is one of the most popular response-time models. Several existing statistics for testing normality and the fit of factor-analysis models are repurposed for testing the…
Descriptors: Educational Testing, Psychological Testing, Goodness of Fit, Factor Analysis
A New Person-Fit Statistic for the Lognormal Model for Response Times
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Sinharay, Sandip – Journal of Educational Measurement, 2018
Response-time models are of increasing interest in educational and psychological testing. This article focuses on the lognormal model for response times, which is one of the most popular response-time models, and suggests a simple person-fit statistic for the model. The distribution of the statistic under the null hypothesis of no misfit is proved…
Descriptors: Reaction Time, Educational Testing, Psychological Testing, Models
A New Person-Fit Statistic for the Lognormal Model for Response Times
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PDF on ERIC Download full text
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Sinharay, Sandip – Grantee Submission, 2018
Response-time models are of increasing interest in educational and psychological testing. This paper focuses on the lognormal model for response times (van der Linden, 2006), which is one of the most popular response-time models, and suggests a simple person-fit statistic for the model. The distribution of the statistic under the null hypothesis…
Descriptors: Reaction Time, Educational Testing, Psychological Testing, Models
On the Issue of Item Selection in Computerized Adaptive Testing with Response Times
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Veldkamp, Bernard P. – Journal of Educational Measurement, 2016
Many standardized tests are now administered via computer rather than paper-and-pencil format. The computer-based delivery mode brings with it certain advantages. One advantage is the ability to adapt the difficulty level of the test to the ability level of the test taker in what has been termed computerized adaptive testing (CAT). A second…
Descriptors: Computer Assisted Testing, Reaction Time, Standardized Tests, Difficulty Level