Statistical Methods in Medical Research presents a Special Issue on IRT in Medical Studies where new developments in this research area are...
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Research Master Methodology and Statistics for the Behavioural, Biomedical and Social Sciences (2013 - present). Survey Data...
Continue Reading →Why Item Response Theory should be used for longitudinal questionnaire data analysis in medical research
In the paper with Rosalie Gorter and Jos Twisk (BMC Medical Research Methodology, 15, 2015) we show the negative impact of using sum scores as...
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