The Psychometrics Centre

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Upcoming Events

IRT and CAT using Concerto
7-9 August 2013, Cambridge, UK

BPS Certificates of Test Use
(formerly BPS Level A and B)
2-6  Sept 2013, Cambridge, UK

Summer School
August 2013, Cambridge, UK

Jumpstart Mplus
11-13 Sept 2013, Cambridge, UK

Modelling Patient-Reported Outcome Measures (PROMs)

In this Summer School held over 5 consecutive days, from 12th to 16th of September 2011, the instructors - Tim Croudace, Anna Brown, Jan Stochl (University of Cambridge) and Jan Böhnke (University of Trier) - introduced participants to advanced psychometric modelling of self-reported questionnaires, specifically concentrating on Patient-Reported Outcome Measures (PROMs).

The tutorial materials below can be used for learning psychometric principles involved in development, assessment, analysis and interpretation of data arising from self-report questionnaires. Each topic includes a brief statement of level / knowledge /software requirements, workshop slides, and materials for practical exercises.

Topic 1.  Introduction to health-related Quality of Life measures (Tim Croudace).  Level: beginner.

Topic 2.  Concepts of validity, reliability, sensitivity and generalisability  (Jan Stochl). Level: beginner. Software for practicals: R.

Topic 3.  Principles of measurement scales (Anna Brown). Level: beginner.

Topic 4.  Developing a questionnaire (Anna Brown. Level: beginner. No software is required for a practical exercise.

Topic 5.  Structure and quality of scales (Anna Brown). Level: intermediate.

Topic 6.  Factor analysis and basics of structural equation modelling (Jan Stochl). Level: intermediate. Software for practicals: Mplus (simple reference).

Topic 7.  Unidimensional IRT models for binary data  (Jan Boehnke). Level: intermediate. Software for practicals: R.

Topic 8.  Unidimensional IRT models for ordinal data  (Jan Boehnke). Level: intermediate to advanced. Software for practicals: R.

Topic 9.  Introduction to Multidimensional IRT models (Anna Brown. Level: advanced. Software for practicals: Mplus.

Topic 10.  Test scoring - classical, IRT, and approximated IRT methods (Anna Brown). Level: intermediate to advanced. Software for practicals: R and IRTScore.

Topic 11.  Measurement precision (Anna Brown). Level: intermediate to advanced. Software for practicals: R.

Topic 12.  Computer Adaptive Testing  (Jan Boehnke). Level: intermediate to advanced. Software for practicals: R.

Topic 13.  Measurement invariance and DIF  (Jan Boehnke). Level: advanced. Software for practicals: R and DIFAS (simple reference is here).