Markdown: 'Markdown' rendering for R, 2015. ,
Sample size used to validate a scale: A review of publications on newly-developed patient reported outcomes measures, Health and Quality of Life Outcomes, vol.12, 2014. ,
Mokken scale analysis in R, Journal of Statistical Software, vol.20, issue.11, pp.1-19, 2007. ,
The basics of item response theory using R, 2017. ,
Scaling unobservable constructs in social science, Journal of the Royal Statistical Society: Series C (Applied Statistics), vol.47, issue.1, pp.1-13, 1998. ,
Applying the Rasch model: Fundamental measurement in the human sciences, 2015. ,
Measuring the mind: Conceptual issues in contemporary psychometrics, 2005. ,
Latent variable theory. Measurement: Interdisciplinary Research and Perspectives, vol.6, pp.25-53, 2008. ,
A network theory of mental disorders, World Psychiatry: Official Journal of the World Psychiatric Association (WPA), vol.16, issue.1, pp.5-13, 2017. ,
Kinds versus continua: A review of psychometric approaches to uncover the structure of psychiatric constructs, Psychological Medicine, vol.46, issue.08, pp.1567-1579, 2016. ,
The brief illness perception questionnaire, Journal of Psychosomatic Research, vol.60, issue.6, pp.631-637, 2006. ,
Overview of classical test theory and item response theory for the quantitative assessment of items in developing patient-reported outcomes measures, Clinical Therapeutics, vol.36, issue.5, pp.648-662, 2014. ,
The future of outcomes measurement: Item banking, tailored short-forms, and computerized adaptive assessment, Quality of Life Research, vol.16, issue.1, pp.133-141, 2007. ,
The patient-reported outcomes measurement information system (PROMIS) developed and tested its first wave of adult self-reported health outcome item banks, Journal of Clinical Epidemiology, vol.63, issue.11, pp.1179-1194, 2005. ,
Mirt: A multidimensional item response theory package for the R environment, Journal of Statistical Software, 2012. ,
Standards and guidelines for validation practices: Development and evaluation of measurement instruments, Validity and validation in social, behavioral, and health sciences, pp.9-24, 2014. ,
Is Rasch model analysis applicable in small sample size pilot studies for assessing item characteristics? An example using PROMIS pain behavior item bank data, Quality of Life Research, vol.23, issue.2, pp.485-493, 2014. ,
The use and reporting of cluster analysis in health psychology: A review, British Journal of Health Psychology, vol.10, issue.3, pp.329-358, 2005. ,
What Is coefficient alpha?: An examination of theory and applications, Journal of Applied Psychology, vol.78, issue.1, pp.98-104, 1993. ,
State of the art personality research: A tutorial on network analysis of personality data in R, Journal of Research in Personality, vol.54, pp.13-29, 2015. ,
Scale quality: Alpha is an inadequate estimate and factor-analytic evidence is needed first of all, Health Psychology Review, vol.11, issue.3, pp.242-247, 2017. ,
From alpha to omega: A practical solution to the pervasive problem of internal consistency estimation, British Journal of Psychology, vol.105, issue.3, pp.399-412, 2014. ,
Estimating psychological networks and their accuracy: A tutorial paper, Behavior Research Methods, pp.1-18, 2017. ,
Cluster analysis, 2011. ,
Construct validation in social and personality research: Current practice and recommendations, Social Psychological and Personality Science, 2017. ,
Factor analysis in the development and refinement of clinical assessment instruments, Psychological Assessment, vol.7, issue.3, pp.286-299, 1995. ,
Increasing the sensitivity of measures to change, Prevention Science : The Official Journal of the Society for Prevention Research, vol.16, issue.7, pp.978-986, 2015. ,
Toward a science of learning systems: A research agenda for the high-functioning learning health system, Journal of the American Medical Informatics Association, vol.22, issue.1, pp.43-50, 2015. ,
Improved responsiveness and reduced sample size requirements of PROMIS physical function scales with item response theory, Arthritis Research & Therapy, vol.13, 2011. ,
What Is sufficient evidence for the reliability and validity of patient-reported outcome measures? Value in Health, vol.10, pp.94-105, 2007. ,
Reproducible research with R and R studio, 2013. ,
Congeneric and (essentially) Tau-equivalent estimates of score reliability: What they are and how to use them, Educational and Psychological Measurement, vol.66, issue.6, pp.930-944, 2006. ,
Advanced analytic and statistical methods in health psychology, Health Psychology Review, vol.11, issue.3, pp.217-221, 2017. ,
Item response theory and health outcomes measurement in the 21st century, Medical Care, vol.38, issue.9, pp.28-42, 2000. ,
Selection of unidimensional scales from a multidimensional item bank in the Polytomous Mokken I RT model, Applied Psychological Measurement, vol.19, issue.4, pp.337-352, 1995. ,
Improving the evaluation of therapeutic interventions in multiple sclerosis: The role of new psychometric methods, Health Technology Assessment, issue.12, pp.1-177, 2009. ,
An empirical study of reporting practices concerning measurement validity, Educational and Psychological Measurement, vol.64, issue.5, pp.802-812, 2004. ,
Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives, Structural Equation Modeling: A Multidisciplinary Journal, vol.6, issue.1, pp.1-55, 1999. ,
Random measurement error and regression dilution bias, BMJ, vol.340, 2010. ,
Reporting practices in confirmatory factor analysis: An overview and some recommendations, Psychological Methods, vol.14, issue.1, pp.6-23, 2009. ,
Validity of the sickness impact profile Roland scale as a measure of dysfunction in chronic pain patients, Pain, vol.50, issue.2, pp.157-162, 1992. ,
A note on the relation between factor analytic and item response theory models, Structural Equation Modeling: A Multidisciplinary Journal, vol.15, issue.1, pp.136-153, 2008. ,
Estimation of and confidence interval formation for reliability coefficients of homogeneous measurement instruments, Methodology, vol.8, issue.2, pp.39-50, 2012. ,
Sweave: Dynamic generation of statistical reports using literate data analysis, Compstat 2002 -proceedings in computational statistics, pp.575-580, 2002. ,
Confirmatory factor analysis with ordinal data: Comparing robust maximum likelihood and diagonally weighted least squares, Behavior Research Methods, vol.48, issue.3, pp.936-949, 2016. ,
Sample size and item calibration or person measure stability, Rasch Measurement Transactions, vol.7, issue.4, 1994. ,
Sample size in factor analysis, Psychological Methods, vol.4, pp.84-99, 1999. ,
Cluster: Cluster analysis basics and extensions, 2017. ,
Extended Rasch modeling: The eRm package for the application of IRT models in R, Journal of Statistical Software, vol.20, issue.9, 2007. ,
Unpublished rating scales: A major source of bias in randomised controlled trials of treatments for schizophrenia, The British Journal of Psychiatry, vol.176, issue.3, pp.249-252, 2000. ,
Individual-patient monitoring in clinical practice: Are available health status surveys adequate?, Quality of Life Research, vol.4, issue.4, pp.293-307, 1995. ,
Analyzing psychopathology items: A case for nonparametric item response theory modeling, Psychological Methods, vol.9, issue.3, pp.354-368, 2004. ,
A practical guide to check the consistency of item response patterns in clinical research through person-Fit statistics examples and a computer program, Assessment, vol.23, issue.1, pp.52-62, 2016. ,
The short-form McGill pain questionnaire, Pain, vol.30, issue.2, pp.91074-91082, 1987. ,
The COSMIN checklist for assessing the methodological quality of studies on measurement properties of health status measurement instruments: An international Delphi study, Quality of Life Research, vol.19, issue.4, pp.539-549, 2010. ,
, Psychometric theory, 1994.
Measurement in health psychology: Combining theory, qualitative, and quantitative methods to do it right: Methods in health psychology symposium VI. The European Health Psychologist, vol.18, pp.235-246, 2016. ,
EQ-SD: A measure of health status from the EuroQol group, Annals of Medicine, vol.33, issue.5, pp.337-343, 2001. ,
R: A language and environment for statistical computing, 2013. ,
ISOQOL recommends minimum standards for patient-reported outcome measures used in patient-centered outcomes and comparative effectiveness research, Quality of Life Research, vol.22, issue.8, pp.1889-1905, 2013. ,
Item response theory fundamentals, applications, and promise in psychological research, Current Directions in Psychological Science, vol.14, issue.2, pp.95-101, 2005. ,
Psych: Procedures for psychological, psychometric, and personality research, 2017. ,
Coefficients alpha, beta, omega, and the glb: Comments on sijtsma, Psychometrika, vol.74, issue.1, p.145, 2009. ,
Ltm: An R package for latent variable modeling and item response analysis, Journal of Statistical Software, issue.5, p.17, 2007. ,
A study of the natural history of back pain. Part I: Development of a reliable and sensitive measure of disability in low-back pain, Spine, vol.8, issue.2, pp.141-144, 1983. ,
Lavaan: An R package for structural equation modeling, Journal of Statistical Software, vol.48, issue.2, pp.1-36, 2012. ,
Modern perspectives of measurement validation emphasize justification of inferences based on patient-reported outcome scores: Seventh paper in a series on patient reported outcomes, Journal of Clinical Epidemiology, 2016. ,
Current methodological considerations in exploratory and confirmatory factor analysis, Journal of Psychoeducational Assessment, vol.29, issue.4, pp.304-321, 2011. ,
Mokken scale analysis: Between the Guttman scale and parametric item response theory, Political Analysis, vol.11, issue.2, pp.139-163, 2003. ,
On the Use, the misuse, and the very limited usefulness of Cronbach's alpha, Psychometrika, vol.74, issue.1, p.107, 2009. ,
Nonparametric polytomous IRT models for invariant item ordering, with results for parametric models, Psychometrika, vol.63, issue.2, pp.183-200, 1998. ,
Introduction to nonparametric item response theory, 2002. ,
Tackling measurement problems with item response theory, Journal of Business Research, vol.57, issue.2, pp.302-304, 2004. ,
The World Health Organization's WHOQOL-BREF quality of life assessment: Psychometric properties and results of the international field trial. A report from the WHOQOL group, Quality of Life Research, vol.13, issue.2, pp.299-310, 2004. ,
Mokken scale analysis of mental health and wellbeing questionnaire item responses: A non-parametric IRT method in empirical research for applied health researchers, BMC Medical Research Methodology, vol.12, 2012. ,
Minimum sample size requirements for Mokken scale analysis, Educational and Psychological Measurement, vol.74, issue.5, pp.809-822, 2014. ,
Assessment of self-reported physical activity in patients with chronic pain: Development of an abbreviated roland-morris disability scale, The Journal of Pain, vol.5, issue.5, pp.257-263, 2004. ,
A (very) short introduction to R, 2014. ,
Item response theory: How Mokken scaling can be used in clinical practice, Journal of Clinical Nursing, vol.21, pp.2736-2746, 2012. ,