World Health Organization Disability Assessment Schedule II (WHO-DAS II). [http://www.who.int/icidh/whodas/]
World Health Organization. International Classification of Functioning, Disability and Health. [http://www.who.int/classifications/icf/en/]
Baron M, Schieir O, Hudson M, Steele R, Kolahi S, Berkson L, Couture F, Fitzcharles MA, Gagné M, Garfield B, Gutkowski A, Kang H, Kapusta M, Ligier S, Mathieu JP, Ménard H, Starr M, Stein M, Zummer M: The clinimetric properties of the World Health Organization Disability Assessment Schedule II in early inflammatory arthritis. Arthritis Rheum. 2008, 59: 382-390. 10.1002/art.23314.
Article
PubMed
Google Scholar
Chávez LM, Canino G, Negrón G, Shrout PE, Matías-Carrelo LE, Aguilar-Gaxiola S, Hoppe S: Psychometric properties of the Spanish Version of Two Mental Health Outcome Measures: World Health Organization Disability Assessment Schedule II and Lehman's Quality of Life Interview. Ment Health Serv Res. 2005, 7: 145-159. 10.1007/s11020-005-5783-4.
Article
PubMed
Google Scholar
Chisolm TH, Abrams HB, McArdle R, Wilson RH, Doyle PJ: The WHO-DAS II: psychometric properties in the measurement of functional health status in adults with acquired hearing loss. Trends Amplif. 2005, 9: 111-126. 10.1177/108471380500900303.
Article
PubMed
PubMed Central
Google Scholar
Chwastiak LA, Von Korff M: Disability in depression and back pain: evaluation of the World Health Organization Disability Assessment Schedule (WHO DAS II) in a primary care setting. J Clin Epidemiol. 2003, 56: 507-514. 10.1016/S0895-4356(03)00051-9.
Article
PubMed
Google Scholar
Hudson M, Steele R, Taillefer S, Baron M, the Canadian Scleroderma Research Group: Quality of life in systemic sclerosis: psychometric properties of the World Health Organization Disability Assessment Schedule II. Arthritis Rheum. 2008, 59: 1128-1136. 10.1002/art.23914.
Article
Google Scholar
Luciano JV, Ayuso-Mateos JL, Fernández A, Serrano-Blanco A, Roca M, Haro JM: Psychometric properties of the twelve item World Health Organization Disability Assessment Schedule II (WHO-DAS II) in Spanish primary care patients with a first major depressive episode. J Affect Disord. 2010, 121: 52-58. 10.1016/j.jad.2009.05.008.
Article
PubMed
Google Scholar
McKibbin C, Patterson TL, Jeste DV: Assessing disability in older patients with schizophrenia: results from the WHODAS-II. J Nerv Ment Dis. 2004, 192: 405-413. 10.1097/01.nmd.0000130133.32276.83.
Article
PubMed
Google Scholar
Pösl M, Cieza A, Stucki G: Psychometric properties of the WHO-DAS II in rehabilitation patients. Qual Life Res. 2007, 16: 1521-1531. 10.1007/s11136-007-9259-4.
Article
PubMed
Google Scholar
Hays RD, Morales LS, Reise SP: Item response theory and health outcomes measurement in the 21st century. Med Care. 2000, 38 (Suppl 9): II28-42.
CAS
PubMed
PubMed Central
Google Scholar
Rabe-Hesketh S, Skrondal A: Classical latent variable models for medical research. Stat Methods Med Res. 2008, 17: 5-32. 10.1177/0962280207081236.
Article
PubMed
Google Scholar
Reise SP, Waller NG: Item response theory and clinical measurement. Annu Rev Clin Psychol. 2009, 5: 25-46. 10.1146/annurev.clinpsy.032408.153553.
Article
Google Scholar
Chang Ch, Reeve BB: Item response theory and its applications to patient-reported outcomes measurement. Eval Health Prof. 2005, 28: 264-282. 10.1177/0163278705278275.
Article
PubMed
Google Scholar
Sachs J, Law YK, Chan CKK: A non parametric item analysis of a selected item subset of the Learning Process Questionnaire. Br J Educ Psychol. 2003, 73: 395-423. 10.1348/000709903322275902.
Article
PubMed
Google Scholar
Pollard B, Dixon D, Dieppe P, Johnston M: Measuring the ICF components of impairment, activity limitations and participation restriction: an item analysis using classical test theory and item response theory. Health Qual Life Outcomes. 2009, 7: 41-10.1186/1477-7525-7-41.
Article
PubMed
PubMed Central
Google Scholar
Mokken RJ: A theory and procedure of scale analysis. 1971, The Hague: Mouton
Book
Google Scholar
Molenaar IW: Thirty years of nonparametric Item Response Theory. Appl Psychol Meas. 2001, 25: 295-299. 10.1177/01466210122032091.
Article
Google Scholar
Vázquez-Barquero JL, Vázquez Bourgón E, Herrera Castanedo S, Saiz J, Uriarte M, Morales F, Gaite L, Herrán A, Ustün TB: Spanish version of the new World Health Organization Disability Assessment Schedule II (WHO-DAS-II): initial phase of development and pilot study. Cantabria disability work group. Actas Esp Psiquiatr. 2000, 28: 77-87.
PubMed
Google Scholar
Orlando M, Reeve BB: Applying item response theory (IRT) modelling to questionnaire development, evaluation, and refinement. Qual Life Res. 2007, 16: 5-18. 10.1007/s11136-007-9198-0.
Article
Google Scholar
Santor DA, Ramsay JO: Progress in the technology of measurement: Applications of Item Response Models. Psych Assess. 1998, 10: 345-359. 10.1037/1040-3590.10.4.345.
Article
Google Scholar
Ramsay JO: Kernel-smoothing approaches to nonparametric item characteristic curve estimation. Psychometrika. 1991, 56: 611-630. 10.1007/BF02294494.
Article
Google Scholar
Ramsay JO: TestGraf: A program for the graphical analysis of multiple choice test and questionnaire data. [http://www.psych.mcgill.ca/faculty/ramsay/ramsay.html]
Santor DA, Ramsay JO, Zuroff DC: Nonparametric item analyses of the Beck Depression Inventory: Evaluating gender item bias and response option weights. Psych Assess. 1994, 6: 255-270. 10.1037/1040-3590.6.3.255.
Article
Google Scholar
Santor DA, Ascher-Svanum H, Lindenmayer JP, Obenchain Rl: Item response analysis of the Positive and Negative Syndrome Scale. BMC Psychiatry. 2007, 7: 66-10.1186/1471-244X-7-66.
Article
PubMed
PubMed Central
Google Scholar
Rehm J, Üstün B, Saxena S, Nelson CB, Chatterji S, Ivis F, Adlaf E: On the development and psychometric testing of the WHO screening instrument to assess disablement in the general population. Int J Methods Psychiatr Res. 1999, 8: 110-122. 10.1002/mpr.61.
Article
Google Scholar
Reise SP, Ainsworth AT, Haviland MG: Item response theory. Fundamentals, applications, and promise in psychological research. Curr Dir Psychol Sci. 2005, 14: 95-101. 10.1111/j.0963-7214.2005.00342.x.
Article
Google Scholar