Applying cognitive debriefing to pre-test patient-reported outcomes in older people with multiple sclerosis

[1] Leidy NK(2008)Perspectives on patient-reported outcomes: content validity and qualitative research in a changing clinical trial environment Pharmacoeconomics 26 363-370

[2] Vernon M(2009)Recommendations on evidence needed to support measurement equivalence between electronic and paper-based patient-reported outcome (PRO) measures: ISPOR ePRO good research practices task force report Value in Health 12 419-429

[3] Coons SJ(2000)Applying cognitive design principles to formatting HRQOL instruments Quality of Life Research 9 13-27

[4] Gwaltney CJ(1993)Effect of questionnaire length, respondent-friendly design, and a difficult question on response rates for occupant-addressed census mail surveys Public Opinion Quarterly 57 289-304

[5] Hays RD(2002)Listening to respondents: A qualitative assessment of the Short-Form 36 Health Status Questionnaire Social Science and Medicine 54 11-21

[6] Lundy JJ(2004)A qualitative validation of the Minnesota living with heart failure questionnaire Quality of Life Research 13 417-426

[7] Sloan JA(2005)A comparison of health utility measures for the evaluation of multiple sclerosis treatments Journal of Neurology, Neurosurgery and Psychiatry 76 58-63

[8] Revicki DA(2003)Pretesting survey instruments: An overview of cognitive methods Quality of Life Research 12 229-238

[9] Mullin PA(2003)Cognitive aspects of survey methodology and quality of life assessment Quality of Life Research 12 217-218

[10] Lohr KN(2000)Validation of the Frenchay Activities Index in a general population aged 16 years and older Archives of Physical Medicine and Rehabilitation 81 1034-1038

[1] Leidy NK(2008)Perspectives on patient-reported outcomes: content validity and qualitative research in a changing clinical trial environment Pharmacoeconomics 26 363-370

[2] Vernon M(2009)Recommendations on evidence needed to support measurement equivalence between electronic and paper-based patient-reported outcome (PRO) measures: ISPOR ePRO good research practices task force report Value in Health 12 419-429

[3] Coons SJ(2000)Applying cognitive design principles to formatting HRQOL instruments Quality of Life Research 9 13-27

[4] Gwaltney CJ(1993)Effect of questionnaire length, respondent-friendly design, and a difficult question on response rates for occupant-addressed census mail surveys Public Opinion Quarterly 57 289-304

[5] Hays RD(2002)Listening to respondents: A qualitative assessment of the Short-Form 36 Health Status Questionnaire Social Science and Medicine 54 11-21

[6] Lundy JJ(2004)A qualitative validation of the Minnesota living with heart failure questionnaire Quality of Life Research 13 417-426

[7] Sloan JA(2005)A comparison of health utility measures for the evaluation of multiple sclerosis treatments Journal of Neurology, Neurosurgery and Psychiatry 76 58-63

[8] Revicki DA(2003)Pretesting survey instruments: An overview of cognitive methods Quality of Life Research 12 229-238

[9] Mullin PA(2003)Cognitive aspects of survey methodology and quality of life assessment Quality of Life Research 12 217-218

[10] Lohr KN(2000)Validation of the Frenchay Activities Index in a general population aged 16 years and older Archives of Physical Medicine and Rehabilitation 81 1034-1038