Böhm, P., Peña-Casanova, J., Aguilar, M., Hernández, G., Sol, J. M. and Blesa, R. (1998). Clinical validity and utility of the interview for deterioration of daily living in dementia for Spanish-speaking communities NORMACODEM Group. International Psychogeriatrics, 10, 261–270.
Bouwens, S. F., van Heugten, C. M. and Verhey, F. R. (2009). Association between cognition and daily life functioning in dementia subtypes. International Journal of Geriatric Psychiatry, 24, 764–769.
Chapparo, C. and Ranka, J. (2006). The PRPP System of Task Analysis: User's Training Manual. Research Edition. Sydney: OP Network.
Cook, D. A. and Beckman, T. J. (2006) Current concepts in validity and reliability for psychometric instruments: theory and application. American Journal of Medicine, 119, 166.e7–16.
Demers, L., Oremus, M., Perrault, A., Champoux, N. and Wolfson, C. (2000). Review of outcome measurement instruments in Alzheimer's disease drug trials: psychometric properties of functional and quality of life scales. Journal of Geriatric Psychiatry and Neurology, 13, 170–180.
Desai, A. K., Grossberg, G. T. and Sheth, D. N. (2004). Activities of daily living in patients with dementia: clinical relevance, methods of assessment and effects of treatment. CNS Drugs, 18, 853–875.
Erkinjuntti, T., Hokkanen, L., Sulkava, R. and Palo, J. (1988). The Blessed Dementia Scale as a screening test for dementia. International Journal of Geriatric Psychiatry, 3, 267–273.
Frost, M. H., Reeve, B. B., Liepa, A. M., Stauffer, J. W. and Hays, R. D., for the Mayo / FDA Patient-Reported Outcomes Consensus Meeting Group (2007). What is sufficient evidence for the reliability and validity of patient-reported outcome measures? Value Health, 10 (Suppl. 2), S94–S105.
Galasko, D. et al. (1997). An inventory to assess activities of daily living for clinical trials in Alzheimer's disease: the Alzheimer's Disease Cooperative Study. Alzheimer Disease and Associated Disorders, 11 (Suppl. 2), S33–39.
Gauthier, S. et al. (2010). Effects of donepezil on activities of daily living: integrated analysis of patient data from studies in mild, moderate and severe Alzheimer's disease. International Psychogeriatrics, 22, 973–983.
Georges, J., Jansen, S., Jackson, J., Meyrieux, A., Sadowska, A. and Selmes, M. (2008). Alzheimer's disease in real life: the dementia carer's survey. International Journal of Geriatric Psychiatry, 23, 546–551
Graff, M. J., Vernooij-Dassen, M. J., Thijssen, M., Dekker, J., Hoefnagels, W. H. and Rikkert, M. G. (2006). Community-based occupational therapy for patients with dementia and their care givers: randomised controlled trial. BMJ, 33, 1196.
Kline, R. B. (1998). Principles and Practice of Structural Equation Modelling. New York: Guildford Press.
Moniz-Cook, E. et al. for the INTERDEM Group (2008). A European consensus on outcome measures for psychosocial intervention research in dementia care. Aging and Mental Health, 12, 14–29.
National Collaborating Centre for Mental Health (2007). Dementia: A NICE-SCIE Guideline on Supporting People with Dementia and their Carers in Health and Social Care. National Clinical Practice Guideline no. 42 (commissioned by the Social Care Institute for Excellence and the National Institute for Health and Clinical Excellence). London: The British Psychological Society and Gaskell.
Nott, M., Chapparo, C. and Heard, R. (2008). Reliability of the Perceive, Recall, Plan and Perform System of Task Analysis: a criterion-referenced assessment. Australian Occupational Therapy Journal (online).
Roth, M. et al. (1986). CAMDEX: a standardised instrument for the diagnosis of mental disorder in the elderly with special reference to the early detection of dementia. British Journal of Psychiatry, 149, 698–709.
Sikkes, S. A., de Lange-de Klerk, E. S., Pijnenburg, Y. A., Scheltens, P. and Uitdehaag, B. M. (2009). A systematic review of Instrumental Activities of Daily Living scales in dementia: room for improvement. Journal of Neurology, Neurosurgery, and Psychiatry, 80, 7–12.
Sousa, V. D. and Rojjanasrirat, W. (2011) Translation, adaptation and validation of instruments or scales for use in cross-cultural health care research: a clear and user-friendly guideline. Journal of Evaluation in Clinical Practice, 17, 268–274. doi: 10.1111/j.1365-2753.2010.01434.x.
Teunisse, S. and Derix, M. M. (1997). The interview for deterioration in daily living activities in dementia: agreement between primary and secondary carers. International Psychogeriatrics, 9 (Suppl. 1), 155–162.
Teunisse, S., Derix, M. M. and van Crevel, H. (1991). Assessing the severity of dementia: patient and carer. Archives of Neurology, 48, 274–277.
van Nes, F., Abma, T., Jonsson, H. and Deeg, D. (2011) Language differences in qualitative research: is meaning lost in translation? European Journal of Ageing, 7, 313–316. doi: 10.1007/s10433-010-0168-y.
Voigt-Radloff, S. and Hüll, M. (2011). Daily functioning in dementia: pharmacological and non-pharmacological interventions demonstrate small effects on heterogeneous scales – a synopsis of four health technology assessments of the German Institute for Quality and Efficiency in Health Care regarding the endpoint activities of daily living. Psychiatrische Praxis. Epublished ahead of print [in German]