keywords: Test-retest reliability,Validity,Epidemiologic methods,Self-report,Colorectal cancer,Colonoscopy description: Lynch, Brigid M., Youlden, Danny R., Fritschi, Lin, Newman, Beth M. , Pakenham, Kenneth I., Leggett, Barbara, Owen, Neville, & Aitken, Joanne F. (2008) Self-reported information on the diagnosis of colorectal cancer was reliable but not necessarily valid. Journal of Clinical Epidemiology, 61(5), pp. 498-504. DC.date.modified: 2017-07-06