title: Reliability and validity of self-report: on the importance of considering context.
authors.affiliation: National Addiction Centre, London, UK.
authors.forename: E
authors.initials: E
authors.lastname: Finch
authors.forename: J
authors.initials: J
authors.lastname: Strang
mesh_terms: D003625:Data Collection / Q000706:statistics & numerical data; D015340:Epidemiologic Research Design; D006801:Humans; D008131:London; D015203:Reproducibility of Results; D015819:Substance Abuse, Intravenous / Q000453:epidemiology* / Q000523:psychology; D014342:Truth Disclosure