Report

Skarupova, Katerina (2014) Computer-assisted and online data collection in general population surveys. Lisbon: European Monitoring Centre for Drugs and Drug Addiction.

Book

Pope, Catherine and Mays, Nicholas and Popay, Jennie (2007) Synthesizing qualitative and quantitative research: a guide to methods. Berkshire: Open University Press .

Tabachnick, Barbara G and Fidell, Linda S (2007) Using multivariate statistics. London: Pearson .

Datta, Saroj and Lyon, Ian and Mackintosh, Bundy and McLannahan, Heather and Murphy, Kerry and Naish, Peter and Nettle, Daniel and Romero, Ignacio and Toates, Frederick and Whatson, Terry (2006) Beyond reasonable doubt: a guide to designing experiments in the behavioural sciences. Milton Kenyes: The Open University .

Woodward, Mark (2005) Epidemiology: Study design and data analysis. Florida: Chapman and Hall .

Armitage, P and Berry, G and Matthews, JNS (2002) Statistical methods in medical research. Massachusetts: Blackwell Science .

Lucey, Terry (2002) Quantitative techniques. London: Thompson .

Altman, Douglas G and Machin, David and Bryant, Trevor N and Gardner, Martin J (2000) Statistics with confidence: Confidence intervals and statistical guidelines. London: BMJ Books .

Swinscow, T D V and Campbell, M J (1996) Statistics at square one. London: BMJ Publishing .

Hirsch, Robert P and Riegelman, Richard K (1996) Statistical operations: Analysis of health research data. Massachusetts: Wiley-Blackwell .

Bland, Martin (1995) An introduction to medical statistics. New York: Oxford University Press .

Altman, Douglas G (1991) Practical statistics for medical research. Florida: CRC Press .