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Clinical and research databases in healthcare research

01 July 2008

Nurse Researcher


This paper reports on the experiences of two nurse researchers sampling from clinical and research databases for the purpose of research. The authors focus on their...

Survey postal questionnaire: optimising response and dealing with non-response

01 January 2009

Nurse Researcher

issues in research

In any survey, despite researchers’ best efforts in the use of scientific techniques, results can only be drawn and generalised based on the amount of information...

When is it safer to say nothing? Some considerations on biases in sampling

01 July 2004

Nurse Researcher


In nursing research, once one has a solid design, one has still to think about a sampling strategy and implementation. Too often, the paraphernalia of inferential...

A research routine to assess bias introduced by low response rates in postal surveys

01 October 2009

Nurse Researcher

issues in research

Low response rates to postal surveys potentially bias study results. We used three approaches to determine why 46 per cent of a sample were non-responders, and to...