| Sumario: | Sampling is a common methodological process undertaken in health research. The overall purpose of the sampling process is to identify a target population and then to draw a sample from the population using a sampling technique. Sampling can be unfamiliar to beginner researchers and consumers of research, such as rehabilitation nurses. Nonetheless, sampling and the chosen technique need consideration when designing a study and when appraising the research literature. This is due to the potential impact these processes can have on the external validity and overall quality of health research, impacting on the generalisability of the results. This paper is the first in a two-part series with the overall aim to aid the understanding of methods used in health research by beginner researchers and clinical nurses. In this paper sampling and sampling techniques are explored.
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