Epidemiology for nutritionists: 2. Sampling

Elwood, Peter Creighton 1983. Epidemiology for nutritionists: 2. Sampling. Human Nutrition Applied Nutrition 37 (4) , pp. 265-269.

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Abstract

There are two major objectives in sampling for a research study. The first is the avoidance of bias due to selection: to achieve this a random sample must be drawn and a high response rate achieved. The second objective is to achieve an efficient use of resources by selecting a sample of a size sufficient to detect an effect of clinical importance yet not so large that effects too small to be of interest are detected. Both these aspects will be discussed here.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	British Dietetic Association
ISSN:	0263-8495
Last Modified:	10 Jun 2023 01:28
URI:	https://orca.cardiff.ac.uk/id/eprint/73324

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