Statistical methods in epidemiology. II: A commonsense approach to sample size estimation.

@article{Rigby1998StatisticalMI,
  title={Statistical methods in epidemiology. II: A commonsense approach to sample size estimation.},
  author={Alan S Rigby and Andy Vail},
  journal={Disability and rehabilitation},
  year={1998},
  volume={20 11},
  pages={
          405-10
        }
}
PURPOSE It has been argued, by many, that mathematical formulae for estimating sample size are unnecessarily complex, so much so that researchers may be reluctant to seek statistical advice. METHOD This paper reviews methods of sample size estimation arguing that two formulae (one based on comparison of proportion of 'successes', the other based on comparison of means of normally distributed data) suffice for many situations. This paper argues the case by taking examples drawn mainly from… CONTINUE READING

Topics from this paper.

Citations

Publications citing this paper.
SHOWING 1-10 OF 19 CITATIONS

Telomeres in molecular epidemiology studies.

The Effects of Simplifying Assumptions in Power Analysis

VIEW 1 EXCERPT
CITES BACKGROUND