Search query:

Filter by date

Results 1 - 2 of 2 Search Tips

Confidence interval for statistical power using a sample variance estimate

01 September 2013

Nurse Researcher

Hypothesis testing

Aims To improve estimation of statistical power by constructing its confidence interval. Background Statistical power is often computed using a sample variance...

Fundamentals of estimating sample size

18 May 2016

Nurse Researcher

Quantitative research

Background Estimating sample size is an integral requirement in the planning stages of quantitative studies. However, although abundant literature is available that...