It’s ten. For each question on your survey, you should have at least 10 respondents. And if you’re distributing the survey to more than one group (e.g., participants in a CME activity and representative non-participants), there should be at least 10 respondents per survey question per group.
Monthly Archives: June 2012
CE Measure just published our manuscript regarding effect size in CME assessment. In it, we compare traditional tests of statistical significance (e.g., t-test) with effect size measures and then provide a step-by-step guide for calculating Cohen’s d (one of the more popular effect size measures).
Check it out. Like this blog – all the information is free.
Twelve months. That’s the minimum recommendation by Tian et al for follow-up after CME to detect changes in physician behavior or their patients’ outcomes. Anything less than that may not be sufficient for new knowledge or skills to be incorporated into practice – or reconized in patient outcomes. Tian et al came to that conclusion in their systematic review of CME evaluations published between 2000-2006 (abstract). Although the authors admit that the data available doesn’t end the debate on appropriate follow-up period, what alternative justification are you using to determine your follow-up period?