Ilham Ikhtiar

2 Questions 2 Answers 0 Followers

Questions related from Ilham Ikhtiar

How do you actually calculate sample size for ordinal data?

Ordinal data provides non-dichotomous and multi-levelled outcome. It is widely used in medical scoring systems. However, being "ordinal" means that author can't just simplify outcome result by...

02 November 2022 5,137 4 View

Can I calculate a mean and SD from a scoring system?

I'm planning to analyze sleep quality using Pittsburgh Sleep Questionnaire Index (PSQI) score and assessing insomnia severity using Insomnia Severity Index (ISI). I've seen at least three dozen...

01 January 1970 6,755 4 View