I was wondering whether there are set clinically meaningful differences for these measures of stress, anxiety and depression in order to inform statistical power and/or sample size calculations.
If the focus is on anxiety and depression I would not use SF-36, which comprises 8 different dimensions with only a few questions about anxiety and depression. Other persons like SF-36 as opposed to me and writes that "For researchers interested in general mental health status, the SF-36 MH or MCS offers a strong measure of psychological symptoms prevalent among survivors of acute respiratory failure. For researchers interested in specific conditions, validated psychological instruments should be considered."Article The SF-36 Offers a Strong Measure of Mental Health Symptoms ...
I prefer many questions on a specific condition and think DASS is better.
- Badges
- Science topic
- Similar topics
- Mathematics
- Statistics
- Sampling Design
- Sample Size