Saeid Shahraz

2 Questions 7 Answers 0 Followers

Questions related from Saeid Shahraz

How to perform Factor Analysis and IRT of a questionnaire with staged questions?

Hello RG community, I have a questionnaire to validate. Most of the questions are so-called gated: ex. Do you have symptom XX? a. Yes, b.No. If yes, proceed to the next question: How much does...

04 September 2019 1,722 4 View

Can any one provide ideas about the best possible 'anchor' to investigate clinically meaningful changes in mild cognitive impairment?

Hello, The problem is that cogntivie and functional instruements used for detecting congitive or functional improvement or decrement in patients with mild cognitive impairment or early dementia...

20 August 2018 136 5 View