Daniel Rehfeldt

4 Questions 11 Answers 0 Followers

Questions related from Daniel Rehfeldt

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

18 February 2021 3,448 4 View

Which apect(s) of validity are adressed, when comparing expert ratings and student ratings of textbook quality?

Hi there, I'm wondering, which aspects of validity (e.g. Messick, 1995) I covered, when I was investigating on differences in evaluation of textbook quality. I therefore asked experts (of...

12 February 2016 3,185 9 View

How can I compare latent means in CFA without taking multiple groups or logitudinal measurement?

I'd like to compare the means of some factors in my CFA, but these are all fixed to zero. What can I do?

12 February 2016 503 12 View

How to calculate Standard Error of Raykovs Rho reliability coefficient...?

I'm trying to calculate the SE, but I don't know how to realize it. It's a reliability coefficient for CFA (computed in lavaan, R). Any ideas?

27 January 2016 403 2 View