Leng Song

5 Questions 8 Answers 0 Followers

Questions related from Leng Song

Is it typical to use CTT and IRT in testing the psychometric of a scale or one over the other?

My supervisor has suggested to use IRT after a long discussion around using CTT. I am confused as to ask whether to use both or one or the other. If I were to choose IRT only, which model should...

12 September 2018 5,525 11 View

Would anyone like to take part in my study?

It's a short, 10 minutes, online questionnaire guaging readiness for employment. It's designed for people with personality disorders, however anyone can take part as I am testing the psychometric...

25 July 2018 2,609 13 View

What are the similarities and comparisons between Mplus and R?

I am currently developing, validating and evaluating a measure. I have been advised by my one of my supervisors to use Mplus for the analysis. However, I have been doing some reading around R,...

11 April 2016 2,076 4 View

Hi, I am developing an Employment Scale for people with PD, do I have to run an EFA/CFA on non-clinical samples first?

I am struggling to find references for testing structural validity of a scale on non-clinical samples first, before running an EFA and CFA on people with personality disorders. I was told this is...

01 January 1970 5,103 2 View

What Delphi Method online tools are there?

Hi there, Can anyone recommend a Delphi method online tool that I can use? Mesydel.com has been recommended but you are not able to download it. I have been...

01 January 1970 8,347 19 View