Brendan Lam

3 Questions 4 Answers 0 Followers

Questions related from Brendan Lam

Can I use Item Response Theory (IRT) on a formative measurement model?

I have a measurement where the indicators influence/give rise to the construct. This makes it formative, however, I don't think I can apply IRT on formative measurement models. Can anyone confirm...

08 August 2019 4,171 3 View

How should I organize my data for test-retest reliability?

Hello everyone, I'm a beginning researcher that is trying to calculate the test-retest reliability of a 177-item questionnaire. I'm wondering if there are any useful tutorials or examples people...

04 April 2019 9,301 8 View

What should my sample size be when comparing multiple regression models between groups?

I'm comparing the regression models between two groups. I tried using G*Power to calculate my sample size (inputting a desired effect size of 0.3 and power of 0.8). However, I haven't been able to...

01 January 2019 9,583 4 View