Tanya O'Garra

2 Questions 5 Answers 0 Followers

Questions related from Tanya O'Garra

SEM and small sample size - how to choose between models?

I have is a small dataset of 150 observations (villages) and quite a complex model with 6 variables and 13 paths. This results in 23 parameter estimates (q) (including coefficients, constants and...

30 July 2021 2,855 3 View

If there is a collider (in a structural equation model, or path diagram) involving parents that co-vary - is it okay to control for it?

For example, I am interested in the influence of X on Y via Z and W, and the path(s) look like: X>Z>Y and X>W>Z Here Z is the possible collider variable - I say 'possible' because its parents...

05 March 2021 9,702 6 View