I need to find the modification indices of my partial strong invariance but I do have some questions about it, this is my code:
model <- '
F1 =~ item_1 + item__3 +item_4 + item_6 + item_9
F2 =~ item_2 + item_5 + item_7 + item_8
model_fit <- cfa(model, data =my_data...
I'm doing a validation of a questionnaire for my thesis and I should investigate the validity of my test with others one. To do so I've been asked to calculate the correlation between two scale sand I'm a little confused on how to do it. I thought to use the pearson correlation but...