Fanny su posted on Saturday, December 16, 2017 - 11:56 pm
Hello ~ In my syntax, I need to set: 1. the discrimation parameter equals to 1 for each item and each group. 2. the thresholds are the same for each group 3. only one group's factor mean equals to zero and the other is free to estimate
But I failed..., Can you help me? Thanks!
MODEL: %OVERALL% f BY u1-u8@1; f; [u1$1-u8$1]; %c#1% [f]; %c#2% [f];