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CFA with different response options
Confirmatory Factor Analysis
posted on Monday, September 16, 2013 - 7:08 pm
Is it methodologically sound to run a CFA to find the fit of two items with likert response options of 1,2,3 and 4 with one item that only has dichotomous response options of 1 and 2?
Linda K. Muthen
posted on Monday, September 16, 2013 - 8:14 pm
You can combine ordered categorical and binary items. With only three factor indicators, the model is just-identified so you will not be able to assess model fit.
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