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Mplus Discussion > Categorical Data Modeling >
 Keith D. Wright posted on Saturday, March 21, 2015 - 4:39 am
I have data related to a 5-option 60-question multiple choice exam. The outcome is binary (1/0). I would like to conduct EFA, prior to CFA. I am sure Mplus can handle this as I already purchased the software after some research. My question should the data be presented to Mplus....I have a data file as:

Q1 Q2 Q3 Q4 .......Q60
1 0 1 0 1
0 1 0 1 0
1 1 1 0 1

Is this correct structure for the data file for Mplus?

-Thanks Keith
 Bengt O. Muthen posted on Saturday, March 21, 2015 - 8:56 am
The columns are indeed the items so you should have 60 of them.
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