How many factors to choose in EFA PreviousNext
Mplus Discussion > Exploratory Factor Analysis >
 Yue Ma posted on Monday, November 20, 2017 - 4:18 pm

I am using EFA on 7 indicators, here is what I got:


Model / # of Parameters / Chi-Square / DF / P-Value

1-factor: 21, 255.255, 14, 0.0000
2-factor: 27, 12.945, 8, 0.1138
3-factor: 32, 1.338, 3, 0.7202

Models Compared / Chi-Square / DF / P-Value

1-factor against 2-factor: 233.179, 6, 0.0000
2-factor against 3-factor: 15.873, 5, 0.0072

Should I choose 2-factor model given that the p-value = 01138 is not significant for the 2-factor model, or should I choose 3-factor model given that 2-factor against 3-factor p=0.0072 is significant?

I also wonder how to count the number of parameters for EFA

Thank you!
 Bengt O. Muthen posted on Monday, November 20, 2017 - 4:35 pm
The 2-factor model fits so no need to use more factors.

EFA parameter counting is shown in our video and handout for Short course Topic 1 on our web site. See the Short Course video web page:
 Yue Ma posted on Monday, November 20, 2017 - 8:40 pm
Thank you, Dr. Muthen!
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