Factor Analysis Best Practices and Software Comparisons
Explore best practices in factor analysis, identify suitable software packages, and understand key concepts such as factor structure confirmation and fitness indices.
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Presentation Transcript
UNGRADED QUIZ Unit 3
Show me your fingers Do not shout out the answer, or your classmates will follow what you said. Use your fingers One finger (the right finger) = A Two fingers = B Three fingers = C Four fingers = D No finger = I don t know. I didn t study
Which of the following is a good practice of factor analysis? A. After running EFA, collect additional data for CFA. B. If I have a big data set, partition the sample into sub-samples for EFA and CFA. C. Besides running FA, also verify the factor structure based on theories. D. All of the above
Which software package cannot be used for CFA? A. SAS B. JMP Pro C. SPSS Statistics D. R
Which of the following statements is true? A. It is OK to have 2 items per factor. B. It is OK to use a single item as long as it is treated as an observed item. C. If there are only 2 items in a factor, the degree of freedom is zero. D. All are true.
Which of the following is true? A. It is good to see a small p value in CFA so that the null hypothesis can be rejected. B. If RMSEA is .9, it means 90% variance is unexplained. C. In a comparative fitness index, the proposed model is compared against the null model. D. All of the above are true.
Which of the following type of fitness index is recommended? A. Absolute B. Parsimony C. Incremental D. All are good
Unlike EFA, the objective of CFA is to confirm the factor structure and to check the fitness/error. There is no room for exploration. A. True B. False C. I don t know D. I don t care
