Please reflect on business leadership theory and find (using Web of Science or ProQuest for example) three papers (ideally from top-ranked journals) that used SEM. 

Address the following points in a synthesized set of paragraphs.

1) What are the measured constructs?
2) Why did the authors need to use SEM?
3) Comment on the validity of these constructs using the provided statistics and the guidelines for reporting SEM results (e.g., papers by Geffen)
4) Comment on the goodness of fit of these models using the provided fit statistics
5) Could the authors do a better job on reporting their SEM results?
6) Please organize in a scholarly way. Add section titles when necessary. Explain your logic and when appropriate, use external sources and use proper citations.