Table 5. Factor analysis of skills on pattern matrix among participants.

Extraction method: principal component analysis, Rotation method: oblimin with Kaiser normalization.

Pattern Matrix	Component
	1	2	3
Which of the following bur is more suitable for occlusal reduction?	0.819
Which of the following burs is used to eliminate undercut caused during access cavity preparation?	0.758
What is the form of retention in endocrowns?	0.747
Which of the following challenges might you encounter throughout the endocrown process?	0.528
Can you name the following preparation technique?		0.848
Can you name the following preparation technique?		0.671
What type of radiograph should be taken to evaluate the adaptation of endocrowns?		0.633	0.444
Have you had any hands-on experience with placing endocrowns during your clinical training?			0.876
What is the procedure for placing an endocrown?	0.430		−0.508