What is the minimum sample size for conducting factor analysis​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​?

1​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​.) Let us use this module’s Discussion to develop our conceptual understanding of factor analysis. In particular, let’s first differentiate between Exploratory Factor Analysis and Confirmatory Factor Analysis. Provide an example.2.) When developing a questionnai​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​re to see the relationship between the items in the questionnaire and underlying dimensions, we will use factor analysis to test the construction. Could we use it for testing survey validity? Why?3.) What is the minimum sample size for conducting factor analysis​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​?