Please help me with the fallowing questions, its been very difficult for me. I will really appreciate if you can help me with these two questions. Thank you so much in advance!

Item analysis:

A. describes and evaluates characteristics of items of a scale

B. provides information about each item's performance

C. provides valuable information about which items are ambiguous, unhelpful, or problematic and can be revised or deleted.

D. All of the above.

E. None of the above.

When a scale developer uses factor analysis, she or he

A. is interested in how much variance is accounted for by each factor

B, finds out how much item contributes to variance of each factor by looking at the loadings.

C. is very happy to see item loadings above .70.

D. uses exploratory factor analysis for brand new scales and confirmatory factor analysis for scales where there is already data on their dimensionality or factor structure.

E. All of the above.

F. None of the above.