What Are the Two Decisions to Be Made in Deciding

Multiple Choice

What are the two decisions to be made in deciding how to score an index?

A) how many items and the desirable range of index scores
B) the desirable range of index scores and the assignment of scores for each response
C) the assignment of scores for each response and which statistics to use
D) which statistics to use and how many items
E) number of items and assignment of scores to each item