When is the Spearman-Brown prophecy formula used?
A) To estimate how reliable a scale would be with more items
B) To estimate how reliable a scale would be with fewer items
C) To estimate how valid a scale would be with more items
D) To estimate how valid a scale would be with fewer items
Question 2
Missing values codes must be ones that have not been used for actual pieces of information.
A) True
B) False