The formula for the reliability of a test in Classical Test Theory (CTT) uses which of the following elements?
A. True score variance
B. Error variance
C. Total variance
D. Standardized mean
E. Covariance
Choose the correct answer from the options given below:
1
A and C Only
2
C and E Only
3
A, B and C Only
4
A, B, C, and D Only