Which of the following is correct explanation about a test?
A. Reliability is sufficient.
B. Validity is sufficient.
C. Reliability and validity are not essential.
D. Reliability is essential but not sufficient.
Answer:B
Which of the following is correct explanation about a test?
A. Reliability is sufficient. B. Validity is sufficient. C. Reliability and validity are not essential. D. Reliability is essential but not sufficient.