Which of the following is true about test reliability

A. Reliability can be tested through only test-retest method

B. Reliability of the test can be tested by split-half method or Alternate-form method

C. Inter-rater reliability is used when more than one rator is involved in evaluating the performance of others

D. Inter-rater reliability is used when there are only two rator to evaluate the performance of others

Choose the correct answer from the options given below: