Which of the following statements accurately describes test-retest reliability?
a. Measure of consistency of test scores over time
b. Measure of consistency of scores obtained from two equivalent halves of same test
c. Measure of consistency with which a test measures a single construct or concept
d. Measure of degree of agreement between two or more scorers, judges, or raters
a. Measure of consistency of test scores over time
b. Measure of consistency of scores obtained from two equivalent halves of same test
c. Measure of consistency with which a test measures a single construct or concept
d. Measure of degree of agreement between two or more scorers, judges, or raters