EDUCATION (CBSE/UGC NET)

Detailed explanation-1: -The reliability of an assessment tool is the extent to which it consistently and accurately measures learning. The validity of an assessment tool is the extent by which it measures what it was designed to measure.

Detailed explanation-2: -Reliability is maintaining the level of quality over time. Consistency is making sure every system is as consistent as possible. Accuracy allows the system to do what it’s supposed to do within a very tight bandwidth of performance characteristics.

Detailed explanation-3: -Reliability refers to whether an assessment instrument gives the same results each time it is used in the same setting with the same type of subjects. Reliability essentially means consistent or dependable results. Reliability is a part of the assessment of validity.

Detailed explanation-4: -Reliability is the degree to which an assessment tool produces stable and consistent results.

Detailed explanation-5: -Reliability refers to the consistency of a measure (whether the results can be reproduced under the same conditions). Validity refers to the accuracy of a measure (whether the results really do represent what they are supposed to measure).