Question

Distinguish between ‘reliability’ and ‘validity’

Answer 1

Answer:

reliability refers to the consistency of scores obtained by an individual on the same test in two different occasions.

the test reliability is of two types:-

(a) test re-test reliability:- it indicates the temporal stability or the stability of scores over a period of time.

(b) split-half reliability:- it indicates the degree of internal consistency of the test.

however, for a test to be usable it should be valid. validity refers to the question. does the test measure what is claims to measure?

hope it helps u ….

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