Q.Assertion (A) : Test retest is the method used to test the reliability of the measurement instrument. Reason (R) : The measurement of instrument to collect data should have both reliability & validity. Codes :
Correct answer: Both (A) and (R) are true, but (R) is not the correct explanation of (A)
Explanation
Test retest in the method used to test the reliability of the measurement instrument. This kind of reliability used to determine consistency of a test across time. Test retest reliability is measured by administrating a test twice at two different point in time.
Test retest in the method used to test the reliability of the measurement instrument. This kind of reliability used to determine consistency of a test across time. Test retest reliability is measured by administrating a test twice at two different point in time.