Test construction requires that tests have both validity and reliability. If reliability of a test is perfect (1.00), what is the standard error of measurement?
A)0)0
B)1)00
C)Cannot be calculated
D)The standard deviation of scores

Question

Quizplus · Accepted Answer

Standard error of measurement would be 0.0 if a test had perfect reliability. Calculating standard error of measurement is one way of estimating reliability, so a theoretical test with perfect reliability has no standard of error. In reality, no test would have perfect reliability.

Test Construction Requires That Tests Have Both Validity and Reliability