As the reliability of an instrument increases, the standard error of measurement _______.
A)decreases
B)increases
C)could either increase or decrease
D)is unaffected

Question

As the reliability of an instrument increases, the standard error of measurement _______. ​
A)decreases
B)increases
C)could either increase or decrease
D)is unaffected

Quizplus · Accepted Answer

As the reliability of an instrument increases, the standard error of measurement decreases because the standard error of measurement is inversely related to the square root of the reliability coefficient.

As the Reliability of an Instrument Increases, the Standard Error