A standard yardstick measures 36 inches,but Sarah is using a "faulty" yardstick (one that measures 40 inches long)to measure the campers in her youth group.Sarah will not get a(n)____________ indication of height,but she will have a(n)____________ measure of height.
A) reliable; valid
B) consistent; accurate
C) valid; reliable
D) accurate; generalizable

Question

Quizplus · Accepted Answer

The term "valid" refers to whether a measure actually measures what it is supposed to measure. Since Sarah's faulty yardstick is still measuring length, it can still provide a valid measure of the campers' heights. However, the term "reliable" refers to whether a measure is consistent and free from error. Since Sarah's faulty yardstick is not measuring the standard 36 inches, it is not a reliable measure of height. Therefore, the best choice is C, where Sarah's faulty yardstick will not give a reliable indication of height, but it will still provide a valid measure of height.

A Standard Yardstick Measures 36 Inches,but Sarah Is Using a "Faulty