A measurement instrument that gives similar results each time it is used is said to be
A) reliable.
B) valid.
C) justifiable.
D) precise.

Question

Quizplus · Accepted Answer

Reliability refers to the consistency of results obtained from an instrument, so if a measurement instrument gives similar results each time it is used, it is considered to be reliable. Validity, on the other hand, refers to whether an instrument measures what it is supposed to measure, while precision refers to the degree of exactness in the measurement. Justifiability is not a relevant term in this context.

A Measurement Instrument That Gives Similar Results Each Time It