When are measurements in research considered reliable?
A) when they are correlated
B) when they are consistent or repeatable
C) when they measure what they were supposed to measure
D) when they are accurate and relevant

Question

Quizplus · Accepted Answer

Reliability in research refers to the consistency and repeatability of measurements. If measurements are consistent over time and across different researchers or methods, then they are considered reliable. Correlation (A) indicates an association between two variables, but it does not necessarily guarantee reliability. Similarly, accuracy and relevance (D) are important aspects of measurement validity, but they do not guarantee reliability. While measuring what was supposed to be measured (C) is a crucial aspect of validity, it does not necessarily guarantee reliability either.

When Are Measurements in Research Considered Reliable