When you compare the observations of one observer with those of another you are checking
A) the practicality of an observation tool.
B) All of these.
C) the validity of an observation tool.
D) the reliability of an observation tool.

Question

Quizplus · Accepted Answer

When comparing observations from different observers, you are checking the reliability of an observation tool. Reliability refers to the consistency of a measure, meaning that different observers should produce similar results if the observation tool is reliable.

When You Compare the Observations of One Observer with Those