Suppose during an experiment,a researcher used several observers to record the results.The results of the experiment were perplexing to the researcher.In such a case one might expect ___________ to have occurred,distorting the results of the experiment.
A)maturation
B)history
C)instrument variation
D)mortality
E)selection bias

Question

Quizplus · Accepted Answer

Instrument variation can occur when different observers (instruments in this context) record results differently, leading to inconsistencies and potentially perplexing outcomes in an experiment.

Suppose During an Experiment,a Researcher Used Several Observers to Record