A scientist, conducting a research study on sleep and learning, questions her own objectivity and decides to let a third person, not associated with conducting the experiment, score the tests. The scientist is probably trying to eliminate ________ bias.
A) experimenter
B) sample
C) control
D) treatment

Question

Quizplus · Accepted Answer

The scientist's decision to have a third person score the tests is an attempt to eliminate experimenter bias - the potential influence of the scientist's own biases and expectations on the study outcomes.

A Scientist, Conducting a Research Study on Sleep and Learning