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 __________.

A) experimenter bias
B) sample bias
C) control bias
D) treatment bias

Question

Nisha Rose' · Accepted Answer

Final Answer : A, Explanation :  The scientist is trying to eliminate experimenter bias by having someone who is not associated with conducting the experiment score the tests. Experimenter bias occurs when the experimenter's expectations or beliefs influence the results of the study. By having a third person with no vested interest in the study score the tests, the scientist can help ensure that the results are objective and not influenced by her own biases.

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