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

Malia Hassenbein · Accepted Answer

Final Answer : A, Explanation :  The scientist is likely trying to eliminate experimenter bias, which refers to the researcher's unconscious influence on the study due to their expectations or beliefs. By having a third person score the tests, this eliminates the potential for the scientist's biases to influence the results. Sample bias refers to a non-representative sample, control bias refers to errors in the control group, and treatment bias refers to errors in the treatment group.

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