If an event such as the murder trial of O.J.Simpson occurred during an experiment which changes the subjects' outcome scores, the effect on the experiment would be known as the

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Quizplus · Accepted Answer

A history effect refers to the impact of external events or circumstances that affect the outcome of an experiment. The O.J. Simpson murder trial is an example of a history effect because it could potentially impact the subjects' scores in the experiment, even if they are not directly related. For example, if the trial is highly publicized and emotionally charged, it could affect the mood or perceptions of the subjects, thus impacting their scores. The other answer choices (histrionic effect, contamination effect, regression effect) do not accurately describe the impact of an external event on an experiment.

If an Event Such as the Murder Trial of O