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The Halo Effect

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Shelby Martinez

on 29 September 2012

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Transcript of The Halo Effect

by Richard E. Nisbett and Timothy D. Wilson The Halo Effect 118 undergraduate students from the University of Michigan, 62 males and 56 females, enrolled in an introductory psychology course Participants and Institute involved The "halo effect" or "halo error" is a cognitive bias
in which our judgements of a person's character can be influenced by our overall impression of him or her. concept Tested Independent Variable Procedures Psychological Community Impacts in the corporate world: Impacts Cont. Years of study and Year published This particular study was published in 1977, however, it has been studied countless times since the theory was since introduced in 1920 by Edward Thorndike. Hypothesis Control Group Experimental Group Operational Definition Dependent Variable Results The students will rate the instructor as having a more physical appearance, more attractive mannerisms, and a more attractive accent when he acts likeable instead of unlikeable. The groups of students, randomly assigned, watching the video where the same instructor acted more unlikeable. The groups of students, randomly assigned, watching the video where the same instructor acted in a more likeable manner. Likeability, including physical appearance, mannerisms, and accents, was being measured in this experiment. The overall impression, or likeability, of the instructor. The video of the instructor acting more likeable and open. A substantial majority of the students who saw the instructor acting in a more likeable way rated his physical appearance and mannerisms higher than the students who had seen the same instructor portrayed in an unlikeable way. Further Research This experiment proved that Thorndike's theory was an actual human tendency, not just a correlation. Additionally, it proved that this human attribute is subconscious because the students had no idea that they were coming to these realizations about the entire standing of a person based on an overall impression. Further research has tested the "halo effect" with non-human subjects, including food. A Cornell study in 2012 showed that people gravitated more towards Subway than McDonald's when given coupons for both because Subway advertises its healthy, yet large food servings. Employee performance evaluations are often subjected to the "halo effect". Many people have been proven to give better evaluations to employees that have a more attractive personality and physical appearance, compared to those that are more harsh. Politicians employ the "halo effect" in campaigning to win over the public, and to avoid talking about the major political issues.
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