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The halo effect refers to the idea that a person or attribute considered highly (or lowly) valued in one aspect becomes highly (or lowly) valued in some other aspect unrelated to the original assessment. Consider, for example, a person who receives a high (or low) evaluation in some domain, such as the ability to shoot a basketball, based on performance. The “halo” of a positive evaluation as a basketball shooter might then be applied to the ability of the person to drive a motorcycle. The evaluator, without any evidence or performance information regarding motorcycle driving, assigns a high (or low) value to that person based on the person’s basketball performance. The justification for the positive (or negative) evaluation of the ability to operate a ...

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