The term halo effect refers to the tendency to overgeneralize the evaluation of an individual's positive or negative qualities, such that the individual is regarded as chiefly good or chiefly bad, when in fact not enough information is known to accurately apply a positive or negative label to specific qualities. In short, the halo effect occurs when one assumes that an individual with one or two positive traits must have mostly positive qualities in all areas of functioning. Educational psychologists consider the halo effect a cognitive attribution bias, as it involves the unfounded application of general judgment to specific traits.

Halo Effect in the Classroom

In the classroom, teachers are subject to the halo effect rating error when evaluating their students. For example, a teacher who sees ...

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