Definition: Halo & Horns Effect (distortion due to individual features)
The Halo & Horns Effect describes the tendency to give excessive weight to a single characteristic or a distinctive characteristic of a person. As a result, a positive characteristic (halo effect) or a negative characteristic (horn effect) can distort that person's entire perception.
Examples of the Halo & Horns effect
Do you know that?
You can see on an applicant's resume that they studied at a renowned university such as Harvard or MIT. You automatically think he is particularly intelligent and capable — regardless of what other qualifications or experience he has.
Or vice versa: A candidate makes an uncertain first impression during a job interview. Without further information, you subconsciously attribute to her a lack of assertiveness or low resilience.
What is the reason for that?
This is due to the distortion caused by individual features
This bias is based on the tendency to infer overall performance from one aspect of good or poor performance. The impression gained about a person then influences how one assesses their overall character (Agarwal, 2018). A single characteristic of a person influences the entire perception of their personality.
Depending on how this trait is judged, it can then outshine or overshadow the overall impression formed of that person. This means that, figuratively speaking, you let a halo or devil's horns float over the person's head and arrive at a hasty verdict (Voss, 2014). Visiting an elite university in the example can cast a positive or negative light on the talents, depending on the assessment.
What else is a bias? We explain:
A bias generally describes a systematic distortion in human perception, thinking, or behavior. It is a type of “mental abbreviation” or bias that subconsciously influences our judgment and decision making.
These distortions can result from personal experiences, cultural influences, emotional states or evolutionary thought patterns. While they often help us make quick decisions, they can also lead to miscalculations and irrational decisions.
Other examples of biases in the HR process include:
- Confirmation Bias: The Confirmation Bias
We prefer information that supports our existing point of view and ignore conflicting information. - Primacy Effect: The First Impression Mistake
The first impression has a disproportionate influence on the overall assessment and is difficult to change. - Conformity Bias: The Adjustment Mistake
Adapting one's own decisions to group opinions due to fear of negative evaluation. - Affinity Bias (Mini-Me Effect): The Similarity Flaw
People who are similar to us are automatically rated more positively. - Status quo bias: favoring the existing
Existing conditions are preferred over changes, even if they would be beneficial. - Stereotypes/Gender/Racial Bias
Unconscious prejudices against marginalized groups influence decisions. - Illusory Correlation: The Perception of False Connections
False assumption of relationships between independent properties. - Contrast Bias: The Contrast Effect
Evaluation of a person in direct comparison with previous or successor rather than according to objective criteria. - Overconfidence Bias: The Trap of Overconfidence
Overestimation of one's own judgment and excessive reliance on “gut feeling.”
Identifying our own biases is the first step towards becoming more aware and more objective decisions within personnel selection to be able to meet.
How structured pre-selection helps avoid this distortion is shown by Aivy's assessment procedures.
This effect is one of 17 patterns that shape hiring decisions. The overview is in Unconscious Bias in Recruiting.
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