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[유용한TIP] What Is the Halo Effect? | Definition & Examples
- 2023-10-17 16:18:23
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The halo effect occurs when our overall positive impression of a person, product, or brand is based on a single characteristic. If our first impression is positive, the subsequent judgments we make will be colored by this first impression.
Example: Halo effect
The halo effect is a common bias in performance appraisals. Supervisors often evaluate the overall performance of an employee on the basis of a single prominent characteristic. If an employee shows enthusiasm, this may influence the supervisor’s judgment, even if the employee lacks knowledge or competence in some areas. This may lead the supervisor to give them a higher rating due to their enthusiasm.
Because of the halo effect, one positive characteristic may overshadow all other aspects of the employee’s performance.
The halo effect can hamper our ability to think critically. It can be particularly problematic in decision-making contexts, such as job interviews and purchase decisions.
What is the halo effect?
The halo effect is a form of cognitive bias—a heuristic (or mental shortcut) that causes us to make snap judgments. In other words, the halo effect leads us to consider only one aspect of a person or a product in order to form a general opinion.
Snap judgments like these can help us navigate the world more seamlessly and make decisions faster, but they also put us at risk of poor decision-making.
When the halo effect is at play, a general evaluation of a person, or an evaluation of an aspect of their personality, influences how we view other, unrelated aspects of their personality. For example, if we consider someone to be attractive, we are more likely to assign them other positive qualities, such as intelligence, kindness, or honesty.
Overreliance on our first impressions can lead to poor decision-making since we are unable to consider all the facts available to us. A positive first impression can be misleading. For example, when you find out your coworker went to a prestigious university, you might assume they are more skilled than they actually are.
Like other forms of heuristics, the halo effect is unconscious and not intentional. Because it clouds our judgment, the halo effect can be a source of research bias.
Halo and horn effect
While the halo effect refers to positive evaluations, a similar spillover effect occurs when a negative first impression warps our perception.
The horn effect is the tendency for a negative impression made in one context to influence our judgment in another. This means that we focus only on negative qualities and exclude any positive ones.
Halo effect example
The halo effect is often used as a persuasion technique in marketing.
Example: Halo effect and consumer psychology
Suppose you are at the supermarket, trying to pick a snack. You see two granola bars, and one is labeled as organic. As you are health-conscious, you go for the organic one, thinking that it’s the better choice.
In reality, just because a product says it’s organic or has organic ingredients doesn’t mean it’s healthier. If you read the package, you would see that the organic bar is still high in sugar.
The halo effect influences how consumers judge the quality of products based upon a single product feature. By assigning a positive characteristic to their product, brands can influence customers’ perception of the overall quality of the product.
The halo effect can also explain brand loyalty and brand reputation.
Example: Halo effect and brand reputation
Your favorite technology brand releases a new smartphone. Because you are very satisfied with a laptop by the same brand that you bought a few years ago, you maintain that its other products must also be reliable and of high quality.
After a few weeks, customers start complaining about the smartphone’s battery. Even so, you think that it’s still a good brand, and this is just an exception.
A favorable experience with a company’s product creates a halo that casts the company as a whole in a positive light. This prior good reputation protects the company in times of crisis (for example, when a new product turns out to be a flop) and deflects some of the reputational damage.
Conversely, if several products fail, a negative halo (a horn effect) is created around the brand, which can be very difficult to overcome.
How to minimize the halo effect
Although you can’t entirely avoid cognitive biases like the halo effect, there are a few tips that can help you minimize its impact:
- Bear in mind that everyone is prone to biased thinking. Keep reminding yourself that first impressions are not always right and can lead us to misjudge others.
- Slow down your thinking process. We are more likely to fall for the halo effect when emotional or intuitive thinking takes over. Instead, make sure you have clear evidence for your evaluations. For example, in the context of performance reviews, supervisors use a list of criteria and objective data to ensure that they are evaluating each employee fairly.
- Seek input from others, particularly from a “devil’s advocate” or someone neutral to the situation. Talk to someone who isn’t afraid to disagree with you and is neutral when it comes to the person or subject at hand. Compare their opinions to your own to see if they recognize the same qualities in a person that you do.
Nikolopoulou, K. (2023, February 10). What Is the Halo Effect? | Definition & Examples. Scribbr. Retrieved October 16, 2023, from https://www.scribbr.com/research-bias/halo-effect/
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