The halo effect is a fallacy that unnoticeably influences our daily life. And therefore also on our gaming behavior. First, let’s take a look at Rob and Erik. They turned eighteen and they go to Holland Casino (Amsterdam center) for the first time .

Rob and Erik walk directly to the roulette table almost immediately upon arrival . They play ten rounds, eight of which Rob successfully completes and makes a profit. Erik, on the other hand, loses all the money he took to play. When he turned in frustration on the last round, he also got a glass of water over him from an awkwardly passing woman.

Halo effect

Rob has fond memories of the casino visit and the roulette game. Erik wants to go to the casino again, but he doesn’t like roulette. Next time he looks for his success with the slots . It is a simple example of the halo effect.

Simply explained, you could consider the halo effect as the result of a first impression. Officially, it says that when someone perceives some positive things, someone assumes that other things are also positive. So it doesn’t necessarily have to be a first impression, but it often is.

Assess people

An example often given in explaining the halo effect is the assessment of a person. You may already have an idea of ​​Rob and Erik from the above. That is why the halo effect already works. But this would be the much given example, who do you judge the most favorably with the description below:

Erik – intelligent – diligent – impulsive – critical – stubborn – jealous

Rob – jealous – opinionated – critical – impulsive – diligent – intelligent

Most people turn out to be the most positive about Erik. Strange, because Rob’s properties are exactly the same. They are only reversed, putting the least positive trait in front. But it could be that you already chose Rob because he is a winner in the earlier story and you saw Erik as a ‘clumsy loser’ who has lost all his money .


The halo effect is mainly a result of laziness. We have to process so much information every day that our brains especially want to do it quickly. Contradictory assessment is difficult and time consuming, we want a coherent story quickly. So if the first assessment is positive, the rest will also be positive.

Psychologists and others discussing the halo effect usually give examples around individuals. However, this fallacy also works with all kinds of other things that we form an opinion about, such as products, companies and plans. Of course people often play a role in this. After a previously bad plan from Kees or Marianne, you don’t expect much from the plan you get from them afterwards.

Consequences of halo effect

The halo effect can have special consequences. For example, many people value the opinion of a singing celebrity about a serious subject more than that of an expert. Because the celebrity is good at one thing, he will also be good at the other.

The same happens due to the halo effect for jobs and professions. People move on to positions for which they do not have the capabilities, just because they made a good impression in their previous position.

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