---
title: [Infographic] 50 useful cognitive biases in marketing
description: What are the 50 cognitive biases useful in marketing? Come and understand with this infographic how the brain of your customers works.
image: https://inbound.lasuperagence.com/hubfs/50%20biais%20cognitifs%20utiles%20dans%20le%20marketingv2.png
---

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---

 29 September

# \[Infographic\] 50 useful cognitive biases in marketing

Did you know that by adding a strawberry to the top of a cake you can trick people into thinking that the cake has fewer calories than it actually does? It's called a **cognitive bias**.

Cognitive biases are **psychological deviations** that **prevent us from rationally processing information**. Usually **unconscious**, this form of **false logic** thinking influences our judgments, perceptions, and even our memory!

[![New call-to-action](https://no-cache.hubspot.com/cta/default/1753382/f8a8c2c0-e397-46e4-8635-23368541daf5.png)](https://cta-redirect.hubspot.com/cta/redirect/1753382/f8a8c2c0-e397-46e4-8635-23368541daf5)

The amazing thing about cognitive biases is that even knowing about them, you can't help but fall for them. Take for example **the anchoring effect**, used systematically during **sales**. If you see that a jacket was worth €299 and it's on sale for €49, you'll probably buy it... even though you know for a fact that it was never worth €299!"

If you are a marketer you probably don't consider yourself to be  a psychologist. Yet, **understanding how the brain works can help you persuade your audience**.

So here are 50 cognitive biases that might be useful to you in Marketing, divided into 6 categories: memory, social, learning, belief, fashion and politics.

###### [![Infographic Cognitive Biases](https://inbound.lasuperagence.com/hs-fs/hubfs/50%20biais%20cognitifs%20utiles%20dans%20le%20marketingv2.png?width=1920&name=50%20biais%20cognitifs%20utiles%20dans%20le%20marketingv2.png)](https://inbound.lasuperagence.com/hubfs/50%20biais%20cognitifs%20utiles%20dans%20le%20marketingv2.png) Infographic on cognitive biases inspired by [Titlemax](https://www.titlemax.com/discovery-center/lifestyle/50-cognitive-biases-to-be-aware-of-so-you-can-be-the-very-best-version-of-you/)

## Bias #1: Fundamental attribution error

Other people's actions reflect their character but our own may **depend on context**.

*My neighbor chose this painting because it is naive. Me, I picked it because of the promotion.*

## Bias #2: Self-complacency

Our failures (unlike our successes) are **not our responsibility**.

*My marketing campaign failed because customers didn't understand anything about what was expected of them.*

## Bias #3: Intragroup

We view **members of our group** more favorably than those who are excluded.

*I have interviewed my family and unlike you, we agree: this product will be a hit!*

## Bias #4: The hype

**Aggregation of a behavior** once many other people adopt it.

*It's really about time I bought that last smartphone that all my friends have.*

## Bias #5: Groupthink

Due to a **desire for harmony in the group**, we make irrational decisions.

*I don't want to offend my client or my boss, so I'll make it look like a computer failure.*

## Bias #6: The halo effect

An individual is judged positively if he or she exhibits **attributes previously judged positive**.

*What a handsome man, that salesman! I'm sure what he's telling me is the pure truth.*

## Bias #7: Moral luck

An individual receives blame/praise for an act, even if it was **not totally intended**.

*We perform better than our competitors because we have more human values.*

## Bias #8: False consensus effect

Tendency to **overestimate the degree of agreement** that others have with us.

*Everyone knows that milk is good for you.*

## Bias #9: Curse of knowledge

Once we learn something, we assume that **everyone else knows it too**.

*I just saw my first webinar on [SEO](https://inbound.lasuperagence.com/astuces-seo-2020)! What do you mean, what is it?? Ignorant!"*

*[![Call-to-action ebook visibilité Internet](https://no-cache.hubspot.com/cta/default/1753382/b937e693-54a8-4c96-9dd2-c97cd9fd0387.png)](https://cta-redirect.hubspot.com/cta/redirect/1753382/b937e693-54a8-4c96-9dd2-c97cd9fd0387)*

## Bias #10: Projector effect

**We overestimate the attention** people pay to our behavior and appearance.

*I can't wear these shoes to the webinar. Everyone will see that they are not shined!*

## Bias #11: Heuristic availability

Our decisions are **based on current information**, which we always have in mind.

*I just saw an ad for X, I'll probably buy it as I walk past the shelf.*

## Bias #12: Identifiable victim effect

We feel more empathy when we can **identify with a victim**.

*The professional in this ad has the same problem I do. His solution should work for me too.*

## Bias #13: Belief in a just world

Some events are seen as intended to **punish or reward a previous act**.

*I got lucky this morning! It was probably because of the donation I made to the red cross.*

## Bias #14: Naive realism

We believe we **observe reality objectively** but that others observe it in a biased way.

*"The enemy is stupid: he believes that we are the enemy when it is he!" (Desprosges).*

## Bias #15: Naive cynicism

**People expect more self-centeredness** from others than is actually the case.

*If this brand is doing a promotion now, it's probably to rip me off afterwards.*

## Bias #16: Barnum Effect

Consists of giving a **personal meaning** to a text that can be applied to anyone.

*Look, I just got an email telling me I won $100 because I am a very special customer!*

## Bias #17: Dunning-Kruger effect

The less qualified **overestimate their skills** and the more qualified underestimate them.

*Advertising doesn't work on me, I've seen every episode of "Pub Culture!"*

## Bias #18: Anchoring effect

The **first information received** is used as a **reference** to judge subsequent ones.

*This product was worth 990€ but during 24H, it is reduced to 490€ \[its usual price, Editor's note\]. This is a great deal.*

## Bias #19: Automation

We favor **decisions from automated systems** even if they are obviously incorrect.

*My spellchecker says "supposed to" not "sensible". So that's the correct wording.*

*![We favor decisions from automated systems.](https://inbound.lasuperagence.com/hs-fs/hubfs/biais-cognitif-automatisation.jpg?width=1920&name=biais-cognitif-automatisation.jpg)*

###### Contrary to what we think, machines are not always right.

## Bias #20: Digital Amnesia

We tend to **forget about easily accessible** information via search engines.

*This woman in this commercial is my favorite actress! Her name is...uh...wait I'm checking Google.*

## Bias #21: Reacting

Desire to **do the opposite** of what is dictated by others to prove our freedom of spirit.

*You all tell me that electric is the future. So I'll keep my old diesel car.*

## Bias #22: Hypothesis confirmation

We tend to believe and remember information **confirming our perceptions**.

*Do you eat meat? You're crazy, it's not good for your health. They say it everywhere.*

## Bias #23: Backfire effect

We refute logical evidence if it **would invalidate our beliefs**.

*The government communicates heavily about seatbelt use in cars. Probably a hoax.*

## Bias #24: Third person effect

People believe that **mass media influences others** more than themselves.

*You're really naive to believe what you're told on the news!*

## Bias #25: Belief bias

We primarily judge an argument based on its **alignment with our beliefs**.

*What this ad says is probably wrong, but it clearly goes along with my beliefs. So I'm relaying it!*

## Bias #26: Cascading availability

The more **repeated** a belief is, the more **plausible** it is considered.

*I'm not going to buy this baby potty. I hear it has razor blades in it!*

## Bias #27: Declinism

Belief that a society or institution **is inexorably moving toward decline**.

*I love this product. It reminds me of that time when we still knew how to make beautiful things.*

## Bias #28: Status quo

We prefer things to stay the same. The **change** is considered a **loss**.

*This service doesn't work every other time! Still, I'll keep it, I've gotten used to it.*

## Bias #29: Sunk costs

We invest in a project **until time that investment can be justified**.

*This investment has been costing me money for 5 years. I'm not going to stop it now to gain nothing!*

*![We invest in a project until time that investment can be justified.](https://inbound.lasuperagence.com/hs-fs/hubfs/biais-cognitif-couts-irrecuperables.jpg?width=1920&name=biais-cognitif-couts-irrecuperables.jpg)*

###### These costs are neither refundable nor recoverable by any other means.

## Bias #30: Player Sophism

We believe that past events have an **incidence on future possibilities**.

*It's been a year since I won anything at this game of chance. Inevitably, I'm going to win in not too long!"*

## Bias #31: Zero risk

We would rather have **small, certain profits** than larger but less certain profits.

*I'm going to put all my savings in gold. It's safe, gold!*

## Bias #32: Framing effect

We react differently to messages depending on **how they are presented to us**.

*81% of their customers are satisfied? Must be a good brand \[that has 19% unhappy customers, Editor's note\].*

## Bias #33: Stereotype bias

Beliefs about a group that are **generalized to all members of that group**.

*This product references Star Wars. Therefore, it is intended for children.*

## Bias #34: Homogeneity effect

In contrast to the members of our group, **the members of other groups look the same**.

*I'm not going to buy this product: it's pink, so it's for women!*

## Bias #35: Principle of authority

We trust and are more often influenced by the ideas of **authority figures**.

*The gentleman in the white coat talking in this commercial tells me it's good for my health so I believe it.*

## Bias #36: Placebo effect

Improved health **not attributable to treatment**.

*Since I've been eating this trace element yogurt, I feel significantly better!*

## Bias #37: Survivor bias

We focus on the success of a process but **neglect the failures preceding** that success.

*The private space industry is doing very well. Look at the success of SpaceX!*

## Bias #38: Perception of time

**We perceive time differently** after trauma or considerable effort.

*I don't understand anything about this commercial, it seems to go on forever!*

## Bias #39: Parkinson's Law of Futility

We place **too much emphasis on trivial matters** and avoid complex problems.

*I absolutely have to get my tax problem sorted out...what's new on Netflix?*

## Bias #40: Zeigarnik Effect

**We remember unfinished tasks** more than completed ones.

*Three weeks I've been going to the gym and I still don't see an effect in the mirror...*

## Bias #41: IKEA effect

We place **more value** on things that we **partly created ourselves**.

*Can I customize my mug?! Wow!"*

*![bias-cognitive-effect-IKEA](https://inbound.lasuperagence.com/hs-fs/hubfs/biais-cognitif-effet-IKEA.jpg?width=799&name=biais-cognitif-effet-IKEA.jpg)*

###### At The Super Agency, we are not immune to the IKEA effect.

## Bias #42: Benjamin Franklin Effect

After **performing a service for someone**, we are convinced that they are **appreciative**.

*I took the questionnaire from this bank. I'll be happy to buy insurance there.*

## Bias #43: Witness effect

The more witnesses, **the less likely they are to help the victim**.

*This product seems dangerous to me for children and nothing is marked. Surely someone will respond!"*

## Bias #44: Suggestibility

We fill in the gaps in some memories with **information suggested** beforehand.

*A two-year warranty extension as I committed to? Oh yeah, okay, if you say so.*

## Bias #45: False memories

We mistake our imagination **for real memories**.

*I am twenty years old and remember Y2K perfectly.*

## Bias #46: Cryptomnesia

We think we are producing an original idea **without remembering having read it before**.

*I just had a great idea! I'm going to have our meal delivered directly from our restaurant.*

## Bias #47: Series Illusion

Tendency to **falsely perceive coincidences** in random data.

*An 8% reduction? Great, 8 just happens to be my lucky number. I was born on 08/08/1988!"*

## Bias #48: Pessimism

Tendency to **overestimate the probability** of getting **unfavorable** outcomes.

*I'm sure I'll get robbed. I'll buy a security system.*

## Bias #49: Optimism

Tendency to **overestimate the likelihood** of getting **favorable** outcomes.

*By registering on this dating site, I am sure that I will finally meet my soulmate.*

## Bias #50: Blind spot

**We think we are impartial**, unlike others.

*Everyone is wrong about the quality of this product. Me, I know it's reliable. Besides, my cousin does it.*

*[![Call-to-action ebook 24 astuces](https://no-cache.hubspot.com/cta/default/1753382/90546ada-ce92-40b4-81c5-d0edceceb29a.png)](https://cta-redirect.hubspot.com/cta/redirect/1753382/90546ada-ce92-40b4-81c5-d0edceceb29a)*

So, will you add a strawberry to your cake?

 Topics: [Inbound Marketing](https://inbound.lasuperagence.com/en/blog-agency/tag/inbound-marketing), [Infographie](https://inbound.lasuperagence.com/en/blog-agency/tag/infographie), [Biais cognitifs](https://inbound.lasuperagence.com/en/blog-agency/tag/biais-cognitifs)

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