67 Ways to Increase Conversion with Cognitive Biases


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Everyone makes bad decisions now and then. We feel stupid, and go on living our lives and making bad decisions. But that’s not the worst part. The worst part about these mistakes? We can’t help it.

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They’re called cognitive biases, and they control our life in shocking and sometimes disturbing ways.

Don’t Be Evil

Here’s the part that you really need to pay attention to. These cognitive biases impact conversion optimization, too. When you grasp just a few of these psychological nuggets, the advantage you possess is almost unfair. But, don’t be annoying about it. And, above all, be ethical in the way you use these and any other persuasion techniques.

Manipulating your visitor into making a decision that is wrong for them is no way to build a business. Doing that is the same as making false claims or otherwise misrepresenting a product. You may get a conversion, but it will be your last from that customer.

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Conversion Optimization and Cognitive Bias

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By understanding these biases and their effect upon both individuals and groups, you are able to strengthen arguments, anticipate reactions, and make connections in powerful ways. It could completely overhaul the way you do life in general and conversion optimization in particular.

Conversion optimization is no less than the discovery of why people click — their motivations, curiosities, intentions, questions, excitement, memory, surprise, wonder, pleasure, and the whole universe of psychology.

The potential customers who visit your website, click on your landing page, or see your marketing email can be affected by any one (or more) of the cognitive biases in this list.

If you understand these cognitive biases, you will be a powerful position to influence your visitors’ choices.

The Master List

To help you gain such powerful psychological insights, I’ve developed a master list of such cognitive biases. These biases give you both the scientific research and the actionable information that you can use to start boosting conversions starting today.

How to use this article.

I’ve organized the biases in a list below. Each bias has three sections.

  • The first line (numbers) tells you the name of the bias. It’s probably not going to make much sense until you read the explanation.
  • The first bullet, “defined,”, tells you what the bias is and how it affects people’s thinking. I am indebted to Wikipedia both for the origin of this list and the wording of the explanations. Some definitions are theirs. All explanations are mine.
  • In the second bullet, explained, I provide a brief explanation of how this bias influences marketing and/or conversion optimization.
  • Reading the list. You would do well to at least skim this list. You probably aren’t going to remember the name and definition of every cognitive bias. What you will possess after reading this article is an intuitive recognition that cognitive biases exist in yourself and others. Furthermore, you will begin to understand how these cognitive biases affect online marketing and conversion optimization.
  • Finally, you may wish to bookmark this page. You’ll find yourself thinking, “Ooh, I’m detecting a cognitive bias! What was it again?” Pop onto this page, and you’ll find your definition, explanation, and links for further study.
  1. Ambiguity effect

    • Defined: The tendency to avoid options for which missing information makes the probability seem “unknown.”
    • Explained: If a user doesn’t understand your product or a particular choice, he will not choose it. People tend to avoid the unknown.
  2. Anchoring or focalism

    • Defined: The tendency to rely too heavily, or “anchor,” on one trait or piece of information when making decisions (usually the first piece of information that we acquire on that subject)
    • Explained: The first price that a customer sees is the one that will affect her purchase decision in the future. For example, if the first price she saw for a handbag was $90, and she sees it reduced to $45, she will be more likely to buy.
  3. Attentional bias

    • Defined: The tendency of our perception to be affected by our recurring thoughts.
    • Explained: The more often a customer sees your ads or messages, the more likely he is to purchase from you. Takeaways: Use retargeting. Blog regularly. Place CTA buttons throughout a landing page
  4. Availability heuristic

    • Defined: The tendency to overestimate the likelihood of events with greater “availability” in memory, which can be influenced by how recent the memories are or how unusual or emotionally charged they may be.
    • A website or landing page that is unusual, emotional is more memorable, which makes it more likely for users to return and purchase.
  5. Availability cascade

    • A self-reinforcing process in which a collective belief gains more and more plausibility through its increasing repetition in public discourse (or “repeat something long enough and it will become true”).
    • When your website, brand, or product is referenced repeatedly by others, people are more likely to think highly of it. The more social buzz you generate, the better.
  6. Backfire effect

    • When people react to disconfirming evidence by strengthening their beliefs
    • You can’t change people’s beliefs, so don’t even try. Evidence and argumentation in opposite to an entrenched belief will not strengthen your position. Instead you have to win people through emotional means.
  7. Bandwagon effect

    • The tendency to do (or believe) things because many other people do (or believe) the same. Related to groupthink and herd behavior.
    • Everyone is doing it. If you can create the perception that everyone is buying your product, then it’s more likely that more people will.
  8. Base rate fallacy or base rate neglect

    • The tendency to ignore base rate information (generic, general information) and focus on specific information (information only pertaining to a certain case).
    • Don’t just share information about your product — boring statistics, figures, features, etc. Instead, show how your product works in specific examples. Use cases studies and user testimonials
  9. Belief bias

    • An effect where someone’s evaluation of the logical strength of an argument is biased by the believability of the conclusion.
    • When persuading users to buy your product, show them how it will help them. The personal positive result of the product is going to trump your argument as to why it’s so good.
  10. Bias blind spot

    • The tendency to see oneself as less biased than other people, or to be able to identify more cognitive biases in others than in oneself.
    • People are blind to their own stupidity. Deal with it.
  11. Cheerleader effect

    • The tendency for people to appear more attractive in a group than in isolation.
    • Never show people just one testimonial. Display groups of testimonials.
  12. Choice-supportive bias

    • The tendency to remember one’s choices as better than they actually were.
    • If your customer makes a choice, praise them. They will forever think that they made the right choice. Pepper your conversion funnel with affirming messages, and email them to congratulate them on their purchase.
  13. Clustering illusion

    • The tendency to overestimate the importance of small runs, streaks, or clusters in large samples of random data (that is, seeing phantom patterns).
    • If you want to persuade your users, focus on the patterns that put your product or service in the best light. And check out this website for an awesome waste of time.
  14. Confirmation bias

    • The tendency to search for, interpret, focus on and remember information in a way that confirms one’s preconceptions.
    • You will have a hard time changing your user’s preconceptions. Instead, cater to them on an emotional level, and do all you can to validate their existing preconceptions.
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    1. Conjunction fallacy

      • The tendency to assume that specific conditions are more probable than general ones.
      • Use testimonials. Specific conditions and examples always trump general explanations and data.
    2. Conservatism (Bayesian)

      • The tendency to revise one’s belief insufficiently when presented with new evidence.
      • Your evidence alone is not persuasive. While charts, numbers, metrics, data, and statistics are helpful, you must strengthen your persuasive power with emotional argumentation and alternative forms of persuasion.

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  1. Contrast effect

    • The enhancement or reduction of a certain perception’s stimuli when compared with a recently observed, contrasting object.
    • Make your product stand out as much as possible. Using surprise, differentiation, and shock value, you can make your product more memorable, and therefore more likely for people to purchase.
  2. Decoy effect

    • Preferences for either option A or B changes in favor of option B when option C is presented, which is similar to option B but in no way better.
    • If you have different variations on the same product (e.g., small vs. large, or 8GB vs. 16GB) then insert a third option in the middle that makes the option that you don’t want people to buy seem foolish.



This compels customers to choose the more expensive option. See my article on the subject for all the juicy details.

  1. Distinction bias

    • The tendency to view two options as more dissimilar when evaluating them simultaneously than when evaluating them separately.
    • Side-by-side product comparisons are perfect. If you are working against a competitor’s similar product, create a comparison chart to help users understand the pros/cons.
  2. Empathy gap

    • The tendency to underestimate the influence or strength of feelings, in either oneself or others.
    • Emotional argumentation is powerful but people tend to deny its strength. The better and more skillful your emotional argumentation, the more persuasive you will become.
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  1. Focusing effect

    • The tendency to place too much importance on one aspect of an event.
    • People will tend to focus on one thing about your product or service, rather than lots of things. Instead of just spraying the customer with a list of benefits and features, focus on one thing — most importantly something that will substantially improve the customer’s quality of life.
  2. Forer effect or Barnum effect

    • The observation that individuals will give high accuracy ratings to descriptions of their personality that supposedly are tailored specifically for them, but are in fact vague and general enough to apply to a wide range of people. Oh, and those “which character are you” quizzes are genius.
    • Use personalization as much as possible in your marketing efforts.



  1. Framing effect

    • Drawing different conclusions from the same information, depending on how or by whom that information is presented.
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  1. Functional fixedness

    • Limits a person to using an object only in the way it is traditionally used.
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  • If your product challenges traditional use of a product or service, you’ll have a much tougher time marketing it.
  1. Hostile media effect

    • The tendency to see a media report as being biased, owing to one’s own strong partisan views.
    • Know your audience, and don’t try to their views. If you do, they will strongly object and view you with skepticism and distrust.
  2. Hot-hand fallacy

    • The “hot-hand fallacy” (also known as the “hot hand phenomenon” or “hot hand”) is the fallacious belief that a person who has experienced success has a greater chance of further success in additional attempts.
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  • In personal branding, you can improve the public’s perception of yourself by emphasizing a list of successes. In customer-directed persuasion, you can remind a user that they’ve been right so many times before, and the choice that they’re about to make is indeed the right one.
  1. Hyperbolic discounting

    • Discounting is the tendency for people to have a stronger preference for more immediate payoffs relative to later payoffs. Hyperbolic discounting leads to choices that are inconsistent over time – people make choices today that their future selves would prefer not to have made, despite using the same reasoning.
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  • Recognize that your users want results and/or discounts This allows you to raise your price and give users the product right away, as long as you allow them to pay later. Check out my Kissmetrics discussion for more application of this powerful bias.
  1. Identifiable victim effect

    • The tendency to respond more strongly to a single identified person at risk than to a large group of people at risk.
    • Case studies. They’re powerful. Instead of telling your customers that 85% of American homes are at risk of termite infestation, instead tell them the story of poor Johnny whose home was completely devastated by evil termites.
  2. IKEA effect

    • The tendency for people to place a disproportionately high value on objects that they partially assembled themselves, such as furniture from IKEA, regardless of the quality of the end result.
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  • If you make a customer work towards something, they will be more likely to follow through with a purchase or conversion. In other words, lots of small conversions lead up to a big conversion. If you want to experience this firsthand, try signing up for eHarmony. No, really.
  1. Illusion of control

    • The tendency to overestimate one’s degree of influence over other external events.
    • People love to believe that they are in control. If you can give the user some degree of choice or influence over the conversion process, he or she will be more likely to have a self-inflated view, and therefore be empowered to complete the conversion.
  2. Impact bias

    • The tendency to overestimate the length or the intensity of the impact of future feeling states.
    • Emphasize positive feelings, and predict that your customers will experience positive feelings for a long time if they purchase your product or service. They will most likely think that buying a new house, SaaS, or product, will positively improve their personal satisfaction and wellbeing way longer than it actually will.
  3. Information bias

    • The tendency to seek information even when it cannot affect action.
    • People love to feel like they have information to back up their decision-making, even if it’s extraneous. The more information that you can pile on to a product description, the greater assurance a user will possess that they product is a high-quality and good value product.
  4. Insensitivity to sample size

    • The tendency to under-expect variation in small samples
    • Alright, conversion optimizer, I’m looking at you on this one. You’re not immune to these cognitive biases. This bias is a big bias in split testing.Be careful of drawing actionable information from split tests that are drawn from small sample sizes.
  5. Irrational escalation

    • The phenomenon where people justify increased investment in a decision, based on the cumulative prior investment, despite new evidence suggesting that the decision was probably wrong. Also known as the sunk cost fallacy.
    • If you want users to keep spending money or time on your product, show them how much they’ve spent already.
  6. Loss aversion

    • “The disutility of giving up an object is greater than the utility associated with acquiring it”.
    • People are loathe to give up what they already possess. If you can get people to buy in, even a little bit, to your product or service, then you’re way ahead of the game. When you threaten to take away their free trial, their position on your mailing list, or their access to resources that you gave them, they intensify their desire, and therefore their commitment to your product or service.
Humans are averse to losses - use a CTA that helps your prospect avoid loss. #CRO Share on X
  1. Money illusion

    • The tendency to concentrate on the nominal value (face value) of money rather than its value in terms of purchasing power.
    • Simply listing the price of your product is enough. Don’t try to embellish it.
  2. Negativity bias

  3. Neglect of probability

    • The tendency to completely disregard probability when making a decision under uncertainty.
    • Pay special attention to the decision-making phase of the conversion funnel. If a user is uncertain about what step is next or where she is in the checkout process, she is more likely to mistrust her decision about the purchase. Make things extremely clear all throughout the process.
  4. Not invented here

    • Aversion to contact with or use of products, research, standards, or knowledge developed outside a group. Related to IKEA effect.
    • If you’re a startup, or a brand that doesn’t have much marketing exposure, link yourself to trusted brands. One of the most commons ways of doing this is by featuring images of well-known logos or trusted brands. Yours truly does this.



Other brands and businesses do it, too.


  1. Observer-expectancy effect

    • When a researcher expects a given result and therefore unconsciously manipulates an experiment or misinterprets data in order to find it (see also subject-expectancy effect).
    • Your customers will see and do what they want to see and do. Make sure that you understand their proclivities and seek to reinforce them, rather than contradict them in the sales funnel. Don’t try to change their beliefs or behavior, or you’ll derail the conversion.
  2. Optimism bias

    • The tendency to be over-optimistic, overestimating favorable and pleasing outcomes (see also wishful thinking, valence effect, positive outcome bias).
    • A customer who is at an optimal spot in the conversion funnel is experiencing the optimism bias. Do all you can to preserve this attitude. Things that can ruin his optimism are a broken checkout system, extra charges, and a faulty UX.
  3. Pessimism bias

    • The tendency for some people, especially those suffering from depression, to overestimate the likelihood of negative things happening to them.
    • It’s not just depression-prone people who anticipate negative experiences. This is the experience for many people. It’s easier and more physiologically stimulating to expect bad things to happen. You can use this tendency to both understand a user’s pain, and then solve the pain by introducing your product or service. For example, if a user fears that they will be the victim of a home invasion, you should know about this pain. Then, you should solve this pain by allowing your product (home security systems) tƒo meet their emotional need.
  4. Post-purchase rationalization

    • The tendency to persuade oneself through rational argument that a purchase was a good value.
    • The second that a customer finalizes a transaction, they begin to experience buyer’s remorse. This is natural, and you need to be prepared to deal with it. Encourage them to share their purchase on social media, thereby reinforcing their rationalization. Then, send them confirmation emails to encourage them that they made the right decision.
  5. Pseudocertainty effect

    • The tendency to make risk-averse choices if the expected outcome is positive, but make risk-seeking choices to avoid negative outcomes.
    • If you’re selling through positive emotion, avoid the slightest odor of risk. If, on the other hand, you’re selling through negative emotion (anger, fear, pain), then you can heighten the risk factor. In some cases, this means that you can justify a higher price if you are selling a product or service by means of negative emotional persuasion.
  6. Reactance

    • The urge to do the opposite of what someone wants you to do out of a need to resist a perceived attempt to constrain your freedom of choice.
    • Humans value their ability to choose freely. Choice, after all, is equated with freedom. Because this is true, you should never try to argue against a user’s preselected choice. When marketing to varied demographics, try to segment your groups according to their spot in the conversion funnel. Pre-funnel targets should be handled in a way that is far different from those who are already disposed to purchase your product.
  7. Restraint bias

    • The tendency to overestimate one’s ability to show restraint in the face of temptation.
    • Your users don’t have the level of self-control that they think they do. Go ahead and pull out that occasional clickbaity title: “You Won’t Believe These Six Reasons Why You Might Die Today. I Almost Choked to Death When I Saw Number Three!”
  8. Rhyme as reason effect

    • Rhyming statements are perceived as more truthful. A famous example being used in the O.J Simpson trial with the defense’s use of the phrase “If the gloves don’t fit, then you must acquit.”
    • Believe it or not, this is true. And you thought that those advertising jingles were just annoying or juvenile? They were As early as, well, ancient history, people made their pet positions go viral by using songs. True story. Simple takeaway: Use a tagline for your brand. Better yet, use a rhyming tagline.
  9. Risk compensation / Peltzman effect

    • The tendency to take greater risks when perceived safety increases.
    • Make your website seem like a safe place. If you do so, users are more likely to convert. How do you make your website seem safe? Here are the easiest ways: 1) Use https, 2) add trust badges, 3) use testimonials.
  10. Selective perception

  11. Status quo bias

    • The tendency to like things to stay relatively the same (see also loss aversion, endowment effect, and system justification).
    • Don’t upset the apple cart. If you’re dealing with a group of customers who like things “just so,” don’t try to alter their worldview or introduce information that could make them uncomfortable.
  12. Survivorship bias

    • Concentrating on the people or things that “survived” some process and inadvertently overlooking those that didn’t because of their lack of visibility.
    • Here’s a quick persuasive tip. If you want to prove the superiority of your product or service, then explain a rigorous testing process that you used to qualify the product. For example, “We only sell iPhone cases that survive the Monster Truck Test. We took 92 cases, and drove over them with a Monster Truck. Only 4 survived the test, and those are the ones we’re selling on this website.”
  13. Zero-risk bias

    • Preference for reducing a small risk to zero over a greater reduction in a larger risk.
    • Risk theory is a huge part of conversion optimization. In the zero-risk bias, here’s what you need to know. Remove as much risk as you can from your conversion process and funnel. Since people tend to think in proportional rather than differential terms, you want to assert major proportionate gains rather than nuances of differential preference.
  14. Dunning–Kruger effect

    • An effect in which incompetent people fail to realize they are incompetent because they lack the skill to distinguish between competence and incompetence. Actual competence may weaken self-confidence, as competent individuals may falsely assume that others have an equivalent understanding.
    • Your customers aren’t going to know some things, and they aren’t going to know that they know it. You, as the seller, need to be aware of your customers’ blind spots. Why? Because they themselves aren’t aware of their blind spots, and therefore don’t know how to overcome them. The greater awareness you have of your customers, the better position you’re in to sell effectively.
  15. Egocentric bias

    • Occurs when people claim more responsibility for themselves for the results of a joint action than an outside observer would credit them.
    • Affirm your customer’s choices wherever and whenever you can. Phrases like, “You made a good choice,” and “Highly perceptive people like you” may sound facile and flattering, but they can be effective.
  16. Halo effect

    • The tendency for a person’s positive or negative traits to “spill over” from one personality area to another in others’ perceptions of them (see also physical attractiveness stereotype).
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  • The halo effect is most pronounced in situations where a particular individual is viewed in a highly positive light. You can use the halo effect by associating authoritative people with your product or service. E.g., “Steve Jobs preferred using our iPhone case.”
  1. Ingroup bias

    • The tendency for people to give preferential treatment to others they perceive to be members of their own groups.
    • You don’t need to be ingratiating, but if you’re going to sell something to people, you want to identify with them. People buy from people they like. To make your product more appealing to your target audience, feature testimonials from the target audience rather than merely celebrities or superstars.
  2. Shared information bias

    • Known as the tendency for group members to spend more time and energy discussing information that all members are already familiar with (i.e., shared information), and less time and energy discussing information that only some members are aware of (i.e., unshared information).
    • Here’s a great idea for content marketing. Why do marketing professionals, including conversion optimizers, like to talk about the same things over and over again? Because there is social enjoyment found in shared information. We prefer to talk about familiar things. That’s why all the blog start to sound the same after a while. If you want to shake things up with some truly interesting content, try publishing something that’s not talked about very often.
  3. Bizarreness effect

    • Bizarre material is better remembered than common material.
    • Make your product or service memorable by making it bizarre. You should, of course, use this technique with caution in order to avoid alienating or grossing people out. But you should try it. And it is effective.
  4. Conservatism or Regressive bias

    • Tendency to remember high values and high likelihoods/probabilities/frequencies lower than they actually were and low ones higher than they actually were. Based on the evidence, memories are not extreme enough.
    • Like the bizarreness effect, the regressive bias is a symptom of our not-so-awesome memories. The more extreme an example, statistic, or finding, the more likely it is to stick. Choose your data carefully when attempting to persuade customers.
  5. Peak–end rule

    • That people seem to perceive not the sum of an experience but the average of how it was at its peak (e.g. pleasant or unpleasant) and how it ended.
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  • Your customers will remember whether their experience with you was good or bad. And what affects the goodness or badness? It’s all about how the event If it ends on a pleasant note, they’ll will possess positive memories. If it ends on an unpleasant note, they will retain negative memories. Make sure that your conversion optimization process optimizes everything — all the way to the bitter end. And maybe try not to make it a bitter end.
  1. Picture superiority effect

    • Concepts that are learned by viewing pictures are more easily and frequently recalled than are concepts that are learned by viewing their written word form counterparts.


Use the 'picture superiority' bias to increase #conversion. #CRO Share on X
  1. Positivity effect

    • That older adults favor positive over negative information in their memories.
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  • Remember my remark about the virality of negative emotion. Take this advice with a grain of salt, especially when dealing with a senior audience. They respond far more favorably to positive information than negative information.
  1. Primacy effect

    • Recency effect & Serial position effect That items near the end of a sequence are the easiest to recall, followed by the items at the beginning of a sequence; items in the middle are the least likely to be remembered.
    • If you have three pricing options, then you are most likely to sell the middle option most often. If, however, you have more than three options, then your last and first options should be the hottest sellers. Price and plan accordingly.
  2. Processing difficulty effect

    • That information that takes longer to read and is thought about more (processed with more difficulty) is more easily remembered.
    • This is why I write 5k word articles with lots of data.
  3. Self-relevance effect

    • That memories relating to the self are better recalled than similar information relating to others.
    • As often as possible, draw attention to the user. They will remember the information you tell them, as long as that information has relevance to them.
  4. Von Restorff effect

    • An item that sticks out is more likely to be remembered than other items
    • Emphasize memorable aspects of your product or service. Use differentiated colors, large CTA buttons, impeccable product photos, and other powerful features that sets your product apart.
  5. Zeigarnik effect

    • Incomplete or interrupted tasks are remembered better than completed ones.
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  • Encourage users to “set aside time” to read a landing page, complete an online form, or read an article. The less interruptions they experience, the more likely they are to retain and act on information. Slate shows “to read” times, likely to encourage users to anticipate the time they will need to read the article and follow through on doing so without interruption.


Owning up to you own cognitive biases is powerful enough. But understanding these cognitive biases in your customers is equally powerful. Next time you recognize one, head over here, look it up, and tell your story.

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67 Ways to Use Cognitive Biases to Boost #Conversion. #CRO Share on X

Congrats, you read the whole thing. Just in case you don’t have a photograpic memory, you can download it as a 30-page ebook by clicking here!

  1. Don Kretz says

    Research shows that these biases are highly resistant to self-detection and even more resistant to change, since they most often operate below the level of consciousness. It’s been shown that teaching bias awareness and conscious mitigation is ineffective. All is not lost, however. Current research is investigating ways in which to introduce mildly intrusive interventions into decision environments and processes, with the goal of mitigating the effect of biases (but not the biases themselves).

  2. Nataiya says

    Do you happen to know of any published scientific research summarizing cognitive biases? It’d be great if you could share references.
    Thanks in advance.

    1. Lynne Coventry says

      Heuristics and biases: the psychology of Intutive judegement by Gilovich, Griffin and Kahneman

  3. Pete Austin says

    Related post about errors in surveys and reports aimed at marketers, such as data dredging. I’ve cross-linked back here.

  4. Critical Reception says

    Great Article! I will have to use some of these for marketing in the future!

  5. Alan Donahue says

    When you distill these 67 “biases” or techniques, you end up with Marketing 101.

    1. Roger Dooley says

      Good point, Alan. Advertisers and marketers have sought to exploit some of these for years, Alan. It’s good to have an idea of the science behind successful ads, headlines, etc., as it shows the path to improvements and application to other campaigns.

  6. Ryan White says

    Good article – I was curious and looked into the data for the Rhyme as Reason effect and I can’t help but wonder if the conditions of the experiment/study have a greater impact than its perceived use in everyday Marketing. In the study, they made sure to preface with “people rely on heuristic
    cues to evaluate messages when they lack the evidence and/or motivation to scrutinize message content” The study was focused on aphorisms that I would argue have the perception of (if not were) old proverbs, which people may associate with time-tested truths – and which are often more vague then general marketing statements,. So I wonder how great of an impact the “when they lack evidence and/or motivation to scrutinize message content” had on the results. Does anyone know if there is a similar study on Rhyme as Reason trying to measure perceived truthfulness, but with dummy products/brands that make statements in regards to products (instead of vague aphorisms – which may actually have a forer or Barnum effect mentioned in this article:)?

    I believe the greater impact of Rhyme as Reason in everyday Marketing is in its ability of recall – rather than perceived truthfulness of a statement.

    1. Roger Dooley says

      Ryan, rhyme certainly improves recall. Slogans, jingles, etc. stick more easily with rhyme. The fluency effect is more subtle. Things that are fluent, i.e., put less cognitive load on the brain, are perceived as more likely to be true. That’s a bug, not a feature. 🙂 So, simple names, easy fonts, etc. all connote credibility when in reality there is no correlation. Strange, but there’s loads of research to back it up.

      Of course, part of the fluency effect might relate to ease of recall. I.e., my brain can finish the slogan more easily because of the rhyme cue.

  7. Keegan Yeark says

    Awesome article Jeremy!

    Just wanted to point out that your explanation of the last cognitive bias (Zeigarnik Effect) is contradictory to it’s definition, “Incomplete or interrupted tasks are remembered better than completed ones.”

    Other than that, great work 🙂

  8. Neal G says

    Jeremy thanks for this article. I was aware of some of these data points but not all. I will absolutely leverage this information.

  9. Carlos Abler says

    Really good. The power of leveraging psychographics can’t be underestimated. A number of years ago I was involved in a U Mich research study where we showed that by using highly personalized content tailored to motivational psychographics (and environmental inputs, goal and behavior and past health history data), that we could positively impact smoking. Connecting to a sense of personal agency, such as with “Hope Theory” and other classical models such as Meyers-Briggs, was a real eye opener. Now let’s all use these powerful tools for good purposes now, shall we?

  10. Andrea Wilcox says

    You have a 404 error on the download

    1. Roger Dooley says

      Fixed! Sorry about that, Andrea!

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