The appeal to emotion is a logical fallacy that involves manipulating people’s emotions to strengthen their support for the conclusion of an unsound argument (e.g., one that’s misleading or baseless). For example, a person using an appeal to emotion in a debate might encourage the audience to ignore certain, by trying to make the …
Premature optimization involves trying to improve something—especially with the goal of perfecting it—when it’s too early to do so. For example, a software developer could engage in premature optimization by spending a lot of time trying to write a piece of flawless code, even though it’s unclear whether this code will actually be needed. Premature …
The psychologist’s fallacy is a logical fallacy that occurs when an external observer assumes that their subjective interpretation of something represents the objective nature of that thing. Most notably, this is associated with the mistaken assumption that your (third-person) interpretation of someone else’s mental state (e.g., how they feel or what they think) is …
The rhyme-as-reason effect is a cognitive bias that makes people more likely to believe statements that contain a rhyme, compared to statements that don’t. For example, people generally perceive the statement “woes unite foes” as more accurate than the statements “woes unite enemies” and “misfortunes unite foes”—even though they all mean roughly the same …
Precommitment is a technique where you intentionally limit the future options available to you, to ensure your commitment to some course of action. Generally, precommitment involves eliminating options that you want to avoid (e.g., by throwing out unhealthy food from your house), making those options more difficult to choose (e.g., by putting unhealthy food …
The credentials fallacy is a logical fallacy that occurs when someone dismisses an argument by stating that whoever made it doesn’t have proper credentials, so their argument must be wrong or unimportant. For example, if a person raises concerns about a political policy, someone using the credentials fallacy might dismiss those concerns without addressing …
The false-consensus effect is a cognitive bias that causes people to overestimate how much others are like them, in terms of sharing things such as their beliefs, values, characteristics, experiences, and behaviors. Essentially, this means that the false consensus effect leads people to assume that others are more similar to them than they actually …
A deadline is a point in time by which something must be done. Deadlines can be implemented by and for various types of entities, such as individuals and companies, and in various types of domains, such as school and the workplace. Deadlines can be beneficial in various ways, so it’s worthwhile to understand how …
A false authority is someone whose supposed authority in a certain domain is substantially flawed, generally because their credentials or expertise are irrelevant, dubious, insufficient, or missing entirely. For example, an actor who promotes a medical product despite having no medical training can be considered a false authority, because they lack relevant credentials or …
The curse of knowledge is a cognitive bias that causes people to fail to properly understand the perspective of those who do not have as much information as them. For example, the curse of knowledge can mean that an expert in some field might struggle to teach beginners, because the expert intuitively assumes that …