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I think this example shows more that the difference between vagueness and simplicity is dependent on the context. If I talk to somebody who has not read LW/rationality/IQ studies they have no concrete mental model of what it means to have IQ 130 (other than that the higher IQs are better). So then saying "you need IQ 130" and explaining in a convoluted way what exactly did you mean by that conveys less information than just saying "you need to be smart" and makes a simple statement more complex.

On the other hand, if I talk to somebody about whom I have reasonable expectation that they understand what the IQ actually means, saying smart is also simpler, but due to the abundant and less well-defined use outside precise conversations, it might make sense to default to more precise and quantitative statements to avoid confusion.

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35 Deliberately Vague Language is Bullshit

by lsusr

14th May 2021

1 min read

35

Bullshit is what comes out of the mouth of someone who values persuasion over truth. Truth is about communicating information. Vague language communicates less information than precise language.

It is important to distinguish vague language from general, poetic and simple language.

Vague language is distinct from general language. Vague language communicates less information than regular language. General language communicates more information than regular language. Broader claims are more easily falsifiable than narrow claims. The more falsifiable a claim is the stronger a claim it is. The stronger a claim is the more information it communicates.
Vague language is distinct from poetic language. Poetic language has very high information density. High information density is the opposite of vagueness.
Vague language is distinct from simple language. Simple language is easy to understand. Simple language should be used most of the time because simple language is more convenient than complicated language. In disagreements, simple vague language should be replaced with precise language—even at the cost of some complexity.

Deliberately vague language increases vagueness without increasing generality, poetry or simplicity. It obscures the truth.

"No evidence" is vaguer than "evidence of absence".
How many shares of a company you own is vaguer than what percentage you own.

The people with a need to obscure the truth are those with a political or social agenda. Vague language is endemic to taboo subjects. Deliberately vague language is such a reliable signal of taboo subjects that you can use it to discover hidden taboos. If you find yourself or others using deliberately vague language around a topic it means there is something you can't say.

The most precise language is numerical. If numbers could be used but aren't then you are dealing with a taboo subject.

"Smart" is vaguer than IQ thresholds.
"Fit" is vaguer than BMI and bodyfat percentage.

You can even use vague language to figure out which subjects are bullshit and which people are bullshitters.

Modern art uses vague language. Drawing manuals like Scott McCloud's Understanding Comics: The Invisible Art use precise language.
Literary theory is notorious for using vague language. Brandon Sanderson's lectures on creative writing use precise language

AversionPhilosophy of LanguageVirtuesRationality

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[-]gjm4y340

I don't entirely agree. I think vague language is sometimes bullshit but sometimes honesty.

I am a human being rather than an idealized superintelligence. Sometimes my own knowledge and understanding are vague. E.g., to take one of the examples in the OP, I may say "you probably shouldn't try for a career in theoretical physics unless you are very smart"; I'm not giving an "IQ threshold" (or a mapping from IQ to probability of success, or whatever) because I don't have one to give. I could be more concrete: "you probably shouldn't try for a career in theoretical physics unless you have an IQ of at least 130" or something. But that would likely be interpreted as meaning that I have a detailed understanding of the relationship between the cognitive requirements of a theoretical physics career and the things measured by IQ tests, and that I've somehow found that 130 is the Right Threshold, and none of that is true. I could be more concrete and make the hedging explicit: "theoretical physics requires a lot of very hard thinking, the sort that correlates well with IQ test results. I have very little idea what the exact requirements are but a super-handwavy guess is that if your IQ isn't at least 130 and you don't have concrete evidence that you're better at theoretical physics than your IQ would suggest, you probably won't have a good time trying to be a theoretical physicist". But brevity has value, and frankly that much longer version doesn't actually convey much more information than "you need to be very smart".

Unless you and your interlocutor are completely indifferent to the downsides of verbosity, when your knowledge is vague your language should sometimes also be vague.

[-]DirectedEvolution4y40

You're right on a personal level. On the social level, I lean in lsusr's direction. Given the apparent utility of IQ as a measure of aptitude, we could be testing everybody and using those results to help people find careers that are good fits for them. The fact that we don't is at least suggestive of a massive social taboo, which is the cause of the lack of information on the part of individuals that necessitates vagueness.

Taboo -> lack of information -> vagueness.

[-]tailcalled1y30

This would predict that we are good at finding precise information in less sensitive areas, which I don't think we are. Rather, people don't know how to create high-quality precise information, so in most areas discourse gets clogged with junk information, and in some sensitive areas we acknowledge the information is bad and therefore try to not assert much.

[-]wzp4y30

[-]Josh Smith-Brennan4y10

I think vague language is sometimes bullshit but sometimes honesty.

And sometimes honesty can be bullshit too. Meaning true facts can be communicated in a way that I would consider 'bullshit-ish', or severely nit-picky to the point of absurdity.

Sometimes my own knowledge and understanding are vague.

I find this is the case alot, and I would add that I think Acrackedpot is on point with:

I think "deliberate" is doing most of the heavy lifting in this post.

I think all vagueness can be considered bullshit, but not all bullshit can be considered vague.

It's how someone deals with their lack of knowledge about a particular subject in social or personal relationships that determines whether vagueness or even bullshit is negative or not though.

For example in the social conversation about becoming a theoretical physicist, I could say to someone "you probably shouldn't try for a career in theoretical physics unless you are very smart", but I assume that most people would consider this to be common sense. So why do I really need to say it?

If I don't have anything of value beyond common sense to contribute to the conversation because of my lack of knowledge or understanding, there are other motivating factors which make me say something so vague instead of just listening to people who might have more to contribute. Am I expected to say something, or expected to listen? Am I expected to know something beyond common sense, or expected to always say something stupid, funny or outrageous? Am I interested in being seen as a contributor or as a lurker?

Novices I think are rightly forgiven for bullshitting when they don't have much to contribute initially, as long as they can learn and improve their understanding of a subject enough to bullshit less and less as time goes by. Or at the least bullshit in a deliberately entertaining way. You might say they are good bullshitters.

Posers on the other hand are generally not forgiven for bullshitting because they don't learn and improve their understanding of a particular subject, and continue to bullshit as much or possibly even more than they did in the beginning. You might say they are bad bullshitters.

On the other hand, especially in close personal and social relations, bullshitting is a common past time which indicates understanding, trust and intimacy between people. Bullshitting in the confident belief the other person 'gets it', is a way of intelligently playing with the construct of the communication.

Human communication always involves 2 parallel streams of information:

1) is the logical verbal information language component which communicates facts as words, and

2) is the emotional component, what the subtext of the information is supposed to make the listener feel and is communicated through tone, emphasis and non verbal means like facial expression and body language.

If 1 is a false statement, 2 is up in the air for positive or negative response from the listener: a good bullshitter can entertain you for hours, and is really the core of the movie industry - actors and actresses are all really really good bullshitters;

on the other hand a bad bullshitter makes things uncomfortable with no apparent purpose other than to pass themselves off as knowledgeable about a particular subject, without providing some qualification like "My best guess is..." or "I know I'm in over my head, but..." They try to lead without knowing where to go.

Asking for feedback as to whether my statements hold any water or not, can ease the strain of trying to take part in the conversation as a novice. So that I expect a good way to participate in a conversation where you lack knowledge or understanding is to throw in some questions along with the vague statements.

[-]ACrackedPot4y260

Vague language is often the result of vague thinking; most people do not actually try to be specific in their thinking; many of them don't know how.

Vague language will also arise when language doesn't correctly encapsulate a concept, or when the writer doesn't know how to use language for that specific purpose; pointing more specifically at the wrong thing is being actively misleading. Thus vague language can often occur in areas where there isn't a common and codified way of expressing specific thoughts. For example, this post is vague about what vague language is; the specific concept is one I suspect you've never had to specify, so it's hard to translate it into words. Instead you focus on what it isn't, trying to be specific by ruling out, rather than ruling in.

Vague language can also arise in areas where the common communication mechanism is necessarily lossy, such as when talking about qualia.

I think "deliberate" is doing most of the heavy lifting in this post.

[-]lincolnquirk4y60

On this topic, Orwell has a very good essay "Politics and the English language" (https://www.orwellfoundation.com/the-orwell-foundation/orwell/essays-and-other-works/politics-and-the-english-language/) which is kind of about this.

[-]lsusr4y60

I was just reading that essay. I ripped the examples of modern art and literary theory straight from it.

Meaningless words. In certain kinds of writing, particularly in art criticism and literary criticism, it is normal to come across long passages which are almost completely lacking in meaning. Words like romantic, plastic, values, human, dead, sentimental, natural, vitality, as used in art criticism, are strictly meaningless, in the sense that they do not only do not point to any discoverable object, but are hardly even expected to do so by the reader.

⋮

The words democracy, socialism, freedom, patriotic, realistic, justice, have each of them several different meanings which cannot be reconciled with one another. In the case of a word like democracy, not only is there no agreed definition, but the attempt to make one is resisted from all sides.

⋮

Defenceless villages are bombarded from the air, the inhabitants driven out into the countryside, the cattle machine-gunned, the huts set on fire with incendiary bullets: this is called pacification. Millions of peasants are robbed of their farms and sent trudging along the roads with no more than they can carry: this is called transfer of population or rectification of frontiers. People are imprisoned for years without trial, or shot in the back of the neck or sent to die of scurvy in Arctic lumber camps: this is called elimination of unreliable elements. Such phraseology is needed if one wants to name things without calling up mental pictures of them.

―Politics and the English Language by George Orwell

[-]ChristianKl4y260

"Fit" is vaguer than BMI and bodyfat percentage.

While I agree that it's more vague I don't think using a word like fit always suggest bullshit. Someone with strong asthma and reduced lung function might have a BMI and bodyfat percentage that otherwise correspond to being fit but they still aren't fit according to the common meaning of fit.

There are goodhearting interventions such as fat removal that clearly help with BMI and bodyfat while increasing the average size of fat cells which happens to be bad and makes people less fit.

If you find yourself or others using deliberately vague language around a topic it means there is something you can't say.

The same goes for only allowing precise language. If you only allow precise language you prevent people from pointing to goals like being fit that they don't know how to operationalize well. This leads to metrics that then get goodharted without leading to what the person who wants to be fit actually wants.

[-]lincolnquirk4y120

This is pointing in a good direction, but I think the post could benefit from some more concrete examples.

[-]lsusr4y50

I had more examples in my original draft. I edited them out because they were political. I felt the effects of political content would derail conversation more than the extra examples would help.

[-]Unnamed4y70

A Paul Graham essay which is more directly related to this topic is How to Write Usefully:

Useful writing makes claims that are as strong as they can be made without becoming false.
For example, it's more useful to say that Pike's Peak is near the middle of Colorado than merely somewhere in Colorado. But if I say it's in the exact middle of Colorado, I've now gone too far, because it's a bit east of the middle.
Precision and correctness are like opposing forces. It's easy to satisfy one if you ignore the other. The converse of vaporous academic writing is the bold, but false, rhetoric of demagogues. Useful writing is bold, but true.

[-]PUH3mo51

"Modern art uses vague language."

Just want to throw in a paper of mine: https://philpapers.org/rec/UNBATB Hope it's not bad practice here but it addresses exactly tis point.

I thought it made sense to be more specific here and see how bullshit works in art texts, and embed it in an art history context. Two takeaways,

vagueness is different in different text types, but there are some general prototypes
Specific vagueness may have its roots in specifics of the genre. For example, "the artist interrogates x" is meant to evoke a common stereotype of artists being like researchers, finding out hidden meanings in x.

Btw. I agree that specific language can be bullshit, too. If you want to look further there is a term "obscurantism" (I don't say much about it though.)

Sorry for not finding the linkify button. It should be here according to the FAQ but it's not.

[-]lsusr3mo20

Meta: I think throwing up a paper of yours is good practice here when it directly addresses the point. I link to my own blog posts in the same way all the time.

By the way, there's an edit button too, which you can use to retroactively linkify your link.

[-]PUH3mo32

Thanks for giving context! About the link, after submission it was automatically linkified.

[-]Gunnar_Zarncke4y50

There are a lot of cases where vague language is all you have. There is no way to be more precise. And if you are aware of that you will be deliberate about it. Thus I am unhappy with your choice. I think more accurate would have been to call it misleadingly vague langue - which makes it kind of trite/trivial.

In case it's not clear what I mean by vague language by need here are some examples:

You just don't know enough of the subject (yet). Being deliberate about it might mean that you are honest about that.
The audience is not familiar enough with the subject and the precise terminology. While I think this may be true in some circumstances I wouldn't say it's usually true with the media.
There is not enough precise terminology and knowledge about the subject at all. This is the case with all new knowledge at the beginning - sometimes even physics and math. It is toying around with ideas and analogies and seeing what sticks and works. This is the state still with quite a lot of the soft sciences. And that is OK. It is how over time we move from imprecise to precise definitions. Look at a lot of what Scott Alexander writes. While clearly, he tries to use as precise terms as he can a typical m.o. is to approach the topic from multiple sides and use multiple analogies and examples.

[-]waveman4y50

"Fit" is vaguer than BMI...

Which is in every way less precise and useful than body shape index (ABSI). BMI fails for: athletes and strong people, people over 50, smokers and ex-smokers, skinny-fat people; in fact it fails for most people. Maximum longevity is in the (mildly) overweight category of BMI.

ABSI predicts heart disease mortality far better than blood tests. BMI is not even in the race except at extremes.

This is a classic case of medicine's common practice of persisting with inferior metrics and practices. My suspicion is that this is a result of the excessive power of "great men" and authorities within the field.

See refs at the end of this https://www.fatcalc.com/absi

[-]Lukas_Gloor4y50

Vague language (and low communication more generally) also gives you plausible deniability for bending the truth.

Related: It's a common feature of Machiavellianism to "keep one's cards hidden" (12:25 here), i.e., not disclosing motives behind one's actions and generally communicating little information.

People without anything to hide can build trust by communicating a lot and clearly.

[-]crl8264y40

It's not just bending the truth. Being vague also gives you more discretion in decision making.

If you list objective criteria for a decision, then you don't have discretion to give things out to your friends or deny things to your enemies.

[-]Vladimir_Nesov4y40

The post is about being specific, precision in communication, not truth. In practice, truth is given by evident hypotheses, those readily verifiable or otherwise supported by available evidence. Getting to that point benefits from precise communication of concepts and hypotheses, building blocks of truth judgements (as well as claims about how to attain relevant evidence), but communication doesn't itself convey their truth. Conflating these different ideas wastes opportunity for precision.

[-]Dagon4y40

I think true, but kind of trivial. The vast majority of human interaction is bullshit (very often bullshit mixed with a small amount of metaphorical or directional actual communication (meaning: true and surprising data that someone can update on)). Of course this includes vagueness, and especially vagueness that doesn't include an explanation of WHY it's unspecific.

It's the reason LW reacts so badly to generalizations of politics as a weak attempt to discuss politics without the mind-killing.

[-]David Gross4y30

[-]ninjafetus4y30

If numbers could be used but aren't then you are dealing with a taboo subject

Alternatively, the speaker doesn't precisely know, or the specifics are a distinction without consequence. E.g., gjm's example where someone recommends against pursuing a career in theoretical physics "unless you're very smart."

Vague language is bullshit when the vagueness is deliberate with the intention to mislead.

Maybe this could be a subset of "simple" language (vague because complexity is unnecessary), but it's not clear if this was an intent of that category.

[-]Pablo Repetto4y30

I have not yet read the book, but from a recommendation I infer that Leo Strauss' "Persecution and the Art of Writing" goes into considerable depth on the mechanics of using vagueness as a dogwhistling mechanism.

[-]mikbp4y20

I generally agree with the post but I miss a paragraph pointing at that precise language can be (and it is extensively used to) bullshit. It is hinted in "How many shares of a company you own is vaguer than what percentage you own". And also, as others say, vague language does not imply attempting to obscure reality.

I find also that nuanced language is much more precise and less bullshit than very direct language.

[-]DanArmak4y*20

Bullshit is what comes out of the mouth of someone who values persuasion over truth. [...] The people with a need to obscure the truth are those with a political or social agenda.

Almost all humans, in almost all contexts, value persuasion over truth and have a social agenda. Condemning all human behavior that is not truth-seeking is condemning almost all human behavior. This is a strong (normative? prescriptive? judgmental?) claim that should be motivated, but you seem to take it for given.

Persuasion is a natural and desirable behavior in a social, cooperative species that is also competitive on the individual level. The main alternative to persuasion is force, and in most cases I'm glad people use persuasion rather than force. Truth-seeking would also fare worse in a more violent world, because truth has some persuasion value but little violence-value.

Truth is instrumentally useful to persuasion inasfar as people are able to identify truth and inclined to prefer it. I'm all for increasing these two characteristics and otherwise "raising the sanity waterline". But that is very far from a blanket condemnation of "valuing persuasion over truth".

[-]Josh Smith-Brennan4y20

"Bullshit is what Bullshitters use to justify their Bullshit to other Bullshitters."

( Vaguely motioning to a vague meme-like chart vaguely referring to some vague graphical Bullshit about some vague bullshit.)

But it's broadly applicable and will only offend people you don't like.

(Vaguely motioning to a different vague meme-like chart vaguely referring to some bullshit about the new bullshit.)

It's funny that you mention this as I stumbled across this classic bit from the Onion just the other day and was looking for a good excuse to share it. (Warning: more coarse language)

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