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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To be fed the em dash being conflated with AI?

112 replies

MyWarmOchreHare · 25/07/2025 23:29

I’ve always used it, although usually just in dash format for the sake of ease. It comes as easily as full stops and commas.

Why is everyone just now discovering it? I’ve just completed a job application and went and edited my dashes out in case they followed this trend of thinking it indicates AI.

It’s actually genuinely really annoying me that people who have lived under rocks or who’ve never written anything since school are accusing people who’ve got a reasonable grasp of English of being AI.

Although it makes startlingly normal the, what I thought at the time was very strange, episode where I’d written something for a colleague and he asked ‘what are all those dashes for?’

We went to the same school and he’s only five years younger.

It’s beyond annoying. Lots of us know how to and regularly do use an em dash. It’s more astounding that so many people think it’s unusual.

OP posts:
EveInEden · 26/07/2025 12:49

MyWarmOchreHare · 26/07/2025 12:33

Out of curiosity, how are the job applications that use AI obvious?

Some are perfect personal statement hitting every keyword with no CV experience whatsoever. Otherwise it's the use of overly professional and flowery sentences which I read across different peoples' applications. They all say the same thing in the same way. I don't mean parroting the job spec back.

Even had one with ChatGPT prompts pasted in and the answer!

InWalksBarberalla · 26/07/2025 15:05

MyWarmOchreHare · 26/07/2025 12:33

Out of curiosity, how are the job applications that use AI obvious?

I recruited recently and didn't pick up it was AI the first couple of cover letters I read but once I had read the same thing over and over it was clear. Same starting phrases, same dot point structure covering key criteria. Way too wordy. Out of 100 or so applicants the few that weren't AI really stood out.

MyWarmOchreHare · 26/07/2025 15:12

InWalksBarberalla · 26/07/2025 15:05

I recruited recently and didn't pick up it was AI the first couple of cover letters I read but once I had read the same thing over and over it was clear. Same starting phrases, same dot point structure covering key criteria. Way too wordy. Out of 100 or so applicants the few that weren't AI really stood out.

Surely they all have different examples though, even if they are AI?

OP posts:
TheOnlyLivingBoyInNewCross · 26/07/2025 16:41

MyWarmOchreHare · 26/07/2025 15:12

Surely they all have different examples though, even if they are AI?

You’d be surprised. When I’m marking essays, there’s a ‘same-iness’ to the AI-generated ones. They lack soul and personality: there’s no distinctive individual voice to them. I’ve been teaching for a long time, and the sudden advent of essays written by ChatGPT is really disconcerting. Not only is it hugely concerning in terms of the impact on critical thinking skills and academic integrity but it’s incredibly disheartening to see all these students thinking they’ve done something really clever in using Chat when all it’s done is made their work depressingly mediocre.

MounjaroMounjaro · 26/07/2025 16:48

Plinketyplonks · 26/07/2025 07:23

Fascinating. I’m a journalist and don’t use AI and only heard about this assumption/theory on here. Could someone post a piece of AI written work so we can see how it uses the dashes?

Why would you not at the very least look at what AI can offer? I find it hard to believe you're a journalist who hasn't used it!

EveInEden · 26/07/2025 16:57

BasicBrumble · 25/07/2025 23:42

UK style is en-dash with spaces
us style is em-dash with no space
usually if you type a hyphen it will turn into an en dash if you put spaces around it (eg in word). If you do two hyphens it will turn into an em-dash.

i have always loved en-dashes and am now being asked to avoid them due to ai, beyond frustrating

Just done some reading because I was doubting myself. En and em dashes have different uses, so I'm going to stick with the em-dash.

InWalksBarberalla · 26/07/2025 22:21

MyWarmOchreHare · 26/07/2025 15:12

Surely they all have different examples though, even if they are AI?

They aren't word for word identical but it's very obvious. Possibly some of the few that I thought weren't AI did have AI input with better prompt engineering but I'm sure that the AI ones were AI generated. Try recruiting and you'll see what I mean!

RaraRachael · 26/07/2025 22:48

I had no idea there was such a thing as an en dash or an em dash.

I just use a dash but it's not something I use frequently.

BettyEagleton · 27/07/2025 05:26

EveInEden · 26/07/2025 10:26

I ran a scene through Grammarly yesterday. Clicked on the AI detection tool afterwards. Said 8%. I could not fathom why it highlighted certain sentences. Ran it through other detectors. Some said human. 1 said 75% human. I asked ChatGPT who said completely human.

So what do you do when detectors can't agree? AI generates text based on human written text so I use it as a sign that perhaps I need to be more original.

I review job applications. You don't need detectors to identify those obviously written by AI because it is obvious.

I'm also fine with it being used to tidy up an application. It levels the playing field. Just not generating it.

Am wondering if I need to change my em-dash usage to en-dash usage. I have 2 POVs in my book. Mush prefer em-dash but am writing in UK English. 1 character uses them a lot. The second not at all.

Take them out. We don’t use them in UK English and your copy editor will thank you.

columnatedruinsdomino · 27/07/2025 07:02

Just found them on the keyboard. Always learning something new!

Hyphen -
En dash –
Em dash —
Double en dash ––

As someone whose OU tutor always corrected dashes to commas, I feel I want to start using dashes again🥳

Stripeysockspots · 27/07/2025 07:06

TheOnlyLivingBoyInNewCross · 26/07/2025 16:41

You’d be surprised. When I’m marking essays, there’s a ‘same-iness’ to the AI-generated ones. They lack soul and personality: there’s no distinctive individual voice to them. I’ve been teaching for a long time, and the sudden advent of essays written by ChatGPT is really disconcerting. Not only is it hugely concerning in terms of the impact on critical thinking skills and academic integrity but it’s incredibly disheartening to see all these students thinking they’ve done something really clever in using Chat when all it’s done is made their work depressingly mediocre.

I mark essays too. I would say I can spot bad prompting and editing. I think once the students are savvy with prompting the essay is officially dead.

AusMumhere · 27/07/2025 07:20

I was educated in the UK and have never heard the term em dash or n dash

Buffypaws · 27/07/2025 07:33

we know it’s AI if there is an em dash in a text because a phone won’t generate it. my ex did this and had no explanation.

similarly as Word auto generates en dashes from hyphens with spaces around them, en dashes are frequently used but not em dashes in the UK. the point is you'd have to work to get them.

I have a colleague who does use em dashes but it’s because he drafts legislation. If you go and read some of it you’ll see em dashes galore.

Amariel13 · 27/07/2025 07:40

I’m a copywriter and the business I work for has had an influx of clients over the past 6 months claiming that our copy is AI because we use em dashes 🙄 My boss told them to put the copy into an AI detector and it all came back human, but clients still weren’t happy. In the end, my boss has just said we’re not to use em dashes anymore - it’s not worth the hassle.

NippyNinjaCrab · 27/07/2025 07:46

AusMumhere · 27/07/2025 07:20

I was educated in the UK and have never heard the term em dash or n dash

Me too, maybe I'm too old at 53 😂

PuppyMonkey · 27/07/2025 08:03

I’ve also never heard the term em dash, but I format books for a small publishing company and I’m sorry but I take them all out as I think they look unsightly and sometimes make it tricky to fit things on a page correctly. See also double spaces after a full stop.

PuppyMonkey · 27/07/2025 08:05

Hyphens and dashes is what I’ve always called them btw.

RaraRachael · 27/07/2025 08:21

PuppyMonkey · 27/07/2025 08:05

Hyphens and dashes is what I’ve always called them btw.

Me too. Is all this em and en dash stuff American so that's why I've never heard of it?

EveInEden · 27/07/2025 09:44

BettyEagleton · 27/07/2025 05:26

Take them out. We don’t use them in UK English and your copy editor will thank you.

Hmm. They're used by UK authors in genre fiction. J K Rowling, Prachett, Pullman, Tolkien, Samantha Shanon.

I had a poem longlisted and flash fiction published and I had them in there.

I'll ask this at my next agent 1 2 1.

BettyEagleton · 27/07/2025 10:29

EveInEden · 27/07/2025 09:44

Hmm. They're used by UK authors in genre fiction. J K Rowling, Prachett, Pullman, Tolkien, Samantha Shanon.

I had a poem longlisted and flash fiction published and I had them in there.

I'll ask this at my next agent 1 2 1.

I’ve not read all of those writers; I write and edit commercial women’s fiction.

However I just had a look in a Harry Potter and while JKR loves a dash, they’re definitely all en-dashes.

hannonle · 27/07/2025 10:34

I have no idea what you're talking about. Is this a question on University Challenge? Lol

MaryBerrysFannyHammock · 27/07/2025 10:39

I have never heard of em or en dash and honestly do not see the need for it.

zaxxon · 27/07/2025 11:11

RaraRachael · 27/07/2025 08:21

Me too. Is all this em and en dash stuff American so that's why I've never heard of it?

They're just printers' terms for dashes of different widths. An M is wider than an N, hence an em dash is wider than an en dash. Grammatically, the two types are the same. Publishers use different style conventions, and US publishers generally prefer the em dash with no spaces around it, while UK ones like a spaced en.

You can also have em spaces (extra wide) and en spaces, though they're not much used any more. I think this all dates back to the olden days of metal typesetting.

ClaredeBear · 27/07/2025 11:13

It is annoying and I’ve asked my team not to use em dashes if they’re sending out external comms now for this reason, I.e. people we assume we’re using IA!

OneAmberFinch · 27/07/2025 11:24

It's not so much the em dashes themselves (although they are a tell) - it's the way ChatGPT uses them like it's writing a peppy, salesy LinkedIn post.

This is from ChatGPT:

Personalize like a pro—use data to serve the right offer at the right time. Build trust with killer reviews, fast shipping, and rock-solid support. Your brand isn’t just a store; it’s an experience—make every click count. 💥

It's inorganic, the way it always ends in a "you're not just a star -- you're a superstar" type sentence.