ATAR Notes: Forum

General Discussion => General Discussion Boards => Rants and Debate => Topic started by: Joseph41 on July 22, 2017, 06:31:46 pm

Title: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 22, 2017, 06:31:46 pm
The way I see it, 23 is mid twenties. From speaking with others, this is an unpopular call.

20, 21, 22, 23, 24, 25, 26, 27, 28, 29. That's ten years. The logical split to me is 3 (early) - 4 (mid) - 3 (late). I'd also be happy with the following split:

* Early 20s: 20, 21
* Early-mid 20s: 22, 23
* Mid 20s: 24, 25
* Mid-late 20s: 26, 27
* Late 20s: 28, 29

Discuss.
Title: Re: What constitutes "early twenties" etc.?
Post by: K888 on July 22, 2017, 06:38:35 pm
Having a mid-life crisis are we? ;)

23 is early-mid twenties and no-one can saying anything to convince me otherwise.
When you get to 24, that's your mid-twenties. 23 is just that one year too soon to be considered "mid".
Your system here:
Quote from: Joseph41
* Early 20s: 20, 21
* Early-mid 20s: 22, 23
* Mid 20s: 24, 25
* Mid-late 20s: 26, 27
* Late 20s: 28, 29
is an accurate system.

End of debate :P
Title: Re: What constitutes "early twenties" etc.?
Post by: _____ on July 22, 2017, 06:39:40 pm
The way I see it, 23 is mid twenties. From speaking with others, this is an unpopular call.

20, 21, 22, 23, 24, 25, 26, 27, 28, 29. That's ten years. The logical split to me is 3 (early) - 4 (mid) - 3 (late). I'd also be happy with the following split:

* Early 20s: 20, 21
* Early-mid 20s: 22, 23
* Mid 20s: 24, 25
* Mid-late 20s: 26, 27
* Late 20s: 28, 29

Discuss.

Mid 20s is 23?  ???

Your new set makes more sense. Should really have ages to one decimal place like 22.7 so we can split it into three. But math is hard.

This reminds me of this piece of magnificence:

(https://pbs.twimg.com/media/CHUk-BJVEAAMDNI.jpg)
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 22, 2017, 06:40:19 pm
Having a mid-life crisis are we? ;)

I'd call it a mid-twenties crisis. ;)
Title: Re: What constitutes "early twenties" etc.?
Post by: Sine on July 22, 2017, 06:42:59 pm
* Early 20s: 20, 21
* Early-mid 20s: 22, 23
* Mid 20s: 24, 25
* Mid-late 20s: 26, 27
* Late 20s: 28, 29
this is 100% correct :P

EDIT: don't think anyone can argue with it
Title: Re: What constitutes "early twenties" etc.?
Post by: K888 on July 22, 2017, 06:53:44 pm
I'd call it a mid-twenties crisis. ;)
*early-mid twenties crisis
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 22, 2017, 06:57:45 pm
this is 100% correct :P

EDIT: don't think anyone can argue with it

I agree that the breakdown there is a good one. My issue comes when making an early-mid-late distinction.

If we look at teenage years:
* Early teens: 13, 14
* Mid teens: 15, 16, 17
* Late teens: 18, 19

This makes sense; there are seven years, so a 2-3-2 split is most intuitive. Along a similar line, why would a 3-4-3 split not be most logical for the twenties?
Title: Re: What constitutes "early twenties" etc.?
Post by: sweetiepi on July 22, 2017, 07:05:06 pm
Quote from: Joseph41
* Early 20s: 20, 21
* Early-mid 20s: 22, 23
* Mid 20s: 24, 25
* Mid-late 20s: 26, 27
* Late 20s: 28, 29
This is pretty accurate :)

Although I feel the categories are mostly subject to interpretation, sorta like it is hard to put ages to like other categories such as "young adult", "adult" and "middle aged adult" :)
Title: Re: What constitutes "early twenties" etc.?
Post by: brenden on July 22, 2017, 07:14:47 pm
20-23 early twenties
24-26 mid twenties
27-29 late twenties

a 5-tiered system is just no good.
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 22, 2017, 07:27:22 pm
20-23 early twenties
24-26 mid twenties
27-29 late twenties

a 5-tiered system is just no good.

Why are there more "early" years than "late" ones, though?
Title: Re: What constitutes "early twenties" etc.?
Post by: brenden on July 22, 2017, 07:30:19 pm
Why are there more "early" years than "late' ones, though?
Well, if that weren't the case, 23 would be considered mid twenties (or, we'd need to establish a 5-tier system) and either of those results are unacceptable. Proof by reductio ad absurdum, we simply must have more 'early twenties' years than other twenties based years.
Title: Re: What constitutes "early twenties" etc.?
Post by: strawberries on July 22, 2017, 07:48:07 pm
5 tiers is too much imo.
this is what i feel?
21-22: early 20s
23-27: mid 20s
28-29: late 20s
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 22, 2017, 07:51:03 pm
5 tiers is too much imo.
this is what i feel?
21-22: early 20s
23-27: mid 20s
28-29: late 20s

But what about 20?!
Title: Re: What constitutes "early twenties" etc.?
Post by: K888 on July 22, 2017, 07:56:17 pm
5 tiers is too much imo.
this is what i feel?
21-22: early 20s
23-27: mid 20s
28-29: late 20s
I feel like grouping someone who is 23 in with someone who is 27 is just wrong though. That's a pretty big gap, and when you're 23 you're closer to 20 than you are to 27.

But what about 20?!
It's no man's land :P
Title: Re: What constitutes "early twenties" etc.?
Post by: strawberries on July 22, 2017, 08:02:15 pm
I feel like grouping someone who is 23 in with someone who is 27 is just wrong though. That's a pretty big gap, and when you're 23 you're closer to 20 than you are to 27.
yeah I felt someone would say that :P

but like, for example, when you round money, it's like...
1/2c rounds down to 0c
3/4/5/6/7c rounds to 5c
8/9c rounds up to 10c

so like, if something was 21c you'd pay 20c cash, if something was 23c or 27c you'd pay 25c

I have weird ways of thinking though :P
Title: Re: What constitutes "early twenties" etc.?
Post by: K888 on July 22, 2017, 08:06:17 pm
yeah I felt someone would say that :P

but like, for example, when you round money, it's like...
1/2c rounds down to 0c
3/4/5/6/7c rounds to 5c
8/9c rounds up to 10c

so like, if something was 21c you'd pay 20c cash, if something was 23c or 27c you'd pay 25c

I have weird ways of thinking though :P
Good point.
But, when it comes to age, you don't round up or down :P You don't say "oh I'm 25" if you're actually 23 haha

I just kinda feel like, when I'm 23, I won't feel like I belong in the mid-twenties - I won't feel old, wise, or responsible enough, nor will I have my life together enough to constitute being in the mid-twenties :P
Title: Re: What constitutes "early twenties" etc.?
Post by: strawberries on July 22, 2017, 08:12:16 pm
Good point.
But, when it comes to age, you don't round up or down :P You don't say "oh I'm 25" if you're actually 23 haha

I just kinda feel like, when I'm 23, I won't feel like I belong in the mid-twenties - I won't feel old, wise, or responsible enough, nor will I have my life together enough to constitute being in the mid-twenties :P
true.
I just feel like early-mid and mid-late are like too much words :P
Title: Re: What constitutes "early twenties" etc.?
Post by: GalacticProcess on July 22, 2017, 08:25:54 pm
Why would a 3-4-3 split not be most logical for the twenties?
I completely agree with J41 in this one. If a 2-3-2 split can be used for the teens, why can't the 20's follow a 3-4-3 split. To me, when you're 20-22 years old, you're in your early twenties, when you are from 23-26 years old, you're in your mid-twenties and when you are 27-29 years old, you're in your late twenties. It's seems like the most logical split for the twenties, does it not?
Title: Re: What constitutes "early twenties" etc.?
Post by: howey on July 24, 2017, 05:32:21 pm
I completely agree with J41 in this one. If a 2-3-2 split can be used for the teens, why can't the 20's follow a 3-4-3 split. To me, when you're 20-22 years old, you're in your early twenties, when you are from 23-26 years old, you're in your mid-twenties and when you are 27-29 years old, you're in your late twenties. It's seems like the most logical split for the twenties, does it not?

I agree with J41 too. It seems the most logical to me - a 3-4-3 split. And a five-tiered system is just too much.
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 01, 2019, 05:38:52 pm
Bump. Discuss.
Title: Re: What constitutes "early twenties" etc.?
Post by: Bri MT on July 01, 2019, 08:03:37 pm
Bump. Discuss.

Another crisis from J41?


The clearly superior classification has already been found

Early: 20,21,22
Mid: 23,24,25,26
Late: 27,28,29

As someone who will be turning 20 this year it's strange to think that the last "big" birthday I have is in the middle of the early 20s. It'd be nice to push that back to 25 so events are more spaced out.
Title: Re: What constitutes "early twenties" etc.?
Post by: PhoenixxFire on July 01, 2019, 09:11:30 pm
23 is not mid 20's, you can't change my mind.

20-23: early 20's
24-26: mid 20's
27-29: late 20's

0 doesn't count towards your system because a zero is zero. so each group has three ages in it. #IPassedMath

Either way, you're getting old :p *cries in almost 19*
Title: Re: What constitutes "early twenties" etc.?
Post by: Erutepa on July 02, 2019, 01:41:46 pm
The clearly supinferior classification has already been found

Early: 20,21,22
Mid: 23,24,25,26
Late: 27,28,29

As an expert in counting I propose a small revision to your model:

optional super early 20's
19
Early: 20, 21, 22, 23
Mid: 24, 25, 26
Late: 27, 28, 29, 30
optional super late 20's
30

Thankyou and goodnight.
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 02, 2019, 02:21:52 pm
Another crisis from J41?

In those words?

Yes.
Title: Re: What constitutes "early twenties" etc.?
Post by: AlphaZero on July 02, 2019, 03:32:35 pm
Alright. All the definitions I've seen in this thread are terrible. To make this rigorous, you cannot define early-, mid-, and late- as a function of age unless you want to form unequal partitions. I propose the following construction.

Definition 1:  The discrete age of a human \(H\) is equal to the floor mod of the time, \(T\), in years, since their birth. That is  \(\text{age}(H)=\left\lfloor T\right\rfloor\). (This is here only to clarify what I mean by age).


Definition 2:  We say that a human \(H\) is in their twenties if and only if  \[20\leq T<30\quad \big(\!\iff 20\leq\text{age}(H)\leq 29\big).\]

Definition 3:  The twenties can be broken into three equal partitions  \(t_1\),  \(t_2\),  and  \(t_3\), which we name early-, mid-, and  late- respectively such that \[t_1=[20,\,70/3),\quad t_2=[70/3,\,80/3),\quad t_3=[80/3,\,30).\]
I'm sorry, I had to go full maths nerd on this :P
Title: Re: What constitutes "early twenties" etc.?
Post by: PhoenixxFire on July 02, 2019, 04:31:38 pm
^Thought I’d clicked on the wrong thread for a moment.
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 02, 2019, 06:40:18 pm
Alright. All the definitions I've seen in this thread are terrible. To make this rigorous, you cannot define early-, mid-, and late- as a function of age unless you want to form unequal partitions. I propose the following construction.

Definition 1:  The discrete age of a human \(H\) is equal to the floor mod of the time, \(T\), in years, since their birth. That is  \(\text{age}(H)=\left\lfloor T\right\rfloor\). (This is here only to clarify what I mean by age).


Definition 2:  We say that a human \(H\) is in their twenties if and only if  \[20\leq T<30\quad \big(\!\iff 20\leq\text{age}(H)\leq 29\big).\]

Definition 3:  The twenties can be broken into three equal partitions  \(t_1\),  \(t_2\),  and  \(t_3\), which we name early-, mid-, and  late- respectively such that \[t_1=[20,\,70/3),\quad t_2=[70/3,\,80/3),\quad t_3=[80/3,\,30).\]
I'm sorry, I had to go full maths nerd on this :P

So... was I correct? Haha.
Title: Re: What constitutes "early twenties" etc.?
Post by: AngelWings on July 02, 2019, 07:29:49 pm
So... was I correct? Haha.
Not quite. He’s basically said that he wants to have it so that the 20s are divided into three equal parts.  So, early twenties becomes anyone from 20 years to 23 years and 4 months (not including the day they’re exactly 23 years and 4 months). Mid twenties becomes 23 years and 4 months to 26 years and 8 months (again, not including the day they’re exactly 26 years and 8 months). Late twenties is anyone from 26 years and 8 months up until they turn 30.

I think you were proposing for 20-22 year olds to be early twenties, 23-26 year olds to be mid twenties and 27-29 year olds to be late twenties.
Title: Re: What constitutes "early twenties" etc.?
Post by: Joseph41 on July 02, 2019, 09:43:20 pm
Not quite. He’s basically said that he wants to have it so that the 20s are divided into three equal parts.  So, early twenties becomes anyone from 20 years to 23 years and 4 months (not including the day they’re exactly 23 years and 4 months). Mid twenties becomes 23 years and 4 months to 26 years and 8 months (again, not including the day they’re exactly 26 years and 8 months). Late twenties is anyone from 26 years and 8 months up until they turn 30.

I think you were proposing for 20-22 year olds to be early twenties, 23-26 year olds to be mid twenties and 27-29 year olds to be late twenties.

Thank you for de-mathsing the maths. :)