Date: 2010-09-04 01:58 am (UTC)
From: [identity profile] statzman.livejournal.com
Немного странно выглядят расходы в 1970 году: получается, что за 13 лет на ученика тратили 40 тысяч долларов всего, то есть по 250 долларов в месяц.

Date: 2010-09-04 02:03 am (UTC)
From: [identity profile] morfizm.livejournal.com
I'd question statistical accuracy: can you really compare scores across different years?

Date: 2010-09-04 02:24 am (UTC)
From: [identity profile] statzman.livejournal.com
Успеваемость среди школьников за последние 30 лет вряд ли улучшилась, поэтому даже если и были допущены в этом плане методологические просчёты при проведении исследования, то они сильно картину не изменили.

Date: 2010-09-04 02:30 am (UTC)
From: [identity profile] morfizm.livejournal.com
"Успеваемость среди школьников за последние 30 лет вряд ли улучшилась" - почему? Как вы её сравниваете?

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Date: 2010-09-04 02:27 am (UTC)
From: [identity profile] keturah.livejournal.com
OK, insert error bars of 2 standard deviations. Is it worth it now?

Date: 2010-09-04 02:34 am (UTC)
From: [identity profile] morfizm.livejournal.com
Why 2 standard deviations bars would make it comparable?

P.S. I am a proponent of the idea that education's value is overinflated, but I believe this graph is improper way to prove it (at least, clearly insufficient). A better proof would be based on comparison between those who learn and those who didn't, taking people with similar birthdate.
Edited Date: 2010-09-04 02:35 am (UTC)

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Date: 2010-09-04 05:10 am (UTC)
From: [identity profile] dr-tambowsky.livejournal.com
Cato is very good at producing nice, thought stimulating, or at the very least very funny cartoons. Unfortunately, as a thumb rule their data are routinely doctored and/or misrepresented and can not and should not be trusted.

Date: 2010-09-04 06:34 am (UTC)
From: [identity profile] keturah.livejournal.com
How about a source? Cato is criticised for playing with climate change skeptics and for sponsorship by successful industries, but by whom are they charged with manipulating data?

Date: 2010-09-05 03:15 am (UTC)
From: [identity profile] dr-tambowsky.livejournal.com
Hmmmmm.. Let's see... There are many others, but how about... myself? A person I really trust, you know. Cato has its ecological niche and plays its important role in questioning everyone and everything. However, they are agenda-driven, they are manipulative, their reasoning is biased and lacks logic, and their numbers are either outright wrong or misrepresented/taken out of the context. Do not take me wrong, they are not the only politically motivated entity of this sort, but this does not make me trust them any more than those others. Just an opinion based on review of some of their captivating essays. Not really interested in digging through others.

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Date: 2010-09-05 03:07 am (UTC)
From: [identity profile] dr-tambowsky.livejournal.com
I do not quite understand what you are trying to say.

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Date: 2010-09-05 04:55 am (UTC)
From: [identity profile] keturah.livejournal.com
Me neither, but I do hate the FDA for banning the sale of clove cigarettes while menthols (the one that kids really like) are still available . . .

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Date: 2010-09-04 05:50 am (UTC)
From: [identity profile] ikik.livejournal.com
Ну и кто так строит графики? Сколько было по math у Эндрю Коулсона?

Date: 2010-09-04 07:10 am (UTC)
From: [identity profile] keturah.livejournal.com
B.S. Maths and Computer Science (http://epaa.asu.edu/ojs/article/view/632)

Date: 2010-09-04 10:29 am (UTC)
From: [identity profile] filin.livejournal.com
А проценты чего по второй вертикальной оси?

Date: 2010-09-04 12:10 pm (UTC)
From: [identity profile] sashura.livejournal.com
на сколько 10% менялись test scores по отношению к 1970 году
В предположении, что либо существует один и тот же экзамен, который все писали последние 40 лет, либо существует какой-то способ переводить результаты одного экзамена в другой. На самом деле, ни то, ни другое предположение не верно, но это мелочи :)

Date: 2010-09-04 02:02 pm (UTC)
From: [identity profile] birdwatcher.livejournal.com
Экзамены, очевидно, становятся все проще и проще.

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Date: 2010-09-04 02:26 pm (UTC)

Date: 2010-09-04 09:25 pm (UTC)
From: [identity profile] filin.livejournal.com
Казалось бы, методички к экзаменам тех времен вряд ли безнадежно утрачены - можно хохмы ради попробовать принять у нынешних студентов по тогдашним требованиям. Вот наоборот будет сложнее :-)

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Date: 2010-09-06 07:53 am (UTC)
From: [identity profile] green-fr.livejournal.com
Меня скорее выбор шкалы порадовал — поскольку изначально ставилась задача показать неизменность уровня учеников, при максимальном значении, не превышающем 10% сделали шкалу до 90%. С тем же успехом можно было затраты нарисовать в миллиардах — тоже горизонтальная прямая вышла бы.

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Date: 2010-09-04 04:10 pm (UTC)
ppk_ptichkin: (Default)
From: [personal profile] ppk_ptichkin
Это сезонные флюктуации цен на дрова в бухте Тикси.

Date: 2010-09-04 04:39 pm (UTC)
From: [identity profile] glocka.livejournal.com
Ага! Сим доказано, что замена государственной золотой валюты на бумажки федерал резерв банка, и последававшый за этим сорокалетний период инфляции никак не отразились на академической подготовке 17-летних. Можно смело продолжать эмиссию теми же темпами.

Date: 2010-09-04 09:56 pm (UTC)
From: [identity profile] birdwatcher.livejournal.com
облом, цены даны с поправкой на инфляцию

Date: 2010-09-05 12:21 am (UTC)
From: [identity profile] glocka.livejournal.com
Тогда буду много думать...

Hello my friends

Date: 2011-03-14 12:16 pm (UTC)
From: (Anonymous)
Hello, I new yours frient on this forum)