р

English translation: p-значение

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Russian term or phrase:р
English translation:p-значение
Entered by: Emily Justice

05:22 Oct 14, 2010
Russian to English translations [PRO]
Mathematics & Statistics / clinical trials
Russian term or phrase: р
I have a table which shows changes in things like weight and blood pressure in patients taking a certain drug. The first column is headed "дунамика на фоне DRUG X". It gives a figure followed by the standard variation (+/-).
The second column is simply headed "р" and gives figures like 0.22.

Is this р actually an English "r" = regression, correlation? How is this value usually written in Russian?

Many thanks!
Emily Justice
United Kingdom
Local time: 00:51
p-значение
Explanation:
показатель достоверности статистического различия

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Note added at 3 мин (2010-10-14 05:26:30 GMT)
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p-value, of course

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Note added at 57 мин (2010-10-14 06:20:08 GMT)
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So Russians use the English letter for this? Is this standard? - Yes!
Please, see:
http://tinyurl.com/38t4csl
Selected response from:

Igor_2006
Russian Federation
Local time: 03:51
Grading comment
Thanks. P-value it is then.
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +3p-значение
Igor_2006
4=результат (показатель)
Maria Sometti (Anishchankava)
5 -1уровень значимости
Shonichev
4probability (reliability of differences)
Michael Kislov


  

Answers


2 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +3
p-значение


Explanation:
показатель достоверности статистического различия

--------------------------------------------------
Note added at 3 мин (2010-10-14 05:26:30 GMT)
--------------------------------------------------

p-value, of course

--------------------------------------------------
Note added at 57 мин (2010-10-14 06:20:08 GMT)
--------------------------------------------------

So Russians use the English letter for this? Is this standard? - Yes!
Please, see:
http://tinyurl.com/38t4csl


Igor_2006
Russian Federation
Local time: 03:51
Specializes in field
Native speaker of: Russian
PRO pts in category: 4
Grading comment
Thanks. P-value it is then.
Notes to answerer
Asker: So Russians use the English letter for this? Is this standard? Thanks!


Peer comments on this answer (and responses from the answerer)
agree  Alexander Ryshow
7 mins
  -> Спасибо, Александр.

agree  IL_ELSE: Скорее всего так, но контекста все-таки маловато. Хотя если дается standard deviation то совершенно естественно давать эту самую вероятность. Вероятность, по определению 0<=p<=1, поэтому если есть значения вне интервала, надо еще думать.
2 hrs
  -> Совершенно согласен. Я тоже так думал и про нехватку контекста, но и про наличие "standard variation". Спасибо.

agree  svetlana cosquéric
8 hrs
  -> Спасибо, Светлана.
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5
=результат (показатель)


Explanation:
.

Maria Sometti (Anishchankava)
Native speaker of: Native in RussianRussian, Native in BelarusianBelarusian
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2 hrs   confidence: Answerer confidence 5/5 peer agreement (net): -1
уровень значимости


Explanation:
уровень значимости (в статистике)

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Note added at 2 hrs (2010-10-14 07:52:43 GMT)
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In Russian it is also written p (Englis letter pee).


    Reference: http://ru.wikipedia.org/wiki/%D0%A1%D1%82%D0%B0%D1%82%D0%B8%...
Shonichev
Local time: 03:51
Native speaker of: Native in RussianRussian

Peer comments on this answer (and responses from the answerer)
disagree  IL_ELSE: Уровень значимости - фиксированная величина для теста. В приведенной вами ссылке используется "пи-величина" - вот она то здесь и есть.
13 mins
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1 day 16 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
probability (reliability of differences)


Explanation:
В большинстве работ авторы не раскрывают наименование и смысл величины «р» и выражения «р <», видимо полагая, что читатели вполне однозначно могут их интерпретировать. Между тем, величина «р» (от латинского Probability – вероятность) может иметь разный смысл. В некоторых работах отмечается путаница этих смыслов, что свидетельствует о том, что авторы этих работ не видят принципиальной разницы между ними. В частности, если часть авторов, исходя из контекста, подразумевает под «р» уровень значимости, то другие понимают под «р» доверительную вероятность. Например, на стр. 30 «Вестника РАМН» №9 за 1995 г. в примечании к таблице 1, читаем: «Примечание: * – t = 2,18; p = 0,971; ** – t = 2,85; p = 0,995; *** – t = 2,16; p = 0,999». Можно догадываться, что видимо в данном контексте под величиной «р» авторы подразумевают доверительную вероятность. Однако такая очевидность имеется не всегда.
http://n-t.ru/tp/in/dpl04.htm

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Note added at 1 day16 hrs (2010-10-15 22:02:02 GMT)
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So, you should just leave "p".

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Note added at 1 day16 hrs (2010-10-15 22:03:32 GMT)
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Essentially, the problem is that an inferential statistic like the two-sample t-test is designed to tell us the probability that the means of the two samples are significantly different at a certain significance level. For example, if two samples of 17 men and 17 women had means of 18.5 and 14.5, respectively, and standard deviations of 2.5 and 3.5, respectively, we might want to find out if the observed difference is just a chance fluctuation or is a significant difference at say p < .05 (i.e., with a probability of 5%). In this case, we might use an independent samples t-test to investigate this issue, and it would turn out that t = 3.83, which is indeed significant at p < .05. Thus we can say there is only a 5% probability that the difference between the means for men and women reported here occurred by chance (for more on this calculation, see Brown & Rodgers, 2002, pp. 205-210).
http://jalt.org/test/bro_27.htm

Michael Kislov
Russian Federation
Local time: 03:51
Native speaker of: Native in RussianRussian
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