Reliability and validity

Validity - extent to which a concept, conclusion or measurement is well-founded and corresponds accurately to the real world. Article “Reliability and validity” in Simple English Wikipedia has 32.7 points for quality (as of July 1, 2025). The article contains 5 references and 6 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Since the creation of article “Reliability and validity”, its content was written by 2 registered users of Simple English Wikipedia and edited by 527 registered Wikipedia users in all languages.

The article is cited 1 times in Simple English Wikipedia and cited 1139 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #3194 in February 2024
• Global: #6681 in November 2002

The highest popularity rank from 2008:

• Local (Simple English): #30914 in August 2024
• Global: #15628 in November 2014

There are 21 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Validity (statistics)		40.1552
2	Hebrew (he) תוקף (מחקר)		39.7883
3	Ukrainian (uk) Валідність (статистика)		34.0113
4	German (de) Validität		33.2154
5	Polish (pl) Trafność		32.9041
6	Simple English (simple) Reliability and validity		32.6766
7	Spanish (es) Validez (psicometría)		23.7691
8	Swedish (sv) Validitet		22.7405
9	Persian (fa) روایی (آمار)		19.5809
10	Chinese (zh) 效度		17.7345

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Reliability and validity" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Validity (statistics)		3 594 701
2	German (de) Validität		3 409 323
3	Dutch (nl) Validiteit		933 874
4	Russian (ru) Валидность		771 414
5	Spanish (es) Validez (psicometría)		690 302
6	Swedish (sv) Validitet		440 747
7	Italian (it) Validità (psicologia)		174 834
8	Czech (cs) Validita (výzkum)		125 235
9	Chinese (zh) 效度		115 896
10	Polish (pl) Trafność		110 505

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Reliability and validity" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Validity (statistics)		3 020
2	German (de) Validität		1 298
3	Russian (ru) Валидность		1 273
4	Chinese (zh) 效度		416
5	Spanish (es) Validez (psicometría)		260
6	Simple English (simple) Reliability and validity		240
7	Hebrew (he) תוקף (מחקר)		200
8	Ukrainian (uk) Валідність (статистика)		190
9	Czech (cs) Validita (výzkum)		189
10	Polish (pl) Trafność		167

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Reliability and validity" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Validity (statistics)		130
2	German (de) Validität		125
3	Dutch (nl) Validiteit		45
4	Russian (ru) Валидность		39
5	Hebrew (he) תוקף (מחקר)		33
6	Italian (it) Validità (psicologia)		26
7	Spanish (es) Validez (psicometría)		22
8	Norwegian (no) Validitet		20
9	Polish (pl) Trafność		20
10	Swedish (sv) Validitet		14

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Reliability and validity" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Validity (statistics)		1
2	Czech (cs) Validita (výzkum)		0
3	German (de) Validität		0
4	Spanish (es) Validez (psicometría)		0
5	Estonian (et) Valiidsus		0
6	Basque (eu) Baliozkotasun (estatistika)		0
7	Persian (fa) روایی (آمار)		0
8	Hebrew (he) תוקף (מחקר)		0
9	Hungarian (hu) Érvényesség (pszichometria)		0
10	Italian (it) Validità (psicologia)		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Reliability and validity" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	German (de) Validität		426
2	English (en) Validity (statistics)		241
3	Hebrew (he) תוקף (מחקר)		101
4	Russian (ru) Валидность		71
5	Czech (cs) Validita (výzkum)		34
6	Polish (pl) Trafność		34
7	Dutch (nl) Validiteit		33
8	Persian (fa) روایی (آمار)		32
9	Spanish (es) Validez (psicometría)		30
10	Italian (it) Validità (psicologia)		25

More...

#	Language	Value
cs	Czech Validita (výzkum)
de	German Validität
en	English Validity (statistics)
es	Spanish Validez (psicometría)
et	Estonian Valiidsus
eu	Basque Baliozkotasun (estatistika)
fa	Persian روایی (آمار)
he	Hebrew תוקף (מחקר)
hu	Hungarian Érvényesség (pszichometria)
it	Italian Validità (psicologia)
kk	Kazakh Валидтілік
lt	Lithuanian Validumas
nl	Dutch Validiteit
no	Norwegian Validitet
pl	Polish Trafność
ru	Russian Валидность
simple	Simple English Reliability and validity
sr	Serbian Ваљаност (психометрија)
sv	Swedish Validitet
uk	Ukrainian Валідність (статистика)
zh	Chinese 效度

Best Rank

Simple English: #30914 08.2024

Global: #15628 11.2014

Best Rank

Simple English: #3194 02.2024

Global: #6681 11.2002

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information