Эффект Тэтчер

Thatcher effect - optical illusion technique. Article "Эффект Тэтчер" in Russian Wikipedia has 28.2 points for quality (as of July 1, 2025). The article contains 13 references and 4 sections.

This article has the best quality in Estonian Wikipedia. However, the most popular language version of this article is English.

Since the creation of article "Эффект Тэтчер", its content was written by 14 registered users of Russian Wikipedia and edited by 207 registered Wikipedia users in all languages.

The article is cited 2 times in Russian Wikipedia and cited 87 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Russian): #228 in September 2021
• Global: #20599 in September 2021

The highest popularity rank from 2008:

• Local (Russian): #4338 in September 2021
• Global: #25135 in October 2010

There are 17 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	Estonian (et) Thatcheri efekt		36.8534
2	English (en) Thatcher effect		30.6043
3	Italian (it) Effetto Thatcher		28.9541
4	Ukrainian (uk) Ефект Тетчер		28.5971
5	Persian (fa) اثر تاچر		28.2262
6	Russian (ru) Эффект Тэтчер		28.1526
7	Arabic (ar) تأثير تاتشر		26.67
8	French (fr) Effet Thatcher		25.9066
9	Spanish (es) Efecto Thatcher		23.1155
10	Portuguese (pt) Efeito Thatcher		17.1408

More...

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

The most popular language versions of the article "Эффект Тэтчер" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Thatcher effect		1 254 577
2	Japanese (ja) サッチャー錯視		119 573
3	German (de) Thatcher-Illusion		81 199
4	Spanish (es) Efecto Thatcher		72 800
5	Russian (ru) Эффект Тэтчер		63 769
6	Italian (it) Effetto Thatcher		32 215
7	Chinese (zh) 撒切尔效应		26 756
8	Portuguese (pt) Efeito Thatcher		26 748
9	Dutch (nl) Thatcher-illusie		15 206
10	French (fr) Effet Thatcher		13 512

More...

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 "Эффект Тэтчер" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Thatcher effect		3 390
2	Russian (ru) Эффект Тэтчер		412
3	Japanese (ja) サッチャー錯視		401
4	German (de) Thatcher-Illusion		320
5	French (fr) Effet Thatcher		146
6	Spanish (es) Efecto Thatcher		132
7	Italian (it) Effetto Thatcher		99
8	Chinese (zh) 撒切尔效应		63
9	Portuguese (pt) Efeito Thatcher		46
10	Dutch (nl) Thatcher-illusie		18

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Thatcher effect		76
2	German (de) Thatcher-Illusion		33
3	Italian (it) Effetto Thatcher		17
4	Dutch (nl) Thatcher-illusie		16
5	Russian (ru) Эффект Тэтчер		14
6	Spanish (es) Efecto Thatcher		7
7	Chinese (zh) 撒切尔效应		7
8	Arabic (ar) تأثير تاتشر		6
9	Georgian (ka) ტეტჩერის ეფექტი		6
10	Japanese (ja) サッチャー錯視		5

More...

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

Language versions of the article "Эффект Тэтчер" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Chinese (zh) 撒切尔效应		1
2	Arabic (ar) تأثير تاتشر		0
3	German (de) Thatcher-Illusion		0
4	English (en) Thatcher effect		0
5	Spanish (es) Efecto Thatcher		0
6	Estonian (et) Thatcheri efekt		0
7	Persian (fa) اثر تاچر		0
8	French (fr) Effet Thatcher		0
9	Hindi (hi) थैचर प्रभाव		0
10	Italian (it) Effetto Thatcher		0

More...

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

Language versions of the article "Эффект Тэтчер" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Effet Thatcher		33
2	English (en) Thatcher effect		25
3	Portuguese (pt) Efeito Thatcher		4
4	German (de) Thatcher-Illusion		3
5	Estonian (et) Thatcheri efekt		3
6	Japanese (ja) サッチャー錯視		3
7	Dutch (nl) Thatcher-illusie		3
8	Chinese (zh) 撒切尔效应		3
9	Arabic (ar) تأثير تاتشر		2
10	Spanish (es) Efecto Thatcher		2

More...

#	Language	Value
ar	Arabic تأثير تاتشر
de	German Thatcher-Illusion
en	English Thatcher effect
es	Spanish Efecto Thatcher
et	Estonian Thatcheri efekt
fa	Persian اثر تاچر
fr	French Effet Thatcher
hi	Hindi थैचर प्रभाव
it	Italian Effetto Thatcher
ja	Japanese サッチャー錯視
ka	Georgian ტეტჩერის ეფექტი
nl	Dutch Thatcher-illusie
pt	Portuguese Efeito Thatcher
ru	Russian Эффект Тэтчер
uk	Ukrainian Ефект Тетчер
uz	Uzbek Tetcher effekti
zh	Chinese 撒切尔效应

Best Rank

Russian: #4338 09.2021

Global: #25135 10.2010

Best Rank

Russian: #228 09.2021

Global: #20599 09.2021

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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