Streetlight Effect

de

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Streetlight Effect

Quality:

Streetlight effect - observational bias that occurs when people only search for something where it is easiest to look. Article “Streetlight Effect” in German Wikipedia has 28.9 points for quality (as of July 1, 2025). The article contains 16 references and 1 sections.

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

Since the creation of article “Streetlight Effect”, its content was written by 19 registered users of German Wikipedia and edited by 90 registered Wikipedia users in all languages.

The article is cited 2 times in German Wikipedia and cited 21 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #13651 in June 2015
  • Global: #128738 in May 2015

The highest popularity rank from 2008:

  • Local (German): #490042 in December 2022
  • Global: #40228 in January 2016

There are 7 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1German (de)
Streetlight Effect
28.8512
2English (en)
Streetlight effect
26.0977
3Bulgarian (bg)
Ефект на уличната лампа
24.4253
4Romanian (ro)
Efectul Streetlight
24.4202
5Italian (it)
Effetto lampione
21.1408
6Japanese (ja)
街灯の下で鍵を探す
16.3411
7Portuguese (pt)
Efeito poste de luz
14.6766
More...

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

Most popular in all the time

The most popular language versions of the article "Streetlight Effect" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Streetlight effect
464 615
2Japanese (ja)
街灯の下で鍵を探す
27 306
3Italian (it)
Effetto lampione
8 940
4German (de)
Streetlight Effect
8 494
5Portuguese (pt)
Efeito poste de luz
586
6Romanian (ro)
Efectul Streetlight
465
7Bulgarian (bg)
Ефект на уличната лампа
125
More...

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

Most popular in June 2025

The most popular language versions of the article "Streetlight Effect" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Streetlight effect
4 030
2Japanese (ja)
街灯の下で鍵を探す
177
3Italian (it)
Effetto lampione
69
4German (de)
Streetlight Effect
64
5Portuguese (pt)
Efeito poste de luz
19
6Bulgarian (bg)
Ефект на уличната лампа
11
7Romanian (ro)
Efectul Streetlight
7
More...

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

The highest AI

Language versions of the article "Streetlight Effect" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Streetlight effect
50
2German (de)
Streetlight Effect
19
3Italian (it)
Effetto lampione
10
4Japanese (ja)
街灯の下で鍵を探す
4
5Bulgarian (bg)
Ефект на уличната лампа
3
6Portuguese (pt)
Efeito poste de luz
2
7Romanian (ro)
Efectul Streetlight
2
More...

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

The highest AI in June 2025

Language versions of the article "Streetlight Effect" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Bulgarian (bg)
Ефект на уличната лампа
0
2German (de)
Streetlight Effect
0
3English (en)
Streetlight effect
0
4Italian (it)
Effetto lampione
0
5Japanese (ja)
街灯の下で鍵を探す
0
6Portuguese (pt)
Efeito poste de luz
0
7Romanian (ro)
Efectul Streetlight
0
More...

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

The highest CI

Language versions of the article "Streetlight Effect" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Streetlight effect
14
2Japanese (ja)
街灯の下で鍵を探す
3
3German (de)
Streetlight Effect
2
4Italian (it)
Effetto lampione
2
5Bulgarian (bg)
Ефект на уличната лампа
0
6Portuguese (pt)
Efeito poste de luz
0
7Romanian (ro)
Efectul Streetlight
0
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
bgBulgarian
Ефект на уличната лампа
deGerman
Streetlight Effect
enEnglish
Streetlight effect
itItalian
Effetto lampione
jaJapanese
街灯の下で鍵を探す
ptPortuguese
Efeito poste de luz
roRomanian
Efectul Streetlight

Popularity rank trends

Best Rank German:
#490042
12.2022
Global:
#40228
01.2016

AI rank trends

Best Rank German:
#13651
06.2015
Global:
#128738
05.2015

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Streetlight effect from Wikipedia articles about McNamara fallacy, Availability heuristic, Planet Nine, Observation and Street light interference phenomenon. Whereas reading the article about Streetlight effect people most often go to Wikipedia articles on McNamara fallacy, Nasreddin, Observation, Street light interference phenomenon and Noam Chomsky.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 5 March 2026

On 5 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Iran, Ali Khamenei, 2026 Iran war, Jeffrey Epstein, Kurds, Strait of Hormuz, Yakovlev Yak-130, Donald Trump, Azerbaijan, Kristi Noem.

In German Wikipedia the most popular articles on that day were: Georg Koch (Fußballspieler), Iran, Edoardo Weber, Liste der größten Auslegerbrücken, Irankrieg 2026, Dena (Schiff), Kristi Noem, Jakowlew Jak-130, Supermarine Spitfire, Ali Chamenei.

About WikiRank

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