Janusz Grzelak - Polish psychologist. Article “Janusz Grzelak” in Polish Wikipedia has 26.4 points for quality (as of July 1, 2025). The article contains 19 references and 6 sections.
Since the creation of article “Janusz Grzelak”, its content was written by 19 registered users of Polish Wikipedia and edited by 19 registered Wikipedia users in all languages.
The article is cited 22 times in Polish Wikipedia and cited 22 times in all languages.
The highest Authors Interest rank from 2001:
The highest popularity rank from 2008:
There is 1 language version 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).
| Best Rank | Polish: #15408 06.2017 |
Global: #569197 11.2012 |
| Best Rank | Polish: #2611 04.2025 |
Global: #378784 05.2009 |
On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..
In Polish Wikipedia the most popular articles on that day were: Jolanta Wadowska-Król, Mirosław Krawczyk, Ołowiane dzieci, Huta Metali Nieżelaznych Szopienice, Johannes Høsflot Klæbo, Eric Dane, Jeffrey Epstein, Alysa Liu, Kamila Sellier, Zimowe Igrzyska Olimpijskie 2026.
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
$$Quality=1/c∑↙{i=1}↖c nm_i-RS=1/5(18.27+12.03+0+35.29+66.55)$$
where:
The results of the calculations may be slightly different because of rounded values of normalized metrics in formulas
