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Welcome to the Assessment Division of the Teylers WikiProject. This department focuses on assessing the quality of articles under the scope of the Teylers project. The resulting article ratings are used within the project to aid in recognizing excellent contributions and identifying topics in need of further work.

The assessment is done in a distributed fashion through parameters in the {{WikiProject Teylers}} project banner. The banner automatically adds articles to categories based on quality and importance.


1. What is the purpose of the article ratings? 
The rating system allows the project to monitor the quality of articles in our subject areas, and to prioritize work on these articles. Please note, however, that these ratings are primarily intended for the internal use of the project, and do not necessarily imply any official standing within Wikipedia as a whole.
2. How do I add an article to the WikiProject? 
Just add {{WikiProject Teylers}} to the talk page; there's no need to do anything else.
3. Someone put this project's banner on an article, but it doesn't seem to be within the project's scope. What should I do? 
Because of the large number of articles we deal with, we occasionally make mistakes and add tags to articles that shouldn't have them. If you notice one, feel free to remove the tag, and optionally leave a note on the project's talk page (or directly with the person who tagged the article).
4. Who can assess articles? 
Any member of the Teylers WikiProject is free to add or change the rating of an article. Editors who are not participants in this project are also welcome to assess articles, but should defer to consensus within the project in case of procedural disputes.
5. How do I rate an article's quality? 
Check the quality scale below and select the level that best matches the state of the article; then, follow the instructions below to add the rating to the project banner on the article's talk page. Please note that some of the available levels have an associated formal review process that must be followed; this is documented in the assessment instructions.
6. How do I rate an article's importance? 
Check the importance scale below and select the level that best matches the subject of the article; then, follow the instructions below to add the rating to the project banner on the article's talk page. Please note that for an article to be added to some of the higher importance levels, the project must be notified in advance on the project talk page.
7. What if I don't agree with a rating? Can I request that someone else rate an article? 
Of course; to do so, simply remove the current quality or importance rating already present on the article's talk page. If no rating is currently there, be patient; a member of this project will eventually get around to rating it. If you'd like, you can drop a note at the project talk page to bring the specific article to the attention of our volunteers.
9. What if I have a question not listed here? 
For any other issues not covered in this FAQ, leave a message on the project's talk page, and someone will respond to your query directly.

Assessment instructions[edit]

By quality[edit]

An article's quality assessment is generated from the class parameter in the {{WikiProject Teylers}} project banner on its talk page:

{{WikiProject Teylers|class=???}}

The following values may be used for the class parameter to describe the quality of the article (see Wikipedia:Quality scale for assessment criteria):

FA (for featured articles only; adds articles to Category:FA-Class Teylers articles) Featured article FA 
A (adds articles to Category:A-Class Teylers articles) A-Class article A 
GA (for good articles only; adds articles to Category:GA-Class Teylers articles)  GA 
B (adds articles to Category:B-Class Teylers articles) B-Class article B 
C (adds articles to Category:C-Class Teylers articles) C-Class article C 
Start (adds articles to Category:Start-Class Teylers articles) Start-Class article Start 
Stub (adds articles to Category:Stub-Class Teylers articles) Stub-Class article Stub 
FL (for featured lists only; adds articles to Category:FL-Class Teylers articles) Featured list FL 
List (adds articles to Category:List-Class Teylers articles)  List 

For pages that are not articles, the following values can also be used for the class parameter:

Category (for categories; adds pages to Category:Category-Class Teylers articles) Category page Category 
Disambig (for disambiguation pages; adds pages to Category:Disambig-Class Teylers articles) Disambiguation page Disambig 
File (for files and timed text; adds pages to Category:File-Class Teylers articles)  File 
Redirect (for redirect pages; adds pages to Category:Redirect-Class Teylers articles) Redirect page Redirect 
Template (for templates and modules; adds pages to Category:Template-Class Teylers articles)  Template 
NA (for any other pages where assessment is unnecessary; adds pages to Category:NA-Class Teylers articles)  NA 
??? (articles for which a valid class has not yet been provided are listed in Category:Unassessed Teylers articles)  ??? 

Quality scale[edit]

The following grading scheme is generic, not customized to WP:Teylers articles.

WikiProject article quality grading scheme

By importance[edit]

An article's importance assessment is generated from the importance parameter in the {{WikiProject Teylers}} project banner on its talk page:

{{WikiProject Teylers|importance=???}}

The following values may be used for the importance parameter to describe the relative importance of the article within the project:

Top (adds articles to Category:Top-importance Teylers articles)  Top 
High (adds articles to Category:High-importance Teylers articles)  High 
Mid (adds articles to Category:Mid-importance Teylers articles)  Mid 
Low (adds articles to Category:Low-importance Teylers articles)  Low 
Related (adds articles to Category:Related-importance Teylers articles)
NA (adds articles to Category:NA-importance Teylers articles)  NA 
??? (articles for which a valid importance rating has not yet been provided are listed in Category:Unknown-importance Teylers articles  ??? 

The importance parameter should be assigned according to the importance scale below.

Importance scale[edit]

Label Criteria Examples
  • Articles about specific items in the collection, one of the Teyler societies, the hofje, or one of the curators
Pieter Teyler van der Hulst
Martin van Marum
The Birds of America
  • Scientific discoveries in the collection
  • A few exceptions to be discussed at wt:Teylers
Leiden Jar
  • Listed individually on a Teylers list, plus other national or local significance.
Mennonites of Haarlem
  • All other Teylers subjects
  • List-articles subordinate to other Teylers articles
List of Nobel Prize winners
  • Contributing articles
Koninklijke Hollandsche Maatschappij der Wetenschappen
  • Non-article pages
Template:WikiProject Teylers
Category:Teylers articles by importance