Campbell Collaboration

Campbell Collaboration

The Campbell Collaboration is a non-profit organisation that promotes evidence-based decisions and policy through the production of systematic reviews and other types of evidence synthesis. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Campbell Collaboration, Norway, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

73%


Total
Publications

736


Total Open
Publications

534


Total
Citations

16K


Open Access
Percentage

73%


Total
Publications

736


Total Open
Publications

534


Total
Citations

16K

Wikipedia

Website

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Breakdown

17% 19% 32% 32%

Publisher Open

17%

Both

19%

Other Platform Open

32%

Closed

32%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

051015202530354045Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

25%OA Journal

OA Journal 25%

58

Hybrid 23%

54

No Guarantees 52%

122

Other Platform Open

Preprint 76%

300

Institution 39%

153

Domain 8%

31

Other Internet 2%

7

Public 1%

3

Other Platform Locations

Name

Platform Type

Publications

arXiv
Preprint
297
Office of Scientific and Technical Information
Institution
88
PubMed Central
Domain
31
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
19
Fairfield University
Institution
18
University of Kansas
Institution
13
European Organization for Nuclear Research
Institution
12
uj.edu.pl OAI-PMH Repository
Institution
11
Royal Netherlands Academy of Arts and Sciences
Institution
11
California State University, Northridge
Institution
11
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Data updated 18 August 2025

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