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Characteristics of a Citizen Science Approach to Mental Health Research: International Delphi Consultation Cover

Characteristics of a Citizen Science Approach to Mental Health Research: International Delphi Consultation

Open Access
|Jul 2026

Figures & Tables

Table 1

Consensus on definitive characteristics of mental health citizen science.

ITEMROUNDALLPARTICIPANTS BY ROLEPARTICIPANTS BY LIVED EXPERIENCE
PROJECT LEADSPUBLIC CONTRIBUTORSOWN LIVED EXPERIENCESUPPORTED OTHERSNO LIVED EXPERIENCE
A1: Project is directly about mental health14.0 (0.9)4.0 (0.9)3.9 (1.2)3.9 (1.0)4.3 (0.5)4.2 (1.0)
24.1 (1.0)4.0 (1.0)5.0 (0.0)4.0 (1.1)4.5 (0.6)4.0 (1.4)
A5: Public contributors are involved from the start in designing projects13.6 (1.1)3.4 (1.2)4.0 (0.8)3.3 (1.2)3.8 (1.2)4.2 (0.8)
24.1 (1.0)4.0 (1.0)4.5 (0.7)4.1 (1.3)4.0 (0.0)4.0 (0.0)
A12: Projects adhere to established scientific methods of doing research1 (consensus reached)4.1 (1.1)4.2 (1.0)4.0 (1.5)4.3 (1.0)3.7 (1.4)4.2 (1.0)
A14: Public contributors are acknowledged in publications2 (New question)4.0 (1.0)3.9 (1.0)4.5 (0.7)4.1 (0.9)3.5 (1.3)4.5 (0.7)
A15: Safeguarding procedures are in place for public contributors2 (New question)4.5 (0.6)4.6 (0.7)4.0 (0.0)4.2 (0.7)5.0 (0.0)5.0 (0.0)
A16: Support for emotional distress (occurring or made worse through participation) is available for public contributors2 (New question)4.1 (0.8)4.2 (0.9)4.0 (0.0)4.1 (0.8)3.8 (1.0)5.0 (0.0)
A17: Accessibility & inclusion needs of public contributors are addressed proactively2 (New question)4.4 (0.8)4.5 (0.5)4.0 (0.0)4.3 (0.5)4.5 (0.6)4.5 (0.7)

[i] Note: Values presented are mean (standard deviation). 5 = essential, 4 = very important, 3 = somewhat important, 2 = a bit important, 1 = not important. Regular type = no consensus. Italics = moderate consensus (70%–79%). Bold = strong consensus (80% or more).

Table 2

Consensus on relevance of the European Citizen Science Association (ECSA) principles for mental health citizen science.

ITEMROUNDALLPARTICIPANTS BY ROLEPARTICIPANTS BY LIVED EXPERIENCE
PROJECT LEADSPUBLIC CONTRIBUTORSOWN LIVED EXPERIENCESUPPORTED OTHERSNO LIVED EXPERIENCE
B1: Citizen science projects actively involve citizens in scientific endeavour that generates new knowledge or understanding. Citizens may act as contributors, collaborators, or project leaders & have a meaningful role1 (consensus reached)4.6 (0.7)4.7 (0.7)4.4 (0.8)4.5 (0.8)4.8 (0.4)5.0 (0.0)
B2: Citizen science projects have a genuine science outcome13.9 (1.0)4.0 (0.9)3.9 (1.2)3.8 (1.1)4.3 (0.8)4.0 (0.6)
24.1 (0.6)4.1 (0.6)4.5 (0.7)4.1 (0.6)4.3 (0.5)4.0 (1.4)
B3: Both professional scientists & citizen scientists benefit from taking part1 (consensus reached)4.5 (0.7)4.5 (0.8)4.3 (0.8)4.5 (0.6)4.2 (1.2)4.7 (0.8)
B4: Citizen scientists may participate in multiple stages of the scientific process1 (consensus reached)4.1 (0.7)4.1 (0.7)4.0 (0.6)3.9 (0.7)4.3 (0.5)4.5 (0.5)
B5: Citizen scientists receive feedback from the project1 (consensus reached)4.6 (0.6)4.6 (0.6)4.6 (0.8)4.5 (0.7)4.7 (0.5)5.0 (0.0)
B6: Citizen science is considered a research approach like any other, with limitations & biases that should be considered & controlled for1 (consensus reached)4.4 (0.8)4.3 (0.9)4.6 (0.5)4.3 (0.8)4.7 (0.5)4.2 (1.2)
B7: Citizen science project data/meta-data are made publicly available & where possible, results are published in an open access format1 (consensus reached)4.3 (0.8)4.3 (0.8)4.3 (0.8)4.3 (0.9)4.5 (0.5)4.2 (0.8)
B8: Citizen scientists are acknowledged in project results & publications1 (consensus reached)4.4 (0.8)4.4 (0.8)4.4 (0.8)4.3 (0.9)4.5 (0.8)5.0 (0.0)
B9: Citizen science programmes are evaluated for scientific output, data quality, participant experience & impact1 (consensus reached)4.4 (0.8)4.3 (0.9)4.4 (0.5)4.3 (0.9)4.7 (0.5)4.3 (0.8)
B10: Project leads take into consideration legal & ethical issues of any activities1 (consensus reached)4.6 (0.6)4.6 (0.6)4.6 (0.8)4.5 (0.7)4.7 (0.5)5.0 (0.0)

[i] Note: Values presented are mean (standard deviation). 5 = essential, 4 = very important, 3 = somewhat important, 2 = a bit important, 1 = not important. Regular type = no consensus. Italics = moderate consensus (70%–79%). Bold = strong consensus (80% or more).

Table 3

Consensus on improving the quality of mental health citizen science (MHCS) projects.

ITEMROUNDALLPROJECT LEADSPUBLIC CONTRIBUTORSOWN LIVED EXPERIENCESUPPORTED OTHERSNO LIVED EXPERIENCE
D1: Public contributors & project leads work together to co-produce each stage of the research process13.8 (1.0)3.7 (1.0)4.3 (0.5)3.6 (1.1)3.8 (0.4)4.3 (0.5)
24.2 (0.9)4.2 (0.9)4.5 (0.7)4.2 (1.1)4.0 (0.0)4.5 (0.7)
D3: Digital platforms delivering projects feel safe & accessible for public contributors1 (consensus reached)4.1 (0.9)4.0 (1.0)4.4 (0.5)4.1 (1.1)4.2 (0.4)4.2 (0.8)
D4: Project leads are transparent, honest & competent in engaging with prospective public contributors1 (consensus reached)4.6 (0.6)4.7 (0.6)4.6 (0.5)4.6 (0.5)4.7 (0.8)4.6 (0.8)
D5: A clear definition of who can be a public contributor is provided1 (consensus reached)4.2 (0.9)4.1 (1.0)4.4 (0.5)4.3 (0.9)3.7 (1.0)4.3 (0.8)
D6: An inclusive definition of who can be a public contributor is provided1 (consensus reached)4.3 (0.8)4.2 (0.8)4.7 (0.4)4.4 (0.7)4.0 (1.1)4.3 (0.5)
D7: All project activities are described clearly1 (consensus reached)4.4 (0.9)4.3 (0.9)4.6 (0.8)4.3 (1.0)4.5 (0.5)4.3 (0.8)
D8: People using mental health services & people with lived experience NOT using services can be public contributors13.9 (1.1)3.9 (1.2)4.0 (0.6)3.7 (1.2)3.8 (0.4)4.7 (0.5)
24.1 (1.1)4.1 (1.1)4.5 (0.7)4.0 (1.3)4.0 (0.0)5.0 (0.0)
D9: People with significant experience of research in the same area cannot be public contributors11.7 (0.8)1.6 (0.6)2.3 (1.3)1.6 (0.9)1.8 (0.8)2.0 (0.6)
21.3 (0.6)1.3 (0.6)1.5 (0.7)1.3 (0.7)1.3 (0.5)1.0 (0.0)
D10: The aims and content of the planned project are described in an accessible manner to the public1 (consensus reached)4.8 (0.5)4.8 (0.4)4.6 (0.8)4.7 (0.6)4.8 (0.4)4.8 (0.4)

[i] Note: Values presented are mean (standard deviation). 5 = essential, 4 = very important, 3 = somewhat important, 2 = a bit important, 1 = not important. Regular type = no consensus. Italics = moderate consensus (70%–79%). Bold = strong consensus (80% or more).

Table 4

Consensus on creating sustainable communities of mental health citizen science (MHCS) public contributors.

ITEMROUNDALLPROJECT LEADSPUBLIC CONTRIBUTORSOWN LIVED EXPERIENCESUPPORTED OTHERSNO LIVED EXPERIENCE
E4: A clear & desirable identity about being a public contributor14.0 (1.1)3.9 (1.2)4.3 (0.8)4.0 (1.0)3.7 (1.2)4.2 (1.6)
24.1 (1.0)4.0 (1.1)4.5 (0.7)4.1 (1.1)3.8 (1.3)4.5 (0.7)
E6: A catalogue of learning resources enabling public contributors to build knowledge & increase involvement13.7 (0.9)3.7 (0.9)4.0 (1.0)3.8 (1.1)3.5 (0.5)3.7 (0.5)
23.9 (0.9)3.8 (0.9)4.5 (0.7)3.9 (1.2)4.0 (0.0)4.0 (0.0)
E7: Involvement opportunities which increase in responsibility as public contributors develop their knowledge13.7 (0.9)3.7 (0.9)3.7 (1.0)3.8 (1.0)3.5 (0.5)3.8 (0.8)
23.9 (0.9)3.8 (0.9)4.5 (0.7)4.1 (1.1)3.8 (0.5)3.5 (0.7)
E8: Co-operation between individual projects to enable continuous engagement in MHCS research if desired13.7 (0.8)3.6 (0.7)4.3 (0.8)3.9 (0.8)3.5 (0.8)3.5 (0.5)
24.2 (0.6)4.2 (0.6)4.5 (0.7)4.2 (0.7)4.0 (0.0)4.5 (0.7)
E10: Opportunities to join social support networks with other public contributors13.6 (1.0)3.4 (1.0)4.3 (0.5)3.7 (1.0)3.7 (0.8)3.3 (1.0)
23.9 (0.6)3.8 (0.6)4.5 (0.7)4.0 (0.7)3.8 (0.5)4.0 (0.0)

[i] Note: Values presented are mean (standard deviation). 5 = essential, 4 = very important, 3 = somewhat important, 2 = a bit important, 1 = not important. Regular type = no consensus. Italics = moderate consensus (70%–79%). Bold = strong consensus (80% or more).

Figure 1

Important features for mental health citizen science (MHCS): an expert consensus.

DOI: https://doi.org/10.5334/cstp.971 | Journal eISSN: 2057-4991
Language: English
Page range: 16 - 16
Submitted on: Dec 18, 2025
Accepted on: Jun 12, 2026
Published on: Jul 22, 2026
Published by: Ubiquity Press
In partnership with: Paradigm Publishing Services

© 2026 Joy Llewellyn-Beardsley, Stefan Rennick-Egglestone, Liz Dowthwaite, Olamide Todowede, Chris Greenhalgh, Doreen Boyd, Stuart Moran, Colleen Ewart, Corrine Hendy, Mike Slade, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.