GCRI · Campaigns
Participation consent
Many campaigns ask people to do more than read: to share stories, appear in photographs, answer surveys, volunteer or contribute data. Participation consent is the set of conditions that keeps those roles voluntary and safe: information people can understand, freedom to refuse or withdraw without penalty, limits on how contributions and data are used, and protection for children and others at risk. This page sets out how consent weakens in practice, how it is recorded and checked, and who holds the decisions.
Participation consent on the record.
Participation consent: how the risk develops.
Voluntary roles and privacy. The dossier below sets out how the risk develops, what is measured, where the data come from, how it is modelled and who decides.
Consent is a process, not a form
Valid consent is informed, specific, freely given and revocable. A signature at the start records one moment; understanding can be partial, circumstances change and new uses of the material arise. Consent that is never revisited drifts away from what people agreed to.
Pressure undermines voluntariness
Incentives, community leaders, teachers, employers and service providers can make refusal feel costly. Where participation is linked to aid, grades or access to services, the line between invitation and obligation blurs, even when no one intends it.
Data travel further than intended
Photographs, testimonies and survey responses are copied, reposted and combined. Details that are harmless alone can identify a person when joined, and material published online cannot be fully recalled. Risks are higher for minors, survivors and people in conflict or insecure legal status.
Withdrawal must be real
A right to withdraw means little without a channel to use it, a named person to receive it and a process that deletes the material or stops its use. Where deletion is impossible, people need to know that before they agree.
Campaign wave tracker.
The screen a team would use to follow this subject: its measures, states and decisions. Names are examples and values are illustrative.
Campaign wave tracker
Participation consent · Wave 3 · Campaign area North
- People reached17677Active
- Consent complete, % of participants99Normal
- Knowledge score change1.2pointsNormal
- Open feedback items10Watch
Preparedness actions by area
Messages under test
| Prepare a water reserve | A | 56 | Revise |
| Know your warning levels | B | 35 | Keep |
| Check on neighbours | A | 72 | Keep |
Safeguarding and consent
- S-1Minor enrolled without guardian recordPause and verify2 d
- S-2Withdrawal requestData deleted, logged3 d
Consent governs participation in every domain’s campaigns.
- HealthIn practiceHealth-related participation data are sensitive.What a reader can checkConsent records
- BiodiversityIn practiceCommunity knowledge needs free, prior and informed consent.What a reader can checkConsent and withdrawal
- WaterIn practiceHousehold water data are personal.What a reader can checkData minimisation
Consent practice is designed for the Methods and Technical series. The GDPR and the Aarhus Convention frame consent and participation rights.
- Questions about consent.
- Requests to withdraw.
How participation consent is modelled, measured and tested.
The model, its assumptions, its data and its uncertainty, in the form a scientist or engineer would check. Structures follow published methods. The values drawn are illustrative, not findings.
System model
The couplings between the systems in participation consent: signs of influence, a reinforcing and a balancing loop, and cross-links where stress jumps.
What is measured, and how well.
Each indicator carries its unit, its cadence, the kind of source behind it and the evidence label a value would carry. No values are shown: a programme supplies them under its own authority.
| Indicator | Unit | Cadence | Source type | Label |
|---|---|---|---|---|
| Valid consent records | participants with a complete record, of participants | per activity | Consent register | DECLARED |
| Comprehension of consent information | percent answering check questions correctly | per cohort | Teach-back or short quiz | OBSERVED |
| Withdrawal requests closed on time | requests closed within the stated period, of requests received | monthly | Withdrawal log | REPORTED |
| Minors with guardian consent and own assent | complete records, of minors taking part | per activity | Consent register | DECLARED |
| Data subject requests | count by type and days to close | monthly | Request log | REPORTED |
| Personal data breaches | count by severity | annual | Breach register and regulator notifications | Published statistics |
| Participants reporting pressure to take part | percent of exit respondents | per activity | Anonymous exit survey | REPORTED |
Where the evidence comes from.
Named public datasets and institutional records, each with its licence class. Sources by agreement are used only under their terms and never republished.
| Source | What it gives | Licence class |
|---|---|---|
| European Data Protection Board guidelines on consent | Interpretation of consent conditions, withdrawal and children’s consent under the GDPR | Free to read and reuse with attribution |
| Information Commissioner’s Office enforcement and annual reports (United Kingdom) | Enforcement actions, complaint statistics and guidance on consent and children’s data | Open Government Licence |
| GDPRhub | Summaries of decisions by data protection authorities and courts across Europe | Free to read; reuse per terms |
| Special Eurobarometer on data protection | Public awareness of data rights and concern about control of personal data | Free reuse with attribution |
| Global Kids Online | Survey instruments and data on children’s online experiences and rights | Free to use with attribution, per terms |
| Research ethics committee records | Approved protocols, consent materials and amendments | By agreement with each committee |
Who decides, and what the evidence serves.
Campaigns prepares evidence. The decisions below are taken by the authorities named, under their own rules, and never by the platform.
| Who decides | The question | Evidence this page serves |
|---|---|---|
| Data protection authorities | Whether consent was valid and whether processing had a lawful basis | Consent records; data maps; withdrawal and breach logs |
| Research ethics committees | Whether a participation design is voluntary and its risks proportionate | Consent materials; comprehension checks; safeguarding notes |
| Schools and education authorities | Whether pupils can take part, and on what terms for consent and assent | Guardian consent and assent records; material reviewed for age |
| Community organisations and campaign partners | Whether to invite members to take part, and how to protect those who decline | Participation guides; exit survey results; pressure safeguards |
Outputs this topic produces
- Responsible participation guides stating roles, rights and how to leave
- Consent materials in plain language and accessible formats, with comprehension checks
- Data maps showing where participant contributions go and when they are deleted
- Safeguarding notes for work with children and people at risk
What experts ask.
- 01
Is the choice genuinely free?
Whether people can decline without losing anything, including services, standing or goodwill.
- 02
Do people know what they agree to?
Whether purpose, use, retention and withdrawal are explained in plain language and accessible formats.
- 03
What data is really needed?
How to collect the minimum, keep it no longer than the purpose requires and protect it.
- 04
Who needs extra protection?
Children, people in crisis, communities with histories of extraction and anyone in a dependent relationship.
What drives the outcome.
Consent is undermined by power. When a campaign is run with a service provider, an employer or an aid agency, people may feel unable to refuse. Consent forms written in technical language, or offered only in one language, produce agreement without understanding.
Data creates lasting risk. Location, health and identity information can expose people to harm long after a campaign ends, especially in conflict, displacement or disaster. Images and stories shared in good faith can be reused out of context.
Communities hold collective interests too. Local and Indigenous knowledge may carry rules about who can share it and how. Respecting them is part of consent, not an optional extra.
How evidence is gathered, and where it stops.
| Method | What it shows | Its limit |
|---|---|---|
| Consent protocol | Purpose, use, retention and withdrawal | A form records agreement, not understanding |
| Comprehension checks | Whether participants understood the terms | Adds time and can feel intrusive |
| Data minimisation review | Which fields can be dropped | Requires discipline against collecting extra |
| Ethics and safeguarding review | Risks to participants | Reviewers must be independent of the campaign |
How it is studied, and what the methods cannot say.
Where this page’s references lead.
The bodies and documents this page is read against. Status and editions change; each link goes to the issuing body.
Questions and answers.
Is consent always required?
Can someone withdraw after taking part?
What about children?
Why ask about pressure in an exit survey?
Can I withdraw after taking part?
Is my data shared with other institutions?
Who do I contact about my data?
Contribute evidence from this page.
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