Primary focusDecision-makers
Influence mechanismEvidence
At a glance
Best forBuilding a stronger basis for claims and decisions.
Creates change byTurning information, observations, and experiences into evidence that can be reviewed.
Works best whenBetter information could strengthen an argument, proposal, or decision.
What is Evidence Gathering?
Evidence Gathering is a participation strategy that builds a clearer and more reliable understanding of an issue.Participants can collect data, observations, experiences, documents, or specialist knowledge. When this information is reviewed carefully, it can reveal patterns, test assumptions, support concerns, and improve decisions.This strategy is especially useful when weak, missing, or incomplete information makes it difficult to understand the issue or make a strong case.“More information is not always better evidence.”
insights
Key takeawayEvidence strengthens a case by replacing unsupported claims with information that can be checked and reviewed.
Characteristics
Best used forInforming decisions
Influence mechanismEvidence
Primary focusDecision-makers
Time horizonWeeks
Organizational complexityModerate
External dependencyLow
Why it works
Generates evidenceProduces structured information that can support claims, proposals, decisions, or accountability.
Reduces uncertaintyProvides information or practical experience that makes risks, options, and possible outcomes clearer.
Builds legitimacyShows that an initiative has a credible basis, relevant support, or appropriate evidence.
Creates accountabilityMakes decisions, commitments, and results visible so they can be reviewed and compared.
Develops solutionsTurns concerns, knowledge, and ideas into concrete proposals or practical approaches.
How influence develops
1. Define what needs to be understoodIdentify the question, claim, or uncertainty that better evidence should address.
2. Gather relevant informationCollect suitable data, observations, experiences, documents, or specialist knowledge from appropriate sources.
3. Review the evidenceCheck the information for relevance, reliability, gaps, limits, and possible bias.
4. Identify patterns and findingsBring the information together and determine what the available evidence actually supports.
5. Build a stronger caseUse the findings to support concerns, test assumptions, or improve proposed solutions.
6. Use the evidenceApply the findings to decisions, public arguments, institutional engagement, policy work, or other strategies.
Decision guide
Use this strategy when
important claims do not have enough supporting evidence
better information could clarify the size or nature of a problem
important experiences or observations are not well documented
decision-makers need credible evidence before acting
future strategies depend on a better understanding of the issue
Avoid it when
enough reliable evidence already exists
the main problem is unwillingness to act rather than lack of information
the needed evidence cannot be collected responsibly
immediate action is necessary and more research would create harmful delay
Strategic strengths
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Strengthens credibilityDocumented evidence gives claims a stronger basis than unsupported statements or individual examples alone.
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Reduces uncertaintyCarefully collected information can clarify the size, causes, effects, or distribution of a problem.
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Reveals patternsCombining many observations or experiences can show patterns that individual contributions may not reveal.
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Supports other strategiesGood evidence can strengthen proposals, institutional engagement, monitoring, public communication, and legal action.
Practical limitations
Evidence does not ensure actionStrong evidence can explain a problem without changing whether decision-makers are willing or able to respond.
Quality can varyIncomplete, biased, inconsistent, or poorly collected information can weaken the conclusions.
Can take significant effortReliable evidence may require time, specialist knowledge, careful documentation, and review.
Some uncertainty may remainAvailable evidence may support careful conclusions without answering every question or disagreement.
Risks & ethics
Privacy riskParticipation or documentation may expose personal, sensitive, or identifying information.
BiasDecisions, evidence, or participation may consistently favor some perspectives over others.
MisrepresentationThe initiative may overstate support, evidence, representation, or likely results.
Unequal accessSome people may have fewer opportunities to participate because of practical or structural barriers.
Participant safetyParticipants may face physical, emotional, social, professional, or legal harm.
security
InsightCollect only the information that is really needed, and clearly separate what the evidence shows from what is still uncertain or open to interpretation.
Common mistakes
Unclear goalThe initiative has not clearly defined the result the strategy should support.
Insufficient evidenceClaims or decisions are made without enough credible information.
Excluding affected peopleRelevant or affected people are left out of planning, participation, or decision-making.
Measuring only numbersSuccess is judged only by counts instead of also considering quality, influence, or lasting results.
Ignoring feedbackParticipant, community, or expert input is collected but not properly considered.
Expected outcomes
Better evidenceThe initiative gains more credible, relevant, and well-organized information.
Greater awarenessMore people recognize the issue and understand why it matters.
Better public dialoguePublic discussion becomes better informed, more constructive, and more focused on the issue.
Policy changeA policy is introduced, changed, adopted, rejected, or implemented differently.
Institutional accountabilityAn institution is required to explain, review, or correct its decisions or actions.
Works well with
FAQ
What counts as evidence?It can include data, observations, documents, participant experiences, research, and specialist assessments. What counts as useful evidence depends on the question being examined.
Is collecting more evidence always useful?No. More evidence may add little value when the important facts are already clear and the main problem is a lack of action.
Can participant experiences be evidence?Yes. First-hand experiences can show important conditions and patterns. Their limits should still be clear, and they should not be used to support claims they cannot establish.
What should happen after evidence is collected?The findings should support a next step, such as improving a proposal, engaging an institution, monitoring progress, explaining a problem, or supporting legal action.