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Counts of invitations, discussions, screening and enrollment identify where numbers change, but do not explain why. Reviewing participant experience alongside the funnel can reveal access and communication barriers behind numerical targets. Declining participation is not automatically evidence of a process failure.
Define the workflow
Define stages consistently and distinguish known reasons from assumptions. Respect a person’s choice not to explain. Consider whether reports about small groups could indirectly identify individuals, and avoid turning an aggregate indicator into a personal pressure or pursuit list.
Worked example
For example, many candidates leave after an information discussion. Staff first blame the advertisement, but voluntary feedback points to long visits. Instead of calling the same people more often, the team reviews how the schedule is explained and which burdens can be changed. A decision to decline is not recorded as a failed staff conversation.
Practical checks
- State what each stage counts and make unknown reasons explicit in the report.
- Review numerical changes alongside voluntary participant explanations and relevant process information.
- Assess improvement through clearer information and better access rather than stronger persuasion.
Decision and boundaries
A useful analysis identifies barriers to investigate while protecting voluntary decisions. Rates from different sources or periods may not mean the same thing; establish context before comparing them. Consider the pressure created by judging staff only on enrollment rates, and include the quality of information provision in the review.
Frequently asked questions
- Does low enrollment prove poor consent practice?
- Not always. An informed decision to decline can be an appropriate outcome. Examine the process and reasons in context.
- Should every refusal reason be mandatory?
- Do not pressure people to explain. Report unknown reasons honestly and collect information only through an appropriate process.