Decision-Making

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Learn how to make ethical decisions about including adults with potential capacity concerns in research. This section outlines the step-by-step decision-making process, from assessing capacity and providing supports to consulting personal or nominated consultees, ensuring participants’ rights and wishes are respected.


The process for the recruitment of people to a study is outlined in this video:


 

 


Flowchart of the decision-making process

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Summary

No concerns about capacity?

If there are no concerns about capacity:

  • The person makes their own decision about participation.
  • Outcome: Include or Exclude based on their choice.

Concerns about capacity?

If there are concerns about whether the person can:

  • Understand the study
  • Retain information about it
  • Weigh up the implications of taking part or not
  • Communicate their decision

Adjustments and Supports: Provide resources to support decision-making in the context of the study.

If the person is now able to make a decision:

  • The person makes their own decision about participation.
  • Outcome: Include or Exclude based on their choice.

If the person is still unable to make a decision:

Seek advice from a Personal Consultee, someone who is:

  • Known to the person and trusted regarding their welfare
  • Not paid to provide care
  • Not involved in the study
  • A friend, family member, attorney, or court-appointed deputy
  • If positive advice about inclusion: Include
  • If negative advice about inclusion: Exclude

If there is no Personal Consultee available, seek advice from a Nominated Consultee, someone who:

  • May or may not know the person
  • May provide paid care or professional services (e.g., a doctor)
  • Is not connected to the study or employed by the sponsor
  • If positive advice about inclusion: Include
  • If negative advice about inclusion: Exclude
Last modified: Friday, 12 September 2025, 9:16 AM