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Updated: Jul 18, 2025

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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Does refining an intervention based on participant feedback increase acceptability? An experimental approach.

Chris Keyworth1, Leah Quinlivan2, Jessica Z Leather2,3

  • 1School of Psychology, University of Leeds, Leeds, LS2 9JT, UK. C.keyworth@leeds.ac.uk.

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|August 23, 2023
PubMed
Summary

Refining interventions based on participant feedback did not significantly increase acceptability in a study of adults who self-harmed. Both original and modified versions were found equally acceptable, highlighting the need for further research.

Keywords:
AcceptabilityExperimentalIntervention designMixed methods

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Area of Science:

  • Psychology
  • Public Health
  • Intervention Science

Background:

  • Participant feedback is crucial for intervention acceptability.
  • However, evidence on whether incorporating feedback improves acceptability is limited.

Purpose of the Study:

  • To assess if refining an intervention based on participant feedback increases its acceptability.
  • Utilized a theory-based approach to evaluate intervention modifications.

Main Methods:

  • 393 UK adults with a history of self-harm participated.
  • Intervention was administered at baseline and follow-up (6 months).
  • Participants were randomized to receive the original or a feedback-refined intervention, with acceptability rated across seven domains of the Theoretical Framework of Acceptability (TFA).

Main Results:

  • No significant changes in acceptability were observed between the control and experimental groups.
  • Both the original and modified intervention versions were rated as equally acceptable by participants.

Conclusions:

  • Refining interventions based on participant feedback did not impact acceptability in this study.
  • A robust methodology for assessing feedback impact was established.
  • Further research is needed to optimize the integration of participant feedback in healthcare intervention development.