Improving outcomes for primary school children at risk of cerebral visual impairments (the CVI project): study protocol for the process evaluation of a feasibility cluster-randomised controlled trial

Anna Pease, Trudy Goodenough, Parisa Sinai, Katie Breheny, Rose Watanabe, Cathy Williams*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

INTRODUCTION: Brain-related visual impairments, also known as cerebral visual impairment (CVI), are related to damage or poor function in the vision-related areas of the brain. There is broad agreement that CVI is an appropriate term to describe visual impairments that are not accounted by disorders of the eye or optic nerve, but differences remain as to which impairments can be included in this term. The CVI project is a programme of work that includes the development of a complex intervention to share knowledge with teachers, so that they can make both targeted and universal changes to support children with CVI. A feasibility study for a cluster-randomised controlled trial to evaluate this intervention is underway. This paper describes the protocol for an accompanying process evaluation to explore how the intervention is implemented and provide context for the interpretation of the feasibility trial outcomes.

METHODS AND ANALYSIS: A logic model has been developed to guide data collection. Both qualitative and quantitative data will be collected to assess the feasibility and acceptability of the intervention, the study design and explore how any changes that occur are brought about. Interviews with key primary school staff and parents will investigate responses to the intervention and trial processes. Surveys will collect data on intervention implementation and knowledge of CVI. Photographs of classroom walls will document any changes to visual clutter and document analysis will look for changes to school special educational needs and disability (SEND) policies.

ETHICS AND DISSEMINATION: Ethical approval was granted by the University of Bristol Faculty of Health Sciences Ethics Committee. Findings will contribute to the development of a full-scale cluster-randomised controlled trial to assess the effectiveness of the intervention with adequate statistical power. The results will also support the refinement of the intervention and its underlying theory.

Original languageEnglish
Article numbere044856
Number of pages10
JournalBMJ Open
Volume11
Issue number5
DOIs
Publication statusPublished - 5 May 2021

Bibliographical note

© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY. Published by BMJ.

Funding Information:
Funding University of Bristol provides Sponsorship for this study. The study is funded by the National Institute for Health Research (NIHR) Senior Research Fellowship ref: SRF-2015-08-005. The views expressed in this publication are those of the authors and not necessarily those of the NIHR, NHS or the UK Department of Health and Social Care.

Publisher Copyright:
© 2021 BMJ Publishing Group. All rights reserved.

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