ArticleAlzheimer's & dementia (New York, N. Y.)
Researcher photographs in recruitment materials to increase willingness to participate in brain health research.
Article in Alzheimer's & dementia (New York, N. Y.). The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07489144 (CO-creating Novel, Feasible, and Inclusive Research Methods), which is not on this map. Not yet cited in PubMed.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
CO-creating Novel, Feasible, and Inclusive Research Methods
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11 authors.
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Abstract
introductionInclusion science has demonstrated the relative value of recruitment strategies, including engaging people from the intended study population to help shape recruitment materials. Yet, these studies rarely describe specific design and content features of visual recruitment materials. We aimed to experimentally test the effects of one simple design feature - the inclusion of a photograph of the principal investigator in visual recruitment materials - on willingness to participate in research.
methodsWe conducted this experiment in community settings, tabling at community events (community health fairs, back-to-school events, and sporting events), from December 2023 to January 2025. 192 people completed the experiment.
resultsThe three-factor interaction of photograph type, similarity to researcher, and researcher credibility had a significant effect on willingness to participate in a brain health research study. DISCUSSION: Results demonstrate strategies for improving the effectiveness of advertisements. First, findings demonstrate the role of researcher credibility and similarity to researcher in volunteers' consideration of participation. Second, results suggest the use of researcher photographs in recruitment materials.
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