M Kumi Smith1,2, Bolin Cao2,3, Rong Fu4, Yang Zhao2, Chuncheng Liu2,5, Allison J Lazard6, Joseph D Tucker2,7. 1. Division of Epidemiology & Community Health, School of Public Health, University of Minnesota Twin Cities, Minneapolis, MN, USA. 2. SESH Global, Guangzhou, China. 3. School of Media and Communication, Shenzhen University, Shenzhen, Chin. 4. Department of AIDS/STD Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China. 5. Department of Sociology, University of California San Diego, San Diego, CA, USA. 6. School of Media and Journalism, University of North Carolina Chapel Hill, Chapel Hill, NC, USA. 7. School of Medicine, University of North Carolina Chapel Hill, Chapel Hill, NC, USA.
Abstract
INTRODUCTION: Extensive marketing and advertising research has informed a deep understanding of the link between visual design and consumer behaviors, providing a useful framework for assessing associations between HIV-related health posters and viewer responses. METHODS: Crowdsourced posters included finalist submissions from a series of nationwide crowdsourcing contests. CDC images were sampled from an online poster database maintained by the National Center for AIDS. Once coded according to a set of 27 visual features, posters were shown to an online sample of Chinese men who have sex with men-a group currently experiencing the highest HIV incidence in China-to assess their viewer response. RESULTS: CDC posters were more likely to use positive facial expressions (65% [95% CI, 40.9-83.7] versus 12.5% [95% CI, 2.2-4%]) and an educational messaging style (85% [95% CI, 61.1-96%] versus 31.3% [95% CI, 12.1-58.5]). Crowdsourced posters exhibited better craftsmanship than CDC posters (more design simplicity, image diversity, color choice, design quality, and moderate use of text) used more visual metaphors (56.3% [95% CI, 30.6-79.2] versus 5% [95% CI, 0.2-26.9%]). Several differences in visual complexity were identified but these lacked statistical significance. CONCLUSION: Crowdsourced posters were of higher craftsmanship, possibly due to their ability to recruit skills of professional designers. CDC posters' use of positive visual reinforcement (smiling faces) and educational messaging may be a legacy of their role in the early days of the epidemic in disseminating basic HIV/AIDS knowledge and dispelling misinformation. Crowdsourcing posters' used more metaphors, suggesting better ability to leverage in-group codes and language.
INTRODUCTION: Extensive marketing and advertising research has informed a deep understanding of the link between visual design and consumer behaviors, providing a useful framework for assessing associations between HIV-related health posters and viewer responses. METHODS: Crowdsourced posters included finalist submissions from a series of nationwide crowdsourcing contests. CDC images were sampled from an online poster database maintained by the National Center for AIDS. Once coded according to a set of 27 visual features, posters were shown to an online sample of Chinese men who have sex with men-a group currently experiencing the highest HIV incidence in China-to assess their viewer response. RESULTS: CDC posters were more likely to use positive facial expressions (65% [95% CI, 40.9-83.7] versus 12.5% [95% CI, 2.2-4%]) and an educational messaging style (85% [95% CI, 61.1-96%] versus 31.3% [95% CI, 12.1-58.5]). Crowdsourced posters exhibited better craftsmanship than CDC posters (more design simplicity, image diversity, color choice, design quality, and moderate use of text) used more visual metaphors (56.3% [95% CI, 30.6-79.2] versus 5% [95% CI, 0.2-26.9%]). Several differences in visual complexity were identified but these lacked statistical significance. CONCLUSION: Crowdsourced posters were of higher craftsmanship, possibly due to their ability to recruit skills of professional designers. CDC posters' use of positive visual reinforcement (smiling faces) and educational messaging may be a legacy of their role in the early days of the epidemic in disseminating basic HIV/AIDS knowledge and dispelling misinformation. Crowdsourcing posters' used more metaphors, suggesting better ability to leverage in-group codes and language.
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