Brian G. Southwell

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As part of the formative research for developing interventions to increase colorectal cancer screening in men and women aged 50 and older, 14 focus groups were conducted to identify (1) knowledge, attitudes, and beliefs about colorectal cancer and colorectal cancer screening, (2) barriers to screening, and (3) strategies for motivating and supporting(More)
This study employs focus group methodology to explore gender differences in sunscreen use. Guided by the theory of reasoned action, males and females were found to differ on each of the following constructs: behavior, behavioral beliefs, and normative beliefs. Males and females differed in their sunscreen use, with females adopting a more preventive style(More)
INTRODUCTION Electronic cigarettes (e-cigarettes) are battery-powered nicotine delivery devices that have become popular among smokers. We conducted an experiment to understand adult smokers' responses to e-cigarette advertisements and investigate the impact of ads' arguments and imagery. METHODS A U.S. national sample of smokers who had never tried(More)
Mass media content likely influences the decision of women to breastfeed their newborn children. Relatively few studies have empirically assessed such a hypothesis to date, however. Most work has tended to focus either on specific interventions or on broad general commentary about the role of media. In this study, we examined infant feeding advertisements(More)
Engaging social networks to encourage preventive health behavior offers a supplement to conventional mass media campaigns and yet we do not fully understand the conditions that facilitate or hamper such interpersonal diffusion. One set of factors that should affect the diffusion of health campaign information involves a person's community. Variables(More)
On a basic level, perception of user control over media content should be partially a function of control option availability. At the same time, prior user experience with control options should interact with control availability to produce joint effects on control perception. To assess these ideas, we present experimental data from 101 University students(More)
RTI International is an independent, nonprofit research organization dedicated to improving the human condition by turning knowledge into practice. The RTI Press mission is to disseminate information about RTI research, analytic tools, and technical expertise to a national and international audience. RTI Press publications are peer-reviewed by at least two(More)
To the Editor: Scholars have routinely noted ways in which scientific inquiry is isolated from public life and popular attention and have bemoaned relatively low levels of scientific literacy among lay audiences (1–3). While public understanding of science in the United States and elsewhere undoubtedly is not at the level desired by most scientists,(More)