Abstract
This study examines how familiarity with an issue—nanotechnology—moderates the effect of exposure to science information on how people process mediated messages about a complex issue. In an online experiment, we provide a nationally representative sample three definitions of nanotechnology (technical, technical applications, and technical risk/benefit definitions). We then ask them to read an article about the topic. We find significant interactions between perceived nano-familiarity and the definition received in terms of how respondents perceive favorable information conveyed in the stimulus. People less familiar with nanotechnology were more significantly affected by the type of definition they received.
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Notes
The data in this study was used as a secondary source. In the original study, after reading the given definition, participants were asked to read a news post with randomly assigned comments about nanotechnology from a fictional science blog published by the Vancouver Sun newspaper (the blog post was written by a science writer and contained an equivalent amount of information regarding the risks and benefits of nanotechnology). After each treatment group read the same blog post but differently manipulated comments (i.e., comments with civility vs incivility; emotional vs rational comments; congruent vs incongruent comments), participants responded to a number of post-test questions that asked them to evaluate the arguments given in the blog post. This particular study, however, is interested in the influence of definition on message perception; so, we did not assume any theoretical effect of the experimental blog comment design for this study. Hence, we analyzed the data after controlling for the possible influence of the blog manipulations.
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Acknowledgements
This material is supported by grants from the National Science Foundation to the Center for Nanotechnology in Society at Arizona State University (Grant No. SES-0937591) and the UW-Madison Nanoscale Science and Engineering Center in Templated Synthesis and Assembly at the Nanoscale (Grant No. SES-DMR-0832760). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.
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This material is supported by grants from the National Science Foundation to the Center for Nanotechnology in Society at Arizona State University (Grant No. SES-0937591) and the UW-Madison Nanoscale Science and Engineering Center in Templated Synthesis and Assembly at the Nanoscale (Grant No. SES-DMR-0832760). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. The authors declare that they have no conflict of interest.
Appendix A for precise wording for the blog post
Appendix A for precise wording for the blog post
Risk vs benefits of nanosilver: U.S. EPA hearing coming up.
The U.S. Environmental Protection Agency began a 4-day hearing today about the possibility of nanotechnology products releasing toxins into the nearby water supply. The hearing follows the release of a study suggesting potential harmful effects of that water on human health.
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Kim, J., Akin, H., Brossard, D. et al. Selective perception of novel science: how definitions affect information processing about nanotechnology. J Nanopart Res 19, 167 (2017). https://doi.org/10.1007/s11051-017-3837-3
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DOI: https://doi.org/10.1007/s11051-017-3837-3