In much of society, research means to investigate
something you do not know or understand.
— Neil Armstrong

Articles in refereed journals:

Messner, M., Medina-Messner, V., & Guidry, J. (in press). Global health and social media: Using Instagram and Twitter in an open online class for global service-learning projects. Accepted for publication in Communication Teacher.

Messner, M., Guidry, J., Meganck, S., & Medina-Messner, V. (accepted with revisions). @JunckerEU vs. @MartinSchulz: How leading candidates in the 2014 European Parliament Elections campaigned on Twitter. Accepted for publication in Global Media and Communication.

Guidry, J. P. D., Messner, M., Jin, Y., Orr, C.A., Meganck, S., & Niyirora, J. (Under revision). #Ebola on Instagram and Twitter: How health organizations address the health crisis in their social media engagement. Public Relations Review.

Messner, M., & Guidry, J. P. D. (2015). Considering ethics in visual storytelling: A study of nonprofit organisations on Instagram. Prism.

Guidry, J. P. D., Messner, M., Carlyle, K., & Jin, Y. (2015). On pins and needles: How vaccines are portrayed on Pinterest. Vaccine 33, 5051-5056

Guidry, J.D., Zhang, Y., Jin, Y., & Parrish, C. (2016). Portrayals of Depression on Pinterest and Why Public Relations Practitioners Should Care. Public Relations Review, 42(1), 232-234.

Guidry, J. P. D., Jin, Y., Smith, J., Zhang, Y., & Haddad, L. (2016). How health risks are pinpointed (or not) on social media: The portrayal of waterpipe smoking on Pinterest. Health Communication, 31(6), 659-667.

Guidry, J. P. D., Messner, M., Jin, Y., & Medina-Messner, V. (2015). From #mcdonaldsfail to #dominossucks: An analysis of Instagram images about the 10 largest fast food companies. Corporate Communications: an International Journal 20 (3), 344-359

Guidry, J. P. D., Waters, R. D., & Saxton, G. D. (2014). Moving social marketing beyond personal change to social change: Strategically using Twitter to mobilize supporters into vocal advocates. Journal of Social Marketing 4 (3), 240-260

Book chapters:

Jin, Y., Austin, L., Guidry, J. P. D. & Parrish, C. (In press). Picture This and Take That: Strategic Crisis Visuals and Visual Social Media (VSM) in Crisis Communication. In: S. Duhé, (Ed.), New Media and Public Relations (3rd edition). New York, NY: Peter Lang Publishing.

Guidry, J. P. D., & Messner, M. (In press). Health Misinformation on Social Media: The Case of Vaccine Safety on Pinterest. In: Austin, L., & Jin, Y. (Eds.), Social Media and Crisis Communication. New York, NY: Routledge.

Guidry, J., Messner, M., Jin. Y., & Medina-Messner, V. (2015). Watch, listen and respond: Mobile pre-crisis monitoring on Instagram. PR News Social Media Guidebook.

Guidry, J. P. D., Messner, M., & Saxton, G. D. (2015). Tweeting Charities:  Perceptions, Resources, and Effective Twitter Practices for the Nonprofit Sector. In: Waters, R. D. (Ed.), Public Relations Theory and Practice in the Nonprofit Sector. New York, NY: Routledge.

Accepted refereed conference papers:

Guidry, J. P. D., Orr, C.A., Goyal, M., Tabaac, A., Carlyle, K., Meganck, S. L. & Messner, M. (2016, October). Voices of the #FlintWaterCrisis: An Analysis of Conversations on Twitter, Instagram, and Pinterest. Paper accepted for presentation in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Denver, CO

Guidry, J. P. D., Orr, C.A., Goyal, M., Perrin, P., Carlyle, K. & Messner, M. (2016, October). Suicide Conversations on Instagram: Contagion or Caring? Paper accepted for presentation in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Denver, CO

Orr, C.A., Guidry, J. P. D., Goyal, M., Carlyle, K., Perrin, P. & Messner, M. (2016, October). Peril or protection: Discussions about #CampusCarry on Twitter and Instagram. Paper accepted for presentation in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Denver, CO

Jin, Y., Guidry, J. P. D., Orr, C.A., Wojdynski, B., Lee, Yen-I., Messner, M., Carlyle, K., & Meganck, S.L. (2016, September). Getting the “Picture” Out about Zika: Effects of Framing, Visual Type and Source on Emotions and Intended Preventive Behaviors. Paper accepted for presentation at the EUPRERA conference, Groningen/Amsterdam, The Netherlands

Guidry, J. P. D., Orr, C.A., Goyal, M., Freberg, K., Carlyle, K., Messner, M. & Jin, Y. (2016, September). Welcome Or Not: Comparing The #Refugees Conversation On Instagram And Pinterest. Paper accepted for presentation at the EUPRERA conference, Groningen/Amsterdam, The Netherlands

Guidry, J. P. D., Orr, C.A., Adams, J., Waters, R., Messner, M. & Meganck, S.L. (2016, September). Health Infographics On Pinterest: More Than Just A Pretty Picture. Paper accepted for presentation at the European Association for Communication in Healthcare conference, Heidelberg, Germany

Guidry, J. P. D., Orr, C.A., Goyal, M., Adams, J., Hoving, C., Schneider, F., Meganck, S.L., Messner, M., Jin, Y. & Carlyle, K. (2016, September). Ecigarettes On Social Media: Smokescreen Or Solution? How People Talk About Ecigarette Smoking On Instagram. Paper accepted for presentation at the European Association for Communication in Healthcare conference, Heidelberg, Germany

Guidry, J. P. D., Orr, C.A., Carlyle, K., Messner, M. & Jin, Y. (2016, September). Framing Fears: The Anti-vaccine Movement On Pinterest And Lessons We Can Learn. Paper accepted for presentation at the European Association for Communication in Healthcare conference, Heidelberg, Germany

Guidry, J. P. D., Orr, C.A. & Carlyle, K. (2016, September). Visual Social Media: An Overview Of The Current State Of Research. Paper accepted for presentation at the European Association for Communication in Healthcare conference, Heidelberg, Germany

Refereed conference papers:

Guidry, J. P. D., Waters, R., Adams, J., Orr, C.A., Trin, S., Meganck, S.L. & Messner, M. (2016, August). Does anyone understand? A content analysis of health infographics on Pinterest. Paper presented at the AEJMC Conference, Minnesota, MN

Guidry, J. P. D., Carlyle, K., Orr, C., Glace, A., Tabaac, A., Conley, A., & Briones, R.
( 2016, April). Tweeting #WhyIleft and #WhyIstayed: Analyzing the conversation around intimate partner violence on Twitter. Poster presentation at VCU International Women’s Health Research Day, Richmond, VA

Guidry, J. P. D., Orr, C.A., Goyal, M., Tabaac, A., Perrin, P., Carlyle, K. & Messner, M. (2016, April). Voices #GunViolence on Instagram and Twitter: The Conversation in the Wake of the San Bernardino Shootings. Poster presentation at the Kentucky Conference on Health Communication, Lexington, KY

Guidry, J. P. D., Messner, M., Jin, Y., Meganck, S., & Niyirora, J. (2016, March). #Ebola on Instagram and Twitter: How health organizations address the health crisis in their social media engagement. Paper presented at the annual Forbes Graduate Research Colloquium, Richmond, VA

Guidry, J. P. D., Orr, C. A., Kim, S., Cacciatore, M., Jin, Y., and Messner, M. Dissecting the Root of Vaccine Misinformation on Pinterest: Examining Anti-Vaccine Organizations’ Conflict Strategies and Risk Communication. Paper presented at the annual International Public Relations Research Conference, March 2016, Miami, FL. International ABERJE Research Award.

Guidry, J. P. D., Meganck, S.L., Messner, M., Carlyle, K., & Goyal, M.
(2015, November). CDC, Facebook, Ebola, and everything else: How publics respond to the CDC posts about the recent Ebola outbreak compared to other public health topics. Poster presentation in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Chicago, IL

Guidry, J. P. D., Zhang, Y., Jin, J., & Kim, S. (2015, November). Depression on Pinterest: How Pinterest users respond to pins about depression in the light of social support and coping. Poster presentation in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Chicago, IL

Guidry, J. P. D., Carlyle, K., Orr, C., Glace, A., Tabaac, A., Conley, A., & Briones, R.
(2015, November). Tweeting #WhyIleft and #WhyIstayed: Analyzing the conversation around intimate partner violence on Twitter. Paper presented in the Public Health Education and Health Promotion section at the American Public Health Association Annual Meeting, Chicago, IL

Guidry, J. P. D., Haddad, L., Jin, Y., Zhang, Y. & Niyirora, J. (2015). How health risks are pinpointed  (or not) on social media: The portrayal of waterpipe smoking on Instagram. Poster presention at VCU Watts Day, Richmond, VA

Messner, M., Guidry, J., & Iroegbu, O. (2015, September). Mobile news reporting on Instagram: How major US news organisations engage their audiences via visual social media. Paper presented at the Future of Journalism Conference in Cardiff, UK.

Guidry, J. P. D., Meganck, S.L., Messner, M., Carlyle, K., Park, E. & Niyirora, J.
(2015, August). Disease outbreaks on Twitter: An analysis of tweets during the #Ebola and #measles crises. Poster presentation in the ComSHER division at the Association for Education in Journalism and Mass Communication Conference, San Francisco, CA

Guidry, J. P. D., Meganck, S.L., Messner, M. & Medina-Messner, V. (2015, August). @JunckerEU vs. @MartinSchulz: How leading candidates in the 2014 European Parliament Elections campaigned on Twitter. Poster presentation in the CTEC division at the Association for Education in Journalism and Mass Communication Conference, San Francisco, CA

Guidry, J. P. D. & Messner, M. (2015, May). Health Misinformation on Social Media: The Case of Vaccine Safety on Pinterest. Paper presented at the ICA Conference, Puerto Rico. Top Four Paper Award, Health Communication Division.

Messner, M. & Guidry, J.P. D. (2015, May). Considering Ethics in Visual Storytelling: A Study of Nonprofit Organizations on Instagram. Paper presented at the ICA Conference, Puerto Rico

Guidry, J. P. D., Meganck, S., Messner, M., Carlyle, K., & Niyirora, J. (2015, April). #Ebola on Pinterest and Twitter: How publics address the health crisis in the light of risk perception and health behaviors. Poster presentation at the DCHC Conference, Washington, DC

Guidry, J. P. D., Haddad, L., Jin, Y., Zhang, Y. & Niyirora, J. (2015, April). How health risks are pinpointed  (or not) on social media: The portrayal of waterpipe smoking on Instagram. Poster presentation at the DCHC Conference, Washington, DC

Messner, M., Guidry, J. P. D., Zhang, Y., Sabo, R., Robins, J., Longo, D., & Niyirora, J. (2015, April). Diabetes on Facebook: A case study of the social media engagement of the American Diabetes Association with its publics. Poster presentation at the DCHC Conference, Washington, DC

Guidry, J. P. D., Jin, Y., Zhang, Y. & Parrish, C. (2015, April). Communicating depression on Pinterest: Portrayals of depression and why public relations practitioners should care. Paper presented at the Southern States Communication Association Conference, Tampa, FL

Guidry, J. P. D. & Orr, C. A. (2015). The convergence of the use of social media and the use of health behavior theories in HPV vaccine uptake interventions. Poster presentation at the 11th Annual Women’s Health Research Day, Richmond, VA

Guidry, J. P. D. (2015). On pins and needles: How vaccines are portrayed on Pinterest. Paper presented at the annual Forbes Graduate Research Colloquium, Richmond, VA

Guidry, J. P. D., Messner, M., Jin, Y., Meganck, S., & Niyirora, J. (2015, March). #Ebola on Instagram and Twitter: How health organizations address the health crisis in their social media engagement. Paper presented at the Institute for Public Relations’ 17th International Public Relations Research Conference, Miami, FL. Top Three Papers for Practical Significance.

Guidry, J. P. D., Jin, Y., & Zhang, Y. (2014, October). Framing Public Health Issues with Images: How Pinterest Tells Stories of Depression. Paper presented at the Digital Disruption in Journalism and Mass Communication Theory Conference, Brussels, Belgium.

Guidry, J. P. D. (2014, August). On pins and needles: How vaccines are portrayed on Pinterest. Paper presented at the Association for Education in Journalism and Mass Communication conference, Montreal, Canada. Top Student Paper, ComSHER Division.

Guidry, J. P. D., Waters, R. D., & Saxton, G. D. (2014, August). Creating social change with public relations: Strategically using Twitter to turn supporters into vocal advocates. Poster presentation at the Association for Education in Journalism and Mass Communication conference, Montreal, Canada.

Guidry, J. P. D., Messner, M., Jin, Y., & Medina-Messner, V. (2014, March). From #mcdonaldsfail to #dominossucks: An analysis of Instagram images about the 10 largest fast food companies. Paper presented at the Institute for Public Relations’ 17th International Public Relations Research Conference, Miami, FL. Top Three Papers for Practical Significance.

Guidry, J. P. D. (2013, August). A tale of many tweets: How stakeholders respond to nonprofit  organizations’ tweets. Paper presented at the Association for Education in Journalism and Mass Communication conference, Washington, D.C. Top Three Student Paper, CTEC Division.