This article reports a content analysis of YouTube videos related to the human papillomavirus (HPV) vaccine. In total, 172 YouTube videos were examined with respect to video sources, tones, and viewer responses. Additionally, coverage of specific content was analyzed through the lens of the Health Belief Model (Rosenstock, 1974) and in terms of two content themes (i.e., conspiracy theory and civil liberties). The relations among these aspects of the videos were assessed as well. We found that most of these videos were news clips or consumer-generated content. The majority of the videos were negative in tone, disapproving of the HPV vaccine. In addition, negative videos were liked more by the viewers than positive or ambiguous ones. Accusations of conspiracy theory and infringement of civil liberties were manifested in these videos. The videos also presented mixed information related to the key determinants of health behavior as stipulated in the Health Belief Model. Implications for the findings are discussed.

This research investigated how voters select, process, are affected by, and recall political information in a dynamic campaign environment. It was hypothesized that voters' information selection, processing, and recall are subject to a negativity bias (i.e., negative information dominates over positive information), a congruency bias (i.e., positive information about the preferred candidate and negative information about the opponent candidate dominate over negative information about the preferred candidate and positive information about the opponent), and a candidate bias (i.e., information about the preferred candidate dominates over information about the opponent). Motivated by an initial candidate preference, participants were also expected to develop more polarized candidate evaluations over time. Participants were exposed to quickly changing information in the form of newspaper-style headlines on a dynamic, computer-based information board. The results generally supported negativity bias and candidate bias, whereas congruency bias was only found during information recall. At the information selection and processing stages, participants with a strong initial candidate preference showed a disproportionate preference for negative information about the preferred candidate. However, they developed more positive attitudes at the evaluation and recall stage. This finding suggests that participants were engaged in motivated information processing by counterarguing negative information about their preferred candidate.

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Research on procedural justice shows that when people view procedures as fair, they are more satisfied with the process and accepting of the outcomes. The group value model, in particular, argues that people care about procedural justice because it communicates whether those in charge are neutral, trustworthy, and respectful of people's rights. This study tested the group value model using survey data from people attending U.S. Food and Drug Administration advisory committee meetings. The results confirmed a strong role for procedural justice, even when controlling for procedural knowledge, tolerance for potential conflicts of interest among committee members, and respondents' stakes in the outcomes. [T]o seem to be just to the disappointed participant, to retain his allegiance, this must surely be one of the more difficult tests that a decision‐making system can undergo (Thibaut & Walker, 1975, p. 68).

This study uses a mail survey (N = 1,305) conducted in two Upstate New York counties to explore relationships between media use and individual fairness judgments regarding local scientists. It extends previous work in organizational justice to a community setting, with local scientists evaluated according to four social-psychological dimensions of justice—distributive, procedural, interpersonal, and informational. Results show science news attention positively related to perceived distributive, procedural, and interpersonal justice of local scientists. The conclusions argue that justice constructs can help media researchers better understand society's relationship with authorities.