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Law enforcement officers regularly encounter critical incidents, which can result in the development of posttraumatic stress disorder (PTSD) symptoms. Multiple factors could impact the association between critical incidents and PTSD, particularly work environment stress (WES) and perceived organizational support (POS). We hypothesized that WES would moderate the association between critical incident frequency and PTSD symptoms, with POS interacting with WES to moderate the association. The current study used cross-sectional data from a sample of 120 officers (average age = 42.23 years, SD = 11.09; 80.8% male). WES interacted with critical incident frequency to impact PTSD symptoms (p =.05), while POS did not significantly moderate the association. Exploratory analyses identified only organizational stress as a significant moderator (p =.03). The current results provide insights regarding interactions between organizational supports and stressors, as well as PTSD symptoms, underscoring the potential importance of using research to guide the development of departmental policies and programs. Additional prospective experimental research is also needed. [ABSTRACT FROM AUTHOR]

This paper seeks to argue against the use of social media as an information resource and, in particular, that social media should not presently be considered a credible source of information for information professionals and the general public. Based on an exploration of the current literature, the authors discuss negative aspects of using social media for information purposes, namely, in terms of the dubious credibility of social media content, the commonality of echo chambers, and the effect of emotional content on users. There are several benefits of social media within our society, but ultimately social media should be approached with caution when it is used as a source of information for news, health-related information, or scholarly topics. Although this paper critiques social media primarily in terms of its implications for the library and information science field, it also views these various issues associated with social media more broadly in terms of their implications for the general public in shaping contemporary American culture, society, and politics. [ABSTRACT FROM AUTHOR]