Much of effective disaster risk communications practice is based on the equitable distribution of crisis messaging to the target population. Priority is given, for example, to getting an evacuation message to the most people possible using a language and medium appropriate to that audience. Cognitive dissonance (CD) studies, however, show that well-intentioned disaster management messaging not only can produce an undesirable public reaction, but can also solidify public sentiment to resist or deny that very message. This focused literature review of a modest-sized body of research on the effects of cognitive dissonance on disaster management risk communications will produce two results. First, the research will demonstrate that a basic understanding of CD could help disaster communicators craft more effective messaging and, second, it will introduce a preliminary cognitive dissonance index (CDI) that can be easily plugged into existing crisis communication models. This “upgrade” to existing risk communication frameworks represents an efficient method to close the theory to practice loop and begin to account for the power of CD in our national and international disaster communications.

As climate change focuses more frequent and intense disasters on vulnerable communities across the globe, mitigation and response resources need to be allocated more efficiently and equitably. Vulnerability assessments require time, skill, and cost money. In the United States (US), these assessments are mandated by the Federal Emergency Management Agency (FEMA) to qualify for federal funding. However, new trends in the literature clearly question their practical value. This study begins with a focused literature review which demonstrates that popular social vulnerability indices that create a single vulnerability score can diminish the significance of a lone variable, overlook the relevancy of all interconnected variables, and can result in contradictory policy recommendations. Next, existing case studies that used popular vulnerability assessment frameworks were compared to maps generated of the same study area that employed the single variable of poverty. These case study comparisons demonstrated how considering this greatest common variable among different vulnerable groups can often -quickly, efficiently, and inexpensively -reveal close to the same county and subcounty level community vulnerabilities detailed in costly assessments. Finally, a national survey of emergency managers was conducted to determine how much current social vulnerability indices were actually governing the ongoing distribution of resources to the communities being served. Results indicate that, while these indicator models may be underused nationally, those who do find them effective tend to be from higher income areas. This study questions the practical value of these indices for emergency management practice in the US and for meeting the goals of the Sendai Framework and other compacts.

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Purpose Current centralized humanitarian aid deployment practices may encourage urbanization thereby weakening short- and long-term resiliency of lower-income countries receiving aid. The purpose of this paper is first, to explore these shortcomings within the peer-reviewed literature and, second, propose a starting point for a solution with a decentralized humanitarian aid deployment (DHAD) framework. Design/methodology/approach The authors conducted a focused, qualitative review of available and relevant literature. Findings The literature reviewed demonstrates that current centralized humanitarian aid deployment models lack meaningful engagement of local assets while indicating a plausible connection between these same models and disaster urbanization. Next, the literature shows introducing a new decentralized model could represent a sustainable aid deployment standard for that country’s specific response, recovery, mitigation and planning opportunities and constraints. Research limitations/implications The next step is to develop a working DHAD model for a lower-income country using a multi-layered, GIS analysis that incorporates some or all of the socioeconomic and environmental variables suggested herein. Practical implications The practical potential of the DHAD framework includes establishing the impacted country in the lead role of their own recovery at the moment of deployment, no longer relying on foreign logistics models to sort it out once aid has arrived. Originality/value This paper discusses a topic that much of the literature agrees requires more research while suggesting a new conceptual framework for aid deployment best practices which is also largely absent from the literature.