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"Craig, Diane"
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Science experiments with gravity & motion
Features easy and fun science experiments with gravity & motion using household items, no laboratory needed! Each activity includes easy instructions with how-to photos, and short science explanations.
Book
Modeling research universities
The future of the American academic research enterprise is considered. Data are presented that characterize the resources available for the 160 best-resourced research universities, a small subset of the 2,285 4-year, nonprofit, higher education institutions. A computational model of research universities was extended and used to simulate three strategic scenarios: status quo, steady decline in foreign graduate student enrollments, and downward tuition pressures from high-quality, online professional master’s programs. Four specific universities are modeled: large public and private, and small public and private. The former are at the top of the 160 in terms of resources, while the latter are at the bottom of the 160. The model’s projections suggest how universities might address these competitive forces. In some situations, it would be in the economic interests of these universities to restrict research activities to avoid the inherent subsidies these activities require. The computational projections portend the need for fundamental change of approaches to business for universities without large institutional resources.
Journal Article
The Effects of Perceived Stress on First Responders' Job Performance While Moderating for Self-Efficacy
Stress in the workplace results in substantial economic losses for U.S. organizations. The effects of perceived stress on reducing the job performance of first responders continue to be a concern for administrators in emergency response management. Grounded in self-efficacy theory, the purpose of this quantitative correlational study was to examine the moderating effects of self efficacy on the relationship between perceived stress and job performance among U.S. first responders. The sample comprised 78 men and 65 women (N = 143) from professional response agencies in the United States. They completed the Perceived Stress Scale, Endicott Work Productivity Scale, and the General Self-Efficacy Scale. The Spearman’s rho correlation between perceived stress and job performance was statistically significant, r(143) = .41, 95% CI [.26, .54], p < .01, indicating a moderate positive relationship. A multiple regression analysis including the interaction term (perceived stress × self-efficacy) was also significant, F(1, 139) = 34.34, p < .001, determining that self-efficacy moderated the relationship between perceived stress and job performance. Understanding this relationship can help first responder administrators create training programs and support systems to prepare first responders to manage the effects of perceived stress. The implications for positive social change include the potential for emergency response managers to establish policies and procedures that mitigate stress while enhancing the quality of work life for all U.S. first responders.
Dissertation
Gateway Utilization Capabilities and Status
Gateway will be a space station orbiting the Moon that will enable long-term presence in deep space. As part of the National Aeronautics and Space Administration’s (NASA) Artemis mission, Gateway will serve as a cornerstone of human deep space exploration and scientific discovery and a steppingstone to Mars. NASA leads the Gateway Program and serves as the integrator of spaceflight capabilities and contributions of U.S. commercial and international partners, European Space Agency (ESA), Japanese Aerospace Exploration Agency (JAXA) and the Canadian Space Agency (CSA), to develop and utilize Gateway. This paper provides an overview of the following utilization capabilities of Gateway: spacecraft overview, internal and external accommodations, resources for utilization, and vantage point for Earth, Sun, and Moon observations. Three utilization payloads have already been selected to fly on Gateway as part of the initial modules, Habitation and Logistics Outpost (HALO) and Power and Propulsion Element (PPE) modules: European Radiation Sensors Array (ERSA), Heliophysics Environmental and Radiation Measurement Experiment Suite (HERMES), and Internal Dosimeter Array (IDA). This paper will provide a short summary of each payload, the value behind conducting each payload, and share an overview of future utilization goals of Gateway.
Conference Proceeding