11 research outputs found
Expansion of SNAP Online Purchasing Pilot to local food systems: An equity-focused policy brief
Online grocery shopping is recognized by the CDC as a strategy to limit COVID-19 exposure and has rapidly increased in popularity. However, SNAP participants can currently use benefits online with only a small selection of large retailers. While all retailers can apply to participate in the SNAP Online Purchasing Pilot, meeting technical standards required by the program is an expensive investment. Meanwhile, losses of essential revenue streams in local food systems are threatening small farms and minority farmers. Expansion of the SNAP Online Purchasing Pilot to local food retailers can promote safe healthy food access for low-resource households and increase market opportunity for farmers that are hurting financially. More importantly, sustaining the connection between local growers and their communities offers opportunity to erase health disparities burdening low-income and minority groups. Investing in this needed piece of infrastructure is one building block toward an equitable future in our food system.Master of Public Healt
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The Efficacy of Simulation as a Pedagogy in Facilitating Pre-Service Teachers’ Learning About Emotional Self-Regulation and its Relevance to the Teaching Profession
This study was undertaken in response to the imperative of teacher education courses incorporating National Professional Standards for Teachers, in particular Standard 7, which deals with the professional engagement of teachers (AITSL, 2011). It aimed to evaluate the efficacy of simulation and active recall as a learner-centred pedagogy in facilitating pre-service teachers’ learning about their capacity to self-regulate emotionally and its relevance to the profession. A simulated ‘critical incident’ was used in a lecture to guide students (n=106) to analyse and understand their emotional responses to an altercation between the lecturer and a colleague. The evaluation involved both quantitative and qualitative data collection. The study generated six useful insights associated with the efficacy of simulation pedagogy and revealed convincingly that this pedagogy can engage students actively in learning about the importance of emotional self-regulation in relation to their professional role as a teacher
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The effect of potato variety mixtures on epidemics of late blight, in relation to plot size and level of resistance
Potatoes of a number of varieties of contrasting levels of resistance were planted in pure or mixed stands in four experiments over 3 years. Three experiments compared the late blight severity and progress in mixtures with that in pure stands. Disease on susceptible or moderately resistant varieties typical of those in commercial use was similar in mixtures and pure stands. In 2 of 3 years, there were slight reductions on cv. Sante, which is moderately susceptible, in mixture with cv. Cara, which is moderately resistant. Cara was unaffected by this mixture. Mixtures of an immune or near-immune partner with Cara or Sante substantially reduced disease on the latter. The effect of the size of plots of individual varieties or mixtures on blight severity was compared in two experiments. Larger plots had a greater area under the disease progress curve, but the average rate of disease progress was greater in smaller plots; this may be because most disease progress took place later, under more favourable conditions, in the smaller plots. In one experiment, two planting densities were used. Density had no effect on disease and did not interact with mixture effects. The overall conclusion is that, while mixtures of potato varieties may be desirable for other reasons, they do not offer any improvement on the average of the disease resistance of the components
Cutting Edge: Critical Roles for Microbiota-Mediated Regulation of the Immune System in a Prenatal Immune Activation Model of Autism
Epidemic spread of a lesion-forming plant pathogen—analysis of a mechanistic model with infinite age structure
Spore dispersal and plant disease gradients : a comparison between two empirical models
Power law and exponential models were fitted to 325 sets of observations which described decreases with distance in deposition of air-borne or splash-borne spores, or pollen, or in amounts of plant disease caused by fungi, bacteria or viruses. There, was generally little difference between the models in the goodness of fit to these data, although deposition gradients for spores borne in splash droplets were fitted better by exponential models and gradients for fungi with air-borne spores less than 10 μm in diameter were fitted better by power law models. The exponential model has the property that the observed variable decreases by half as the distance from the source increases by a constant increment (the half-distance); this provides a measureof the gradient that is more easy to visualize than the exponent in power law model. The half-distances of gradients for air-borne pathogens were greater than those for splash-borne or soil-borne pathogens. The exponential model is easier to incorporate into models of disease development than the power law model because the boundary condition at the source (the estimated number of spores or amount of disease at the source) is finite rather than infinite. However, both these empirical models have limitations and should not be extrapolated to distances outside the observed range.Peer reviewe