851 research outputs found

    Fig. 1 in First Record of the Ectoparasitic Beaver Beetle,Platypsyllus castorisRitsema (Coleoptera: Leiodidae: Platypsyllinae), in New Jersey, U.S.A.

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    Fig. 1. Ventral view of Platypsyllus castoris taken from a beaver near Hyper Humus, Newton, Sussex Co., NJ.Published as part of <i>Moskowitz, David, 2011, First Record of the Ectoparasitic Beaver Beetle,Platypsyllus castorisRitsema (Coleoptera: Leiodidae: Platypsyllinae), in New Jersey, U.S.A., pp. 84-85 in The Coleopterists Bulletin 65 (1)</i> on page 84, DOI: 10.1649/0010-065x-65.1.84, <a href="http://zenodo.org/record/10109341">http://zenodo.org/record/10109341</a&gt

    Sam Moskowitz: A Bibliography and Guide

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    A comprehensive bibliography of the writings of Sam Moskowitz. Sam Moskowitz was a fixture in science fiction, from near the beginning to the present day. He was a fan, editor, author, historian, critic, WorldCon organizer, and cheerleader for the science fiction field. He was a prolific author of books, articles and letters. His books are readily available in libraries or for sale. The same cannot be said of many of his articles, and certainly not of his letters. Many of the articles and letters appeared in science fiction pulps and in fanzines. Some of the fanzines were quite professional in appearance, content and editing, and served a valuable service to science fiction scholarship in preserving much of the early history of science fiction. The writings of Sam Moskowitz are an important part of that historical archive. Eric Davin notes that "Sam Moskowitz saw himself as the science fictionhistorian of record." It is a good description. He researched and recorded much about the beginnings of science fiction that remains the only resource available on a particular person or topic. An accurate scholarly judgment of the historical and critical output of Moskowitz remains to be done. This edition supercedes "Sam Moskowitz: A Preliminary Bibliography" (2009)

    Transparent authentication methodology in electronic education

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    In the context of on-line assessment in e-learning, a problem arises when a student taking an exam may wish to cheat by handing over personal credentials to someone else to take their place in an exam, Another problem is that there is no method for signing digital content as it is being produced in a computerized environment. Our proposed solution is to digitally sign the participant’s work by embedding voice samples in the transcript paper at regular intervals. In this investigation, we have demonstrated that a transparent stenographic methodology will provide an innovative and practical solution for achieving continuous authentication in an online educational environment by successful insertion and extraction of audio digital signatures

    IRM Quarterly, Volume 24, Number 4 (Winter 2014-2015). Cover article: A new basis for the SI system of units: occasion to reconsider the presentation and teaching of magnetism

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    1 electronic resource (PDF)Stacey, Frank; Moskowitz, Bruce; Jackson, Mike; Dunlop, David; Ӧzdemir, Ӧzden; Banerjee, Subir. (2014). IRM Quarterly, Volume 24, Number 4 (Winter 2014-2015). Cover article: A new basis for the SI system of units: occasion to reconsider the presentation and teaching of magnetism. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/171789

    People, Preferences & Prices: Sequencing the Economic Genome of the Consumer Mind

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    This book explores a variety of topics that fall in the realm of psychological and behavioral economics. It demonstrates to the reader how to perform straightforward experiments in order to understand how people think about the economic aspects of their daily lives. Behavioral economics is a 'hot new area' of economics and consumer psychology. This book provides a comprehensive guide on consumer research and the types of results required. These approaches are spreading further around the globe, thanks to the work of Dr. Howard Moskowitz, one of the authors of this book, and the incredible success of Selling Blue Elephants. In other words, the book is just slightly ahead of a sea change in consumer research, and may be one of the 'tipping points'. (Coincidentally, Malcolm Gladwell, the bestselling author, is a great admirer of Dr. Moskowitz)</jats:p

    The effect of oxidation on the Verwey transition in magnetite

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    At the Verwey transition (Tv≈110–120 K), magnetite transforms from monoclinic to cubic spinel structure. It has long been believed that magnetic remanence and susceptibility would change markedly at Tv in the case of coarse grains but only slightly or inappreciably in the case of fine (<1 µm) grains. We find on the contrary that remanence changes at Tv by 50–80% in both large and small crystals, if they are stoichiometric. However, minor surface oxidation suppresses the transition, and the fact that fine grains oxidize more readily leads to an apparent size dependence. Our experiments used submicron magnetite cubes with mean sizes of 0.037, 0.076, 0.10 and 0.22 µm which were initially non-stoichiometric (oxidation parameter z from 0.2–0.7). A saturation isothermal remanent magnetization (SIRM) given in a 2.5 T field at 5 K decreased steadily during zero-field warming to 300 K with little or no indication of the Verwey transition. After the oxidized surface of each crystal was reduced to stoichiometric magnetite, the SIRM decreased sharply during warming by 50–80% around 110 K. The change in SIRM for the 0.22 µm grains was almost identical to that measured for a 1.5 mm natural magnetite crystal. Thus a 10^12 change in particle volume does not materially affect the remanence transition at Tv but oxidation to z=0.3 essentially suppresses the transition. The effect of the degree of oxidation on Tv provides a sensitive test for maghemitization in soils, sediments and rocks.This research was supported by NSERC Operating Grant A7709 to D.J.D. This is contribution 9302 of the Institute for Rock Magnetism. Support for the IRM is provided by grants from the Keck Foundation and the National Science Foundation.Özdemir, Özden; Dunlop, David; Moskowitz, Bruce. (1993). The effect of oxidation on the Verwey transition in magnetite. Retrieved from the University Digital Conservancy, 10.1029/93GL01483

    The role of data in health care disparities in medicaid managed care

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    Background: The Affordable Care Act includes provisions to standardize the collection of data on health care quality that can be used to measure disparities. We conducted a qualitative study among leaders of Medicaid managed care plans, that currently have access to standardized quality data stratified by race and ethnicity, to learn how they use it to address disparities. Methods: We conducted semi-structured interviews with 21 health plan leaders across 9 Medicaid managed care plans in California. We used purposive sampling to maximize heterogeneity in geography and plan type (e.g., non-profit, commercial). We performed a thematic analysis based on iterative coding by two investigators. Results: We found 4 major themes. Improving overall quality was tightly linked to a focus on standardized metrics that are integral to meeting regulatory or financial incentives. However, reducing disparities was not driven by standardized data, but by a mix of factors. Data were frequently only examined by race and ethnicity when overall performance was low. Disparities were attributed to either individual choices or cultural and linguistic factors, with plans focusing interventions on recently immigrated groups. Conclusions: While plans' efforts to address overall quality were often informed by standardized data, actions to reduce disparities were not, at least partly because there were few regulatory or financial incentives driving meaningful use of data on disparities. Standardized data, as envisaged by the Affordable Care Act, could become more useful for addressing disparities if they are combined with policies and regulations that promote health care equity.</p
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