791 research outputs found

    Effective Organizational Practices for Middle and High School Grades

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    At the request of the Accountability Review Council, Research for Action identified effective organizational practices used by better performing schools serving substantial numbers of low income middle and high school students in the School District of Philadelphia. These practices are organized into three spheres: Conditions for Teaching, Student-Centered School Community, and Instructional Program. For each sphere, the report offers broad strategies and specific practices to enact the strategies. Nuanced school case studies show how the practices can work synergistically and coherently in schools to help students succeed

    Archaeological Survey at Rancho de las Cabras, San Antonio Missions National Historic Park, 41WN30, Wilson County, Texas

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    A two-stage archaeological investigation and preliminary geomorphological assessment was conducted at Rancho de las Cabras, San Antonio Missions National Historical Park, by the Center for Archaeological Research (CAR) of The University of Texas at San Antonio for the National Park Service (NPS). The investigation was prompted by NPS plans to construct a parking lot and visitors\u27 center near the Spanish colonial ruins (41WN30). The geomorphological investigations are preliminary, with more fieldwork needed to test the proposed working model; however, the geomorphological conclusions suggest widespread potential for finding buried prehistoric sites in the alluvial terraces. Four newly identified surface lithic scatter sites were recorded and mapped. Sites 41WN90, 41WN92, and 41WN93 are presently on NPS property and 41WN91 is located on private land. These sites are located in the upland Early to Middle Pleistocene Leona Formation. Due to the paucity of surface and subsurface cultural material, and to previous subsurface disturbance in the form of deep root cutting and plowing, the four sites are considered to have minimal research potential. The three sites on NPS property are currently included in the National Register nomination filed in 1977; however, the systematic collection of surface artifacts conducted during the current investigation, has in effect, mitigated these sites by exhausting their research potential. Site 41WN91, located on private property, is not recommended as eligible for inclusion in the National Register. During the course of the archaeological investigation, two important cultural areas were identified near the Las Cabras ruins. Artifacts recovered near the western edge of the ruins demonstrate their association with the Colonial ranch; this area has been identified as culturally sensitive. West of the ruins, the second area is comprised of an isolated dark soil (over-thickened A-horizon) which may have formed from anthropogenic activities related to the Colonial ranch. Therefore, prior to any future ground disturbing activities, it is recommended that additional testing be conducted in the archaeologically sensitive area, the over-thickened A-horizon, and the alluvial terraces

    SR-SCARLET 1: Peregrin

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    This report presents a reconnaissance aircraft with a lifting body configuration. The aircraft is capable of flying a distance of 6000 nmi at Mach 5 with a payload of 7500 pounds. The aircraft does not require a runway for takeoff for it is air launched from a carrier aircraft. Specifically this report addresses the areas of external aerodynamics, cost, thermal protection systems, propulsion, stability and control, and materials. Each area is represented by a separate section. This allows for selective reading

    Making A Difference: Year Two Report of the Pennsylvania High School Coaching Initiative

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    This report examines the implementation of the second year of three for the Pennsylvania High School Coaching Initiative (PAHSCI). Funded by the Annenberg Foundation, this initiative focuses on literacy and math coaches providing support to teachers from across the major subject areas to create literacy-rich classrooms in which students actively engage in learning tasks that deepen their content knowledge and strengthen their abilities to think critically and communicate well. This report presents findings from the first two years of research. It includes survey research as well as in-depth qualitative research in participating schools and districts and provides recommendations for PAHSCI stakeholders as they refine the program and for other education reformers as they consider the benefits of instructional coaching as a strategy for improving high schools and student achievement

    Links to Learning and Sustainability: Year Three Report of the Pennsylvania High School Coaching Initiative

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    At the request of the Accountability Review Council, Research for Action identified effective organizational practices used by better performing schools serving substantial numbers of low income middle and high school students in the School District of Philadelphia. These practices are organized into three spheres: Conditions for Teaching, Student-Centered School Community, and Instructional Program. For each sphere, the report offers broad strategies and specific practices to enact the strategies. Nuanced school case studies show how the practices can work synergistically and coherently in schools to help students succeed

    Developing a Business Case for the Care Coordination and Transition Management Model: Need, Metrics, and Measures

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    In this descriptive qualitative study, nurse and healthcare leaders\u27 experiences, perceptions of care coordination and transition management (CCTM®), and insights as to how to foster adoption of the CCTM RN role in nursing education, practice across the continuum, and policy were explored. Twenty-five barriers to recognition and adoption of CCTM RN practice across the continuum were identified and categorized. Implications of these findings, recommendations for adoption of CCTM RN practice across the care continuum, and strategies for reimbursement policies are discussed

    Ancient Maya Regional Settlement and Inter-Site Analysis: The 2013 West-Central Belize LiDAR Survey

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    During April and May 2013, a total of 1057 km2 of LiDAR was flown by NCALM for a consortium of archaeologists working in West-central Belize, making this the largest surveyed area within the Mayan lowlands. Encompassing the Belize Valley and the Vaca Plateau, West-central Belize is one of the most actively researched parts of the Maya lowlands; however, until this effort, no comprehensive survey connecting all settlement had been conducted. Archaeological projects have investigated at least 18 different sites within this region. Thus, a large body of archaeological research provides both the temporal and spatial parameters for the varied ancient Maya centers that once occupied this area; importantly, these data can be used to help interpret the collected LiDAR data. The goal of the 2013 LiDAR campaign was to gain information on the distribution of ancient Maya settlement and sites on the landscape and, particularly, to determine how the landscape was used between known centers. The data that were acquired through the 2013 LiDAR campaign have significance for interpreting both the composition and limits of ancient Maya political units. This paper presents the initial results of these new data and suggests a developmental model for ancient Maya polities

    Methods, Systems and Apparatuses for Radio Frequency Identification

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    A system for radio frequency identification (RFID) includes an enclosure defining an interior region interior to the enclosure, and a feed for generating an electromagnetic field in the interior region in response to a signal received from an RFID reader via a radio frequency (RF) transmission line and, in response to the electromagnetic field, receiving a signal from an RFID sensor attached to an item in the interior region. The structure of the enclosure may be conductive and may include a metamaterial portion, an electromagnetically absorbing portion, or a wall extending in the interior region. Related apparatuses and methods for performing RFID are provided

    The Hubble Deep Field South Flanking Fields

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    As part of the Hubble Deep Field South program, a set of shorter 2-orbit observations were obtained of the area adjacent to the deep fields. The WFPC2 flanking fields cover a contiguous solid angle of 48 square arcminutes. Parallel observations with the STIS and NICMOS instruments produce a patchwork of additional fields with optical and near-infrared (1.6 micron) response. Deeper parallel exposures with WFPC2 and NICMOS were obtained when STIS observed the NICMOS deep field. These deeper fields are offset from the rest, and an extended low surface brightness object is visible in the deeper WFPC2 flanking field. In this data paper, which serves as an archival record of the project, we discuss the observations and data reduction, and present SExtractor source catalogs and number counts derived from the data. Number counts are broadly consistent with previous surveys from both ground and space. Among other things, these flanking field observations are useful for defining slit masks for spectroscopic follow-up over a wider area around the deep fields, for studying large-scale structure that extends beyond the deep fields, for future supernova searches, and for number counts and morphological studies, but their ultimate utility will be defined by the astronomical community.Comment: 46 pages, 15 figures. Images and full catalogs available via the HDF-S at http://www.stsci.edu/ftp/science/hdfsouth/hdfs.html at present. The paper is accepted for the February 2003 Astronomical Journal. Full versions of the catalogs will also be available on-line from AJ after publicatio
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