997 resultados para History of the Educational Field


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Includes bibliography.

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"Privately published."

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Child-centeredness runs a familiar route in educational narratives. From Rousseau to Pestalozzi to Froebel to present day systems of childcare and schooling, childcenteredness is thought to have shifted the treatment of children into closer harmony with their true nature and hence into more sensitive and civilized forms of rearing. The celebratory air surrounding its deployment in education has been pervasive and difficult to contest partly because of the emotive alliances that have been drawn between child-centeredness and progressivism. That is, child-centeredness has been positioned as superseding a harsh, medieval ignorance of children while preventing present-day authoritarian strategies of domination. Child-centeredness is thus presently constituted as a soft space, as a deeply sensitive middle ground, between ignoring children and dominating them completely.

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There is a burgeoning literature on educational change – how to make it and how to understand its failures in order that the causes can be remedied next time. Much of this literature implies that when free and autonomous policy agents know what they are doing, they can shift institutional structures and habituated ways of doing and being. In this article we mobilize Bourdieu, who rejected this binary of structure and agency, in favour of the notion offield’, ‘habitus’ and ‘capitals’, to theorize one case of change. We describe the shifting policy-scape in Australia in the latter part of the twentieth century which created some opportunities for students to act as educational leaders and participate in making decisions about their learning and schooling. We then develop a specific and situated theorization of change in a contested and hierarchical educationalfield’. We argue that the continued press from the political field and the wider field of power to increase levels of mass schooling produced a ‘principal opposition’ in the schooling field between democratization and hierarchization. This opposition, we propose, is now in policies, institutional changes and
the varying actions of educators, making the field not only contested but also unstable: this produces further spaces and opportunities for both hierarchic and democratic changes.

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The primary goal of volcanological studies is to reconstruct the eruptive history of active volcanoes, by correlating and dating volcanic deposits, in order to depict a future scenario and determine the volcanic hazard of an area. However, alternative methods are necessary where the lack of outcrops, the deposit variability and discontinuity make the correlation difficult, and suitable materials for an accurate dating lack. In this thesis, paleomagnetism (a branch of Geophysics studying the remanent magnetization preserved in rocks) is used as a correlating and dating tool. The correlation is based on the assumption that coeval rocks record similar paleomagnetic directions; the dating relies upon the comparison between paleomagnetic directions recorded by rocks with the expected values from references Paleo-Secular Variation curves (PSV, the variation of the geomagnetic field along time). I first used paleomagnetism to refine the knowledge of the pre – 50 ka geologic history of the Pantelleria island (Strait of Sicily, Italy), by correlating five ignimbrites and two breccias deposits emplaced during that period. Since the use of the paleomagnetic dating is limited by the availability of PSV curves for the studied area, I firstly recovered both paleomagnetic directions and intensities (using a modified Thellier method) from radiocarbon dated lava flows in São Miguel (Azores Islands, Portugal), reconstructing the first PSV reference curve for the Atlantic Ocean for the last 3 ka. Afterwards, I applied paleomagnetism to unravel the chronology and characteristics of Holocene volcanic activity at Faial (Azores) where geochronological age constraints lack. I correlated scoria cones and lava flows yielded by the same eruption on the Capelo Peninsula and dated eruptive events (by comparing paleomagnetic directions with PSV from France and United Kingdom), finding that the volcanics exposed at the Capelo Peninsula are younger than previously believed, and entirely comprised in the last 4 ka.

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The Quaternary Vakinankaratra volcanic field in the central Madagascar highlands consists of scoria cones, lava flows, tuff rings, and maars. These volcanic landforms are the result of processes triggered by intracontinental rifting and overlie Precambrian basement or Neogene volcanic rocks. Infrared-stimulated luminescence (IRSL) dating was applied to 13 samples taken from phreatomagmatic eruption deposits in the Antsirabe–Betafo region with the aim of constraining the chronology of the volcanic activity. Establishing such a chronology is important for evaluating volcanic hazards in this densely populated area. Stratigraphic correlations of eruption deposits and IRSL ages suggest at least five phreatomagmatic eruption events in Late Pleistocene times. In the Lake Andraikiba region, two such eruption layers can be clearly distinguished. The older one yields ages between 109 ± 15 and 90 ± 11 ka and is possibly related to an eruption at the Amboniloha volcanic complex to the north. The younger one gives ages between 58 ± 4 and 47 ± 7 ka and is clearly related to the phreatomagmatic eruption that formed Lake Andraikiba. IRSL ages of a similar eruption deposit directly overlying basement laterite in the vicinity of the Fizinana and Ampasamihaiky volcanic complexes yield coherent ages of 68 ± 7 and 65 ± 8 ka. These ages provide the upper age limit for the subsequently developed Iavoko, Antsifotra, and Fizinana scoria cones and their associated lava flows. Two phreatomagmatic deposits, identified near Lake Tritrivakely, yield the youngest IRSL ages in the region, with respective ages of 32 ± 3 and 19 ± 2 ka. The reported K-feldspar IRSL ages are the first recorded numerical ages of phreatomagmatic eruption deposits in Madagascar, and our results confirm the huge potential of this dating approach for reconstructing the volcanic activity of Late Pleistocene to Holocene volcanic provinces.

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Los estudios sobre la formación de profesores en psicología nos fueron situando en el proceso de construcción del conocimiento profesional tanto en profesores como en psicólogos que ejercen la docencia, visualizando el papel que en él asumen los conocimientos construidos en los ámbitos académico y profesional y la relación entre ambos.

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Los estudios sobre la formación de profesores en psicología nos fueron situando en el proceso de construcción del conocimiento profesional tanto en profesores como en psicólogos que ejercen la docencia, visualizando el papel que en él asumen los conocimientos construidos en los ámbitos académico y profesional y la relación entre ambos.

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Los estudios sobre la formación de profesores en psicología nos fueron situando en el proceso de construcción del conocimiento profesional tanto en profesores como en psicólogos que ejercen la docencia, visualizando el papel que en él asumen los conocimientos construidos en los ámbitos académico y profesional y la relación entre ambos.

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"Chronological list of events (1800-[1865])" ... compiled by T. Campbell-Copeland (v. 1, p. [423]-474; v. 2, p. [393]-432) have special t.p. with imprint: New York, The J. H. Brown publishing company.

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"Committee charged with the compliation ... Major W. A Sawtell ... Capt. Frank R. Jeffrey ... Lieut. W. S. Griscom ... Lieut. Wm. R. Wright ... brigade historian."--p. 371.

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A later edition, abridged, was published under title: Gettysburg; where and how the regiments fought.