54 research outputs found

    Digital resources and didactic methodology in the initial training of History teachers

    Get PDF
    This paper analyzes the links that exist between the perceptions of teachers-in-training regarding the use of digital resources in the Secondary Education classroom and their own methodological and epistemological conceptions. Shulman’s theories continue to largely guide current research on teacher knowledge. However, the impact caused by the new technologies has inspired new approaches like T-PACK, which put the focus on the teachers’ digital competence. In order to address this goal, information has been collected by means of a questionnaire implemented in 22 universities, 13 Spanish (344 participants) and 9 British (162 participants). The analysis of data was conducted along three phases: a) examination of the structure of assessments regarding the usefulness of digital resources by analyzing latent classes; b) estimation of confirmatory factor models for variable evaluation processes, History as a formative subject and historical competencies; c) estimation of interclass differences by using confirmatory factor models. The results showed four types of response regarding the use of digital resources in the classroom that were polarized about two items: comics and video games. Important interclass differences have likewise been found regarding methodological issues (traditional and innovative practices), as well as less important differences concerning epistemological conceptions and views on the development of historical competencies in the classroom

    Addition of Phosphorus Trihalides to Olefins 1

    No full text

    Recursos digitales y metodología didáctica en la formación inicial de docentes de Historia

    No full text
    This paper analyzes the links that exist between the perceptions of teachers-in-training regarding the use of digital resources in the Secondary Education classroom and their own methodological and epistemological conceptions. Shulman’s theories continue to largely guide current research on teacher knowledge. However, the impact caused by the new technologies has inspired new approaches like T-PACK, which put the focus on the teachers’ digital competence. In order to address this goal, information has been collected by means of a questionnaire implemented in 22 universities, 13 Spanish (344 participants) and 9 British (162 participants). The analysis of data was conducted along three phases: a) examination of the structure of assessments regarding the usefulness of digital resources by analyzing latent classes; b) estimation of confirmatory factor models for variable evaluation processes, History as a formative subject and historical competencies; c) estimation of interclass differences by using confirmatory factor models. The results showed four types of response regarding the use of digital resources in the classroom that were polarized about two items: comics and video games. Important interclass differences have likewise been found regarding methodological issues (traditional and innovative practices), as well as less important differences concerning epistemological conceptions and views on the development of historical competencies in the classroom.El objetivo de este trabajo es analizar los vínculos entre las percepciones del profesorado en formación sobre el uso de los recursos digitales en el aula de Secundaria, y sus concepciones metodológicas y epistemológicas. Las teorías de Shulman siguen orientando en gran medida las investigaciones sobre el conocimiento del profesorado. Sin embargo, el impacto de las nuevas tecnologías ha impulsado nuevos enfoques, como el T-PACK, que incide en la competencia digital docente. Para abordar este objetivo se ha recogido información de un cuestionario implementado en 22 universidades, 13 españolas (344 participantes) y 9 inglesas (162 participantes). Los análisis de datos se realizaron en tres fases: a) exploración de la estructura de las valoraciones sobre la utilidad de los recursos digitales mediante análisis de clases latentes; b) estimación de los modelos factoriales confirmatorios para las variables procesos de evaluación, Historia como materia formativa, y competencias históricas; c) estimación de las diferencias entre clases. Los resultados mostraron cuatro perfiles de respuesta en función de la opinión sobre el uso de los recursos en el aula, y polarizadas en torno a dos ítems: cómics y videojuegos. También se ha podido comprobar importantes diferencias entre clases en cuestiones metodológicas (prácticas tradicionales e innovadoras); y diferencias menos importantes sobre percepciones epistemológicas y de desarrollo de competencias históricas en el aula

    Digital resources and didactic methodology in the initial training of History teachers

    Get PDF
    El objetivo de este trabajo es analizar los vínculos entre las percepciones del profesorado en formación sobre el uso de los recursos digitales en el aula de Secundaria, y sus concepciones metodológicas y epistemológicas. Las teorías de Shulman siguen orientando en gran medida las investigaciones sobre el conocimiento del profesorado. Sin embargo, el impacto de las nuevas tecnologías ha impulsado nuevos enfoques, como el T-PACK, que incide en la competencia digital docente. Para abordar este objetivo se ha recogido información de un cuestionario implementado en 22 universidades, 13 españolas (344 participantes) y 9 inglesas (162 participantes). Los análisis de datos se realizaron en tres fases: a) exploración de la estructura de las valoraciones sobre la utilidad de los recursos digitales mediante análisis de clases latentes; b) estimación de los modelos factoriales confirmatorios para las variables procesos de evaluación, Historia como materia formativa, y competencias históricas; c) estimación de las diferencias entre clases. Los resultados mostraron cuatro perfiles de respuesta en función de la opinión sobre el uso de los recursos en el aula, y polarizadas en torno a dos ítems: cómics y videojuegos. También se ha podido comprobar importantes diferencias entre clases en cuestiones metodológicas (prácticas tradicionales e innovadoras); y diferencias menos importantes sobre percepciones epistemológicas y de desarrollo de competencias históricas en el aula

    herilearn.csv

    No full text
    Data from 1454 respondents to the Q-Herilearn scale measuring different dimensions related to heritage learning in digital environments. </p

    Aqueous biphasic olefin hydroformylation catalyzed by water-soluble rhodium complexes

    No full text
    Catalysis with water-soluble rhodium complexes, RhCl(CO)(TPPMS)2, [TPPMS = P(C6H5)2(C6H4SO3)] (1), RhCl(CO)(TPPDS)2, [TPPDS = P(C6H5)(C6H4SO3)2] (2) and RhCl(CO)(TPPTS)2, [TPPTS = P(C6H4SO3)3] (3) in hydroformylation of 1-hexene, 2-pentene, 2,3-dimethyl-1-butene, cyclohexene and several mixtures of these olefins have been studied, under moderate reaction conditions (T: 50–150 C; pCO/pH2 = 1; total p: 14–68 bar; Substrate/ Catalyst: 600/1) in biphasic toluene/water media. The catalytic system shows high activity but low selectivity. The linear and branched oxygenated products obtained are equally useful in naphtha upgrading, as observed in the real El Palito naphtha tried. The catalysts can be recycled several times without significant activity [email protected]@ula.ve, [email protected]@[email protected]@[email protected]

    Biphasic catalysis with RuCl2(DMSO)(TPPMS)3

    No full text
    A mononuclear RuCl2(DMSO)(TPPMS)3 complex (1) (TPPMS ¼ triphenylphosphine monosulfonate) has been synthesized. Spectroscopic analysis by i.r., u.v.–vis., 1H-, 13C-, 31P-n.m.r., cyclic voltammetry, m.s. analysis and MO calculations were in agreement with a possible octahedral structure. Biphasic (H2O/PhMe) catalytic studies have shown good olefin hydrogenation activity by the complex at moderate temperature and [email protected]@ula.ve, [email protected]@[email protected]@[email protected]
    corecore