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Autore principale:	José Miguel Vílchez González
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Pontificia Universidad Católica de Valparaíso 2018
Soggetti:	Educación ciencia evaluación validación Formación de profesores
Accesso online:	https://www.redalyc.org/articulo.oa?id=333379455005
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Sommario:

EL DISEÑO DE UNIDADES DIDÁCTICAS EN LA FORMACIÓN INICIAL DE PROFESORES DE CIENCIAS: VALIDACIÓN DE UNA RÚBRICA José Miguel Vílchez González Francisco Javier Perales Palacios Educación ciencia evaluación validación Formación de profesores Una formación de calidad para el profesorado supone un factor esencial en el desarrollo de un país. Una actividad central de dicha formación es el diseño de unidades didácticas (UD). En este trabajo se aborda el proceso de validación de una rúbrica para la evaluación de las UD elaboradas por una muestra de profesores de ciencias de Educación Primaria en formación. Como punto de partida se considera una revisión del marco teórico que avala los elementos constituyentes de las UD que abordarán los futuros profesores. El proceso conlleva un intercambio de puntos de vista entre el profesorado y el contraste con las producciones de los alumnos. Los resultados indican una importante variabilidad en dichas producciones, una reseñable consistencia interna entre los diferentes apartados de la rúbrica y algunas deficiencias en el diseño de UD efectuado por la muestra de estudiantes participantes. 2018 artículo científico 0716-0488 https://www.redalyc.org/articulo.oa?id=333379455005 es http://www.redalyc.org/revista.oa?id=3333 Perspectiva Educacional, Formación de Profesores application/pdf Pontificia Universidad Católica de Valparaíso Perspectiva Educacional, Formación de Profesores (Chile) Num.1 Vol.57

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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Environment & details:

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Registered Handlers

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Documenti analoghi

Environment & details:

Environment & details: