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Bibliographic Details
Main Author:	Beatriz Crujeiras-Pérez
Format:	Artículo científico
Language:	es
Published:	Universidad de Cádiz 2017
Subjects:	Educación Andamiaje Indagación Formación Inicial Profesorado Secundaria
Online Access:	https://www.redalyc.org/articulo.oa?id=92050579013 https://www.redalyc.org/journal/920/92050579013/ https://www.redalyc.org/journal/920/92050579013/html/ https://www.redalyc.org/journal/920/92050579013/92050579013.epub https://www.redalyc.org/journal/920/92050579013/movil
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Análisis de las estrategias de apoyo elaboradas por futuros docentes de educación secundaria para guiar al alumnado en la indagación Beatriz Crujeiras-Pérez Educación Andamiaje Indagación Formación Inicial Profesorado Secundaria El objetivo de este trabajo es examinar el diseño de estrategias de apoyo elaboradas por futuros docentes de educación secundaria para guiar al alumnado en la resolución de una actividad de indagación sobre enlace químico. Los participantes son 17 futuros docentes cursando la asignatura de didáctica de la física y la química del máster de formación de profesorado. Para ello se analizan las producciones escritas de los participantes en términos de adecuación de la información proporcionada a los estudiantes en el guión de la tarea y de las estrategias utilizadas para guiarlos en la indagación. Los resultados principales indican una tendencia general a guiar a los estudiantes en la utilización del contenido científico más que en la indagación. 2017 artículo científico 1697-011X https://www.redalyc.org/articulo.oa?id=92050579013 https://www.redalyc.org/journal/920/92050579013/ https://www.redalyc.org/journal/920/92050579013/html/ https://www.redalyc.org/journal/920/92050579013/92050579013.epub https://www.redalyc.org/journal/920/92050579013/movil es http://www.redalyc.org/revista.oa?id=920 Revista Eureka sobre Enseñanza y Divulgación de las Ciencias application/pdf Universidad de Cádiz Revista Eureka sobre Enseñanza y Divulgación de las Ciencias (España) Num.2 Vol.14

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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