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Dettagli Bibliografici
Autore principale:	Víctor Gómez Llombart
Natura:	Artículo científico
Lingua:	es
Pubblicazione:	Universidad de Cádiz 2015
Soggetti:	Educación Dibujo hormigas modelos mentales procesos observacionales representaciones mentales
Accesso online:	https://www.redalyc.org/articulo.oa?id=92041414017
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Describir y dibujar en ciencias. La importancia del dibujo en las representaciones mentales del alumnado Víctor Gómez Llombart Valentín Gavidia Catalán Educación Dibujo hormigas modelos mentales procesos observacionales representaciones mentales El presente trabajo pretende valorar los resultados obtenidos mediante la utilización del dibujo y de lasdescripciones a lo largo de una actividad basada en la observación de la morfología de las hormigas. Se plantea untrabajo individual y autónomo donde los participantes, en 3 etapas diferentes, deben tratar de dibujar o describirsu observación de muestras vivas de hormigas. Los resultados de la investigación son muy significativos, puestoque encontramos diferencias estadísticas entre la utilización de las dos estrategias, así como entre lasproducciones de cada etapa, pudiendo ver cómo evolucionan sus representaciones mentales. Evidenciamos, deesta manera, que la estrategia de dibujar mejora los resultados en procesos observacionales respecto a la tarea dedescribir, especialmente en la adquisición de información y en su comunicación. 2015 artículo científico 1697-011X https://www.redalyc.org/articulo.oa?id=92041414017 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.3 Vol.12

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:

Environment & details: