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Bibliographic Details
Main Author:	Laura Díaz-Bravo
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2013
Subjects:	Medicina México Entrevista educación médica investigación cualitativa
Online Access:	https://www.redalyc.org/articulo.oa?id=349733228009
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La entrevista, recurso flexible y dinámico Laura Díaz-Bravo Uri Torruco-García Mildred Martínez-Hernández Margarita Varela-Ruiz Medicina México Entrevista educación médica investigación cualitativa La entrevista se define como "una conversación que se propone con un fin determinado distinto al simple hecho de conversar". Es un instrumento técnico de gran utilidad en la investigación cualitativa, para recabar datos. El presente artículo tiene como propósito definir la entrevista, revisar su clasificación haciendo énfasis en la semiestructurada por ser flexible, dinámica y no directiva. Asimismo, se puntualiza la manera de elaborar preguntas, se esboza la manera de interpretarla y sus ventajas. Finalmente, por su importancia en la práctica médica y en la educación médica, se mencionan ejemplos de su uso. 2013 artículo científico 2007-865X https://www.redalyc.org/articulo.oa?id=349733228009 es http://www.redalyc.org/revista.oa?id=3497 Investigación en Educación Médica application/pdf Universidad Nacional Autónoma de México Investigación en Educación Médica (México) Num.7 Vol.2

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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