Open Educational Resources: An Annotated Bibliography for Librarians

Fuente: ERIC Institute of Education Sciences

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Bober, Chris
Format:	Recurso educativo Open Access
Sprache:	en
Veröffentlicht:	2017
Schlagworte:	Educational Resources Access to Education Equal Education Shared Resources and Services Instructional Materials Disadvantaged Annotated Bibliographies Library Role
Online-Zugang:	Acceder al recurso
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

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author	Bober, Chris
author_facet	Bober, Chris Bober, Chris
collection	Education Resources Information Center
contents	Open Educational Resources: An Annotated Bibliography for Librarians Bober, Chris Educational Resources Access to Education Equal Education Shared Resources and Services Instructional Materials Disadvantaged Annotated Bibliographies Library Role Open educational resources (OER), which have existed over 15 years, consists of, in principle, fully open educational content, available for free to all and are adaptable to serve the needs of the user. They were created as a response to the high cost of textbooks and as a means of leveling the playing field in terms of ensuring equal access to education for disadvantaged populations. The selected resources in this annotated bibliography is an effort to address and overcome these challenges in student learning.
format	Recurso educativo Open Access
id	eric_EJ1178190
institution	ERIC Institute of Education Sciences
language	en
publishDate	2017
record_format	eric
spellingShingle	Open Educational Resources: An Annotated Bibliography for Librarians Bober, Chris Educational Resources Access to Education Equal Education Shared Resources and Services Instructional Materials Disadvantaged Annotated Bibliographies Library Role Open Educational Resources: An Annotated Bibliography for Librarians Bober, Chris Educational Resources Access to Education Equal Education Shared Resources and Services Instructional Materials Disadvantaged Annotated Bibliographies Library Role Open educational resources (OER), which have existed over 15 years, consists of, in principle, fully open educational content, available for free to all and are adaptable to serve the needs of the user. They were created as a response to the high cost of textbooks and as a means of leveling the playing field in terms of ensuring equal access to education for disadvantaged populations. The selected resources in this annotated bibliography is an effort to address and overcome these challenges in student learning.
title	Open Educational Resources: An Annotated Bibliography for Librarians
topic	Educational Resources Access to Education Equal Education Shared Resources and Services Instructional Materials Disadvantaged Annotated Bibliographies Library Role
url	https://eric.ed.gov/?id=EJ1178190

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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