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Autor principal:	Sherriff, Graham
Formato:	Recurso educativo Open Access
Lenguaje:	en
Publicado:	2010
Materias:	Internet Citation Analysis Journal Articles Periodicals Statistical Analysis Public Colleges Masters Theses History Research Academic Libraries Library Services Library Materials Access to Information Graduate Study Graduate Students
Acceso en línea:	https://eric.ed.gov/?id=EJ913988
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

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author	Sherriff, Graham
author_facet	Sherriff, Graham Sherriff, Graham
collection	Education Resources Information Center
contents	Information Use in History Research: A Citation Analysis of Master's Level Theses Sherriff, Graham Internet Citation Analysis Journal Articles Periodicals Statistical Analysis Public Colleges Masters Theses History Research Academic Libraries Library Services Library Materials Access to Information Graduate Study Graduate Students This article addresses the need for quantitative investigation into students' use of information resources in historical research. It reports the results of a citation analysis of more than 3,000 citations from master's level history theses submitted between 1998 and 2008 at a mid-sized public university. The study's results support the hypotheses that the predominant format in history research is the monograph and that history research entails use of older resources, and in greater proportions, than other disciplines. Results also support the conclusions that journal usage is comparatively low and that there is a high degree of citation dispersal across journal titles. (Contains 1 figure, 6 tables and 31 notes.)
format	Recurso educativo Open Access
id	eric_EJ913988
institution	ERIC Institute of Education Sciences
language	en
publishDate	2010
record_format	eric
spellingShingle	Information Use in History Research: A Citation Analysis of Master's Level Theses Sherriff, Graham Internet Citation Analysis Journal Articles Periodicals Statistical Analysis Public Colleges Masters Theses History Research Academic Libraries Library Services Library Materials Access to Information Graduate Study Graduate Students Information Use in History Research: A Citation Analysis of Master's Level Theses Sherriff, Graham Internet Citation Analysis Journal Articles Periodicals Statistical Analysis Public Colleges Masters Theses History Research Academic Libraries Library Services Library Materials Access to Information Graduate Study Graduate Students This article addresses the need for quantitative investigation into students' use of information resources in historical research. It reports the results of a citation analysis of more than 3,000 citations from master's level history theses submitted between 1998 and 2008 at a mid-sized public university. The study's results support the hypotheses that the predominant format in history research is the monograph and that history research entails use of older resources, and in greater proportions, than other disciplines. Results also support the conclusions that journal usage is comparatively low and that there is a high degree of citation dispersal across journal titles. (Contains 1 figure, 6 tables and 31 notes.)
title	Information Use in History Research: A Citation Analysis of Master's Level Theses
topic	Internet Citation Analysis Journal Articles Periodicals Statistical Analysis Public Colleges Masters Theses History Research Academic Libraries Library Services Library Materials Access to Information Graduate Study Graduate Students
url	https://eric.ed.gov/?id=EJ913988

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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