The Use of CAI in the Education of Online Searchers.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Authors:	Howden, Norman, Boyce, Bert R.
Format:	Recurso educativo Open Access
Language:	en
Published:	1988
Subjects:	Computer Assisted Instruction Courseware Educational Trends Higher Education Instructional Effectiveness Library Education Library Schools Microcomputers Online Searching Optical Data Disks Research Needs School Surveys
Online Access:	Acceder al recurso
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_version_	1867180822083141632
author	Howden, Norman Boyce, Bert R.
author_facet	Howden, Norman Boyce, Bert R. Howden, Norman Boyce, Bert R.
collection	Education Resources Information Center
contents	The Use of CAI in the Education of Online Searchers. Howden, Norman Boyce, Bert R. Computer Assisted Instruction Courseware Educational Trends Higher Education Instructional Effectiveness Library Education Library Schools Microcomputers Online Searching Optical Data Disks Research Needs School Surveys Reports the results of a survey of library schools that examined the current use of microcomputers and computer-assisted instruction in the teaching of online searching. The need for a methodology to test the effectiveness of these instructional methods is discussed. (9 references) (CLB)
format	Recurso educativo Open Access
id	eric_EJ370762
institution	ERIC Institute of Education Sciences
language	en
publishDate	1988
record_format	eric
spellingShingle	The Use of CAI in the Education of Online Searchers. Howden, Norman Boyce, Bert R. Computer Assisted Instruction Courseware Educational Trends Higher Education Instructional Effectiveness Library Education Library Schools Microcomputers Online Searching Optical Data Disks Research Needs School Surveys The Use of CAI in the Education of Online Searchers. Howden, Norman Boyce, Bert R. Computer Assisted Instruction Courseware Educational Trends Higher Education Instructional Effectiveness Library Education Library Schools Microcomputers Online Searching Optical Data Disks Research Needs School Surveys Reports the results of a survey of library schools that examined the current use of microcomputers and computer-assisted instruction in the teaching of online searching. The need for a methodology to test the effectiveness of these instructional methods is discussed. (9 references) (CLB)
title	The Use of CAI in the Education of Online Searchers.
topic	Computer Assisted Instruction Courseware Educational Trends Higher Education Instructional Effectiveness Library Education Library Schools Microcomputers Online Searching Optical Data Disks Research Needs School Surveys
url	https://eric.ed.gov/?id=EJ370762

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; }

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