Language and Knowledge of the World

Fuente: ERIC Institute of Education Sciences

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Paivio, Allan
Format:	Recurso educativo Open Access
Sprache:	en
Veröffentlicht:	1974
Schlagworte:	Codification Cognitive Development Cognitive Processes Conceptual Schemes Information Processing Knowledge Level Language Linguistics Perception Psycholinguistics
Online-Zugang:	Acceder al recurso
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_version_	1867181440677969921
author	Paivio, Allan
author_facet	Paivio, Allan Paivio, Allan
collection	Education Resources Information Center
contents	Language and Knowledge of the World Paivio, Allan Codification Cognitive Development Cognitive Processes Conceptual Schemes Information Processing Knowledge Level Language Linguistics Perception Psycholinguistics Two contrasting views of the form and structure of knowledge are discussed -- an audiovisual model vs a computer tape library. The importance of two distinct psychological systems to represent language and knowledge of the world is stressed. (AM)
format	Recurso educativo Open Access
id	eric_EJ125290
institution	ERIC Institute of Education Sciences
language	en
publishDate	1974
record_format	eric
spellingShingle	Language and Knowledge of the World Paivio, Allan Codification Cognitive Development Cognitive Processes Conceptual Schemes Information Processing Knowledge Level Language Linguistics Perception Psycholinguistics Language and Knowledge of the World Paivio, Allan Codification Cognitive Development Cognitive Processes Conceptual Schemes Information Processing Knowledge Level Language Linguistics Perception Psycholinguistics Two contrasting views of the form and structure of knowledge are discussed -- an audiovisual model vs a computer tape library. The importance of two distinct psychological systems to represent language and knowledge of the world is stressed. (AM)
title	Language and Knowledge of the World
topic	Codification Cognitive Development Cognitive Processes Conceptual Schemes Information Processing Knowledge Level Language Linguistics Perception Psycholinguistics
url	https://eric.ed.gov/?id=EJ125290

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: