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Effect of reinforcer magnitude on performance maintained by progressive-ratio schedules /

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Notice: fwrite(): write of 1182 bytes failed with errno=28 No space left on device in C:\vufind\module\VuFind\src\VuFind\Session\File.php on line 152
Cannot write session to C:\Windows\TEMP\vufind_sessions/sess_1r9pvjmitrvhmgdmdgg8igaq40
Warning: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: \xampp\tmp) in C:\vufind\vendor\laminas\laminas-session\src\SessionManager.php on line 235