RESISTANCE TO EXTINCTION AS A JOINT FUNCTION OF PARTIAL REWARD PATTERN AND LENGTH OF TRAINING

In a 2 * 2 factorial design, 25 male Long Evans rats were given either 117 or 36 trials on either a patterned or an unpatterned partial reward schedule in a multiple runway. It was found that longer training significantly increased resistance to extinction for the unpatterned reward group but decreased it for the patterned reward group. (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1969 American Psychological Association.