Effect of an initial reward magnitude on subsequent resistance to extinction

Elizabeth D. Capaldi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Reward magnitude in Phase 1 (1 or 16 pellets) and Phase 2 (1 or 16 pellets) was varied in a 2 * 2 factorial design employing 48 naive female rats as Ss. Resistance to extinction (Phase 3) was influenced by Phases 1 and 2 reward magnitudes. Previous studies, employing a smaller number of trials, failed to find an influence of Phase 1 reward on extinction. The present and previous results are interpreted within sequential theory. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)283-287
Number of pages5
JournalJournal of Experimental Psychology
Issue number2
StatePublished - Nov 1970
Externally publishedYes


  • resistance to extinction, initial reward magnitude, rat

ASJC Scopus subject areas

  • General Medicine


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