Majority and minority influence using the afterimage paradigm: a series of attempted replications

Robin Martin

Research output: Contribution to journalArticlepeer-review


Five experiments are reported which attempt to replicate Moscovici and Personnaz's (1980) study that showed that a minority, but not a majority, produced a perceptual conversion in a task involving afterimage judgments. Given the theoretical importance of the study, a number of replications were conducted which were designed to test four explanations. The experiments also address a methodological issue that had not been previously examined, namely within-phase effects. Afterimage shifts were found for a majority and minority source only when there were more trials after-influence compared to pre-influence. In all the experiments there was a consistent within-phase effect showing afterimages gradually shifted toward the complementary color of green. These results suggest that afterimage shifts are due to a within-phase effect of afterimages progressively moving to the complementary color of green and to subject suspiciousness. The experiments therefore call into the question the validity of the paradigm as an appropriate test of conversion theory.
Original languageEnglish
Pages (from-to)1-26
Number of pages26
JournalJournal of Experimental Social Psychology
Issue number1
Publication statusPublished - Jan 1998


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