Prime proportion affects masked priming of fixed and free-choice responses.

Glen Bodner, R. Mulji

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


Left/right "fixed" responses to arrow targets are influenced by whether a masked arrow prime is congruent or incongruent with the required target response. Left/right "free-choice" responses on trials with ambiguous targets that are mixed among fixed trials are also influenced by masked arrow primes. We show that the magnitude of masked priming of both fixed and free-choice responses is greater when the proportion of fixed trials with congruent primes is .8 rather than .2. Unconscious manipulation of context can thus influence both fixed and free choices. Sequential trial analyses revealed that these effects of the overall prime context on fixed and free-choice priming can be modulated by the local context (i.e., the nature of the previous trial). Our results support accounts of masked priming that posit a memory-recruitment, activation, or decision process that is sensitive to aspects of both the local and global context.

Original languageEnglish
Pages (from-to)360-366
Number of pages7
JournalExperimental Psychology
Issue number5
Publication statusPublished - 2010
Externally publishedYes


  • masked priming
  • prime proportion effects
  • positive compatibility effect
  • Positive compatibility effect
  • Prime proportion effects
  • Masked priming
  • Free-choice priming
  • Response priming
  • Sequential trial effects


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