Flexible and inflexible response components: A Stroop study with typewritten output

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)


Two experiments were directed at investigating the relationship between response selection and execution in typewriting, and specifically the extent to which concurrent processing takes place. In a Stroop paradigm adapted from [Logan, G. D., & Zbrodoff, N. J. (1998). Stroop-type interference: Congruity effects in colour naming with typewritten responses. Journal of Experimental Psychology: Human Perception and Performance, 24, 978-992], participants typed the names of colour patches with incongruent, congruent, or neutral distractors presented at various stimulus-onset asynchronies. Experiment 1 showed Stroop interference and facilitation for initial keystroke latencies and errors, contrasting with response durations (a measure of response execution) being unaffected by Stroop manipulation. Experiment 2 showed that all three measures were responsive to time pressure; again, Stroop effects were confined to latencies and errors only. The observation that response duration is both flexible under time pressure and protected from response competition, may imply either that response execution is structurally segregated from earlier processing stages, or that encapsulation develops during the acquisition of typing skills. (C) 2007 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)91-101
Number of pages11
JournalActa Psychologica
Issue number1
Publication statusPublished - May 2008

Structured keywords

  • Developmental (Psychological Science)


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