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Stroop Interference



  • Do the processes involved in reading words and naming colors interfere?
  • There is an asymmetry in the observed interference between color-word reading and color naming.
  • When reading the names of colors, the ink color of the word is relatively easy to ignore.
  • However, in color naming, the meaning of the word tends to influence how quickly we respond with the correct color.
  • Overall, word reading is quicker than color naming.
    Condition Task Demand Ink Color Word
    Stimulus
    Response
    Time (ms)
    Neutral Color Naming red --- 650
    Conflict Color Naming red GREEN 860
    Congruent Color Naming red RED 570
    Neutral Word Naming --- RED 450
    Conflict Word Naming green RED 460
    Congruent Word Naming red RED 445