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The Stroop Effect

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In 1935, John R. Stroop first discovered a psychological incidence known today as the Stroop effect. Stroop aimed to investigate the interference affect and through “the Stroop Effect” experiment this was accomplished. In his original experiment, Stroop compared the effects of reading a list of words written in black with the effects of reading of the same list of words written in unrelated colours. With minimal findings Stroop reformed his experiment and asked participants to name the colours from a list of coloured squares prior to naming the colours from a list of words printed in unrelated colours to the word. Participants were 70 well-motivated college undergraduates students, 14 of them were male while 56 were female. Participants …show more content…

The second group was asked to read the same two sheets however in reverse order, comparing for practice and fatigue on each test. Participants were instructed to name the colours as quickly as possibly leaving no errors uncorrected, researchers followed on another sheet recording the time participants required to complete the task. Results from this experiments led Stroop to his conclusion, that since individuals are more practiced at reading words than naming colours, there is less interference with word reading than colour naming. Other researchers have also modified the Stroop test in order to include other sensory modalities and variables. Frank H. Durgin known for the Reverse Stroop Effect experiment provided a modified version of the Stroop Test. Likewise, Cohen and his colleagues also restructured Stroops experiment, with a focus on aging while also employing a computerized version of the test. Our experiment conducted in class is recognized as a replication study, as it ultimately reproduces the Stroop experiment. The particular purpose of our study was to examine the interference effect, and in order to accomplish this we used Stroop Application Testing. The interference effect occurs when previously knowledge interferes with current task

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