Internal Assessment : The Stroop Effect

2357 Words Mar 12th, 2016 10 Pages
Psychology
Internal Assessment

The Stroop Effect
“An experimental investigation into the interference of conflicting stimuli on a response task”

Candidate Name: Grace Jo
Candidate Number: ? (I don’t know my candidate number)
Subject: Standard Level Psychology
Date of Submission:
School: Vanguard High School
Word Count: 1488
Abstract
The aim of this experiment was to replicate the Stroop Effect and to investigate the interference in the reaction time in hundredths of a second when reading out a word list of color names printed in a different font color rather than when reading out a list of color names printed in the same font color. By using repeated measures and convenient sampling, participants were asked to state the font color of a word in a congruent word-color list and an incongruent word-color list. The independent variable was the differing word lists and the dependent variable was the time, in hundredths of a second, needed to read the word lists. The results supported Stroop’s 1935 experiment in that the mean time it took participants to read the color in the congruent word list, 13.20 seconds, was longer than the mean time it took participants to read the color in the incongruent word list, 20.86 seconds. In conclusion, the Stroop Effect could be clearly seen in the differing time it took to read the two word lists, with the incongruent word list taking longer.
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