psychology

psychology
psychology

Wednesday, December 15, 2010

internal assesment

The stroop effect was published by John Ridley Stroop, he published the effect on 1935 in English, but the effect really was published in 1929 in Germany. The experimented was conducted by john ridley stroop on 1935. his experiment was that the participants saw the name of one color and the name of the color be highlited with another color and they need to say what is the color that is highlited and that takes them a lot a time to do in other words to think. But what the stroop effect really means is that it shows that when two parts of the brain are given conflicting signals, it is super hard to figure out what is happening. In his experiment, John ridley stroop asked participants to verbally identify the color of each word is printed in and all did not say it fast it was hard for them. Stroop used participants who where from universities. Also “stroop tested his participants at different stages of practice with each task, to account for the effects of association. Stroop identified a large increase on the time taken by participants to complete the naming colored words tasks, an effect still pronounced against continued practice at each task”. “This interference is caused by the dominance of functional area of the brain that interprets written language, where the brain determines the meaning of words. Interpreting written language and speaking are classified by scientists as local stimuli.” What stroop also wanted to see was if the left part of the brain was stronger that the right side of the brain. He find out also that the brain can not be trained using normal methods to developed some areas of the brain, so stroop effects can not be reduced with training. Stimuli in Stroop paradigms can be divided in 3 groups neutral, congruent and incongruent. “Neutral stimuli comprise those in which only the text similarly to stimuli 1 of Stroop's experiment, or color similarly to stimuli 3 of Stroop's experiment) are displayed. Congruent stimuli are those in which the ink color and color name refer to the same concept for example the red word written in red). Incongruent stimuli are those in which ink color and concept differ”. John stroop wanted to make tricks to the brain, he made them think because the stroop effect is very tricky and no one can know how cheat it.
http://en.wikipedia.org/wiki/Stroop_effect
All in quotations was all the important things I found about stroop effect.

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