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Stroop Test
This test is based on the Stroop Effect found by John Ridley Stroop in the 1930’s. In the Stroop task the subject is presented with names of colors written in the same color or in a different color, thus on the one hand the word names a color (red) and is written in another color (blue). It has been found that naming colors of words takes longer that reading color names. This is called the Stroop Effect.

In the Stroop Task the automatized behavior (reading) is in conflict with the desired response (naming the color). The Subject has to inhibit/suppress the automatic response of reading and name the color the word is written in. The Stroop is one of the most commonly used tools for determining attentional problems. It is also a test of Executive Function and Working Memory.

Test Phase
There are total of three phases in this test

Phase 1: This is a simple practice test so as to make participant familiar to the way he has to respond to the stimuli.  There will be only one phase with ten stimuli in which participant has to respond correctly to at least 5 of them, else repeat the phase again.  If completed successfully, test moves on to the second phase.

Phase 2 ( congruent phase): Test starts with the practice phase and starts with ten stimuli for practice.  Participant needs to respond when he sees name of a color (RED, GREEN, BLUE, RED, only ) on the screen in one of the colors from the same set. He needs to respond through keyboard in case the text of the word and the color of the word MATCHES, otherwise do nothing ( no input should be logged from keyboard).  In case the participant fails in the practice of this phase he will have to redo practice again, if successful he moves on to the main trial where is has to respond to 25 stimuli following the same condition.

The stimuli are chosen and presented in random fashion.

Phase 3 ( In Congruent Phase): In this phase participant is supposed to log a response form keyboard if the text of the word and the color of the word DO NOT match.( this is opposite to the congruent phase). In case the participant fails in the practice of this phase he will have to redo practice again, if successful he moves on to the main trial where is has to respond to 25 stimuli following the same condition.

The stimuli are chosen and presented in random fashion.

If participant fails in the practice phases, test will be terminated and no results are recorded hence after.  For example, in case the participant is able to cross the “Congruent” phase and fails in the practice for the “In Congruent” phase there will be note in the result section that the participant failed in the In Congruent phase and no results for that phases is recorded.  However results for the Congruent phase would be there.

On contrary if participant fails in the congruent phase itself there would be no InCongruent phase and no results except for the failure notice of participant from the Congruent phase is recorded.

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