![]() ![]() They are given 30 seconds to do this for all 50 words and the number of correctly announced colors is recorded.Ĥ. For the third test, the participants are required to announce out loud the color of the text and not the word. The participants are given 30 seconds to read the 50 words and the number of words read correctly will be recorded.Ĭ. For the second test, the participants will be shown the cards with 50 colors randomly chose, where the printed color of the text on each card is different from the color described. The number of correct words read in 30 seconds will be recorded.ī. They are given 30 seconds to read the 50 words. For the first test, the participants will be shown the cards with 50 colors written in black. Each participant will be given 3 tests as described below.Ī. Each age group will consist of 10 boys and 10 girls.ģ. The 60 participants are divided into 3 age groups of 10 to 20, 21 to 40 and 41 to 60 years. The constants (control variables) are the number of words, the size of the font, the color of the background and the time allotted to read the text.Ģ. This is determined by checking the words as they are read and recording the time with a stop watch. The dependent variable is the number of correct words read in 30 seconds. For this science fair project, the independent variable is the age of the participants. This is called interference and normally the part of brain that handles reading abilities, will dominate.ġ. ![]() To complete the above task, one part of the brain has to dominate, and at the same time inhibit the response of other parts of the brain. This conflicting information causes a delay in the time required by the brain to process the information. At the same time, another part of the brain will be processing the fact that the text is red in color. When a person is shown a word written in “BLUE”, but the color of the text is red, one part of the brain will be interpreting the written text. Although the Stroop effect was originally discovered in Germany in 1929, the English publication by John Ridley Stroop describing it, was only released in 1935.ĭifferent parts of the brain are responsible for processing different types of tasks. ![]() It also enables us to evaluate the reaction time taken required understand and complete the conflicting task. The Stroop effect is a test to demonstrate how our brain manages and process conflicting information. ![]()
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