In this science fair project, I tested if the difference in gender or age has a strong effect on the stroop test in order to understand the stroop effect more in depth. The results shown that adults understood the stroop effect better than other groups of people. I hypothesised that the difference in gender and age had a strong effect on the stroop test and that Kids would understand the stroop test better than adults. The difference in age and gender did affect the outcome of this experiment, however it was the adults that understood the stroop effect the best because of sharp eyesight. In this activity, the amount of time it took for each person to complete the stroop test was in relation to the people I chose to participate in the stroop