The black/white Stroop app, adapted from Vendetti, Kamawar, Podjarny, and Astle (2015), can be听used to measure children鈥檚 inhibitory control skills. In this task, a fixation cross appears in the center of the screen for 500 ms, follows 500 ms later by a stimulus (black square or white square) for 3 seconds. Participants听will be asked to touch the square that is听the same or different from the color name they hear as quickly as possible. Half of the trials are congruent trials (e.g., if participants hear 鈥渨hite鈥�, they should press the 鈥渨hite鈥� square), whereas the other half of the trials are incongruent trials (e.g., if participants hear 鈥渨hite鈥�, they should press the 鈥渂lack鈥� square). There are听four blocks of trials altogether – two blocks of congruent trials and two blocks of incongruent trials. Participants听receive one practice trial for each block of the trials where feedback will be given to ensure that they understand the instructions. Task parameters (e.g., instructions, stimuli, and time limit, etc.) can be configured.
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