xlsx file I am using for a 3-back task 3back_practice.xlsx (9.2 KB) You can use a lot less code if you specify more thing into your. ![]() You can use the same routine for the practice and the formal routine, using two different loop and two different.The second problem is that the feedback messages in my task is never showed up.įor your first problem ( trials can not carry on to the next trial automatically unless I press the ‘space’) I don’t know what is causing the problem, as each trial should end after 3 seconds. The fist problem is that trials can not carry on to the next trial automatically unless I press the ‘space’. I have followed some ways and tips online to try to conduct the task but there were still some problems. I have two blocks in my task that one block is for practice, which is called “practice_section” and the other is formal test, which is called “formal_section” If one wrongly responded to the stimulus, there would be a “Wrong!” feedback showing on the screen right after responding. If a participant correctly responded to the stimulus, there would be a “Correct!” feedback showing on the screen right after responding. Participants have to press the ‘space’ if a letter was presented two trials ago if not, they don’t have to do anything until the next match. I am trying to conduct a basic two-back task that contains 15 letters, which are ‘A’, ‘B’, ‘C’, ‘D’, ‘E’, ‘H’, ‘I’, ‘K’, ‘L’, ‘M’, ‘O’, ‘P’, ‘R’, ‘S’ and ‘T’.Įvery letter would be presented for 500 ms and the participants have 2500 ms to react.
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