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Blank spaces in trials.csv

maybe someone can help me with that. I get blank spaces when participants do my experiment in psychopy. Normal not online. I created a loop and they have to press one of two response buttons when a visual stimulus occurs. No and then i get for the raw rt blank spaces. I tried recreating the problem but do not no yet where these empty outputs come from.
Any ideas? I tried wrong buttons, not clicking anything, clicking before stimulus occurs…

Thank you very much!

Do you have any code components?

What does your loop look like? Are the number of conditions correct?

no i don´t. But I found the problem. There was a mistake in the “last run” file. Some responses where too early because of extra key responses and without the target there is no RT.
Thank you anyways for your suggestions and your help!

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