Going back to a previous trial

[Qiushan_Liu]

Hello,

I am really new to PsychoPy and have been creating experiments in the builder. I am creating an experiment with some practice trials. I am hoping that during the practice trials, the experimenter can press a key to go back to a previous trial. I am not sure how that is achieved. Any suggestion? Thanks

[Michael]

Is this what you are after?

Move Forward & Backward through a Slideshow

I use PyschoPy 3 on Windows 10 and Mac OS, to run a simple “Dwell Time Paradigm.” We create slideshows of still images which participants advance at their own pace with a button or mouse press, and we measure the looking time for each image. I would like to allow participants to move forward and backward along the stream of still images. Normally our button press only advances to the next slide, but I want them to be able to go back to the previous slide. I imagine using some sort of loop an…

[sgwallner]

Hey Michael sorry it took me so long to get back to you. I’ve been in a bit of a sustained crunch time mode here with midterms, grading, projects etc. This was very helpful, as I try to implement it, I may reach out again. Thank you for all the suggestions and help, I seriously appreciate it.