How can I avoid two trials in a row that belong to the same condition?

[JensBoelte]

Hello

this question has been asked before.

look here

Randomisation with constraints

HI @thomas_pronk thank you, I had a look at the code, but am I right thinking that you selected stimuli based on the ‘name’ of the participant? (e.g. A- B- X)? I’m not sure how I could use this as I don’t want to select a priori which stimuli will be presented Thanks

here

Thomas Pronk / demo_dynamic_loops

or here

PsychoPy Online Demos

If you have routines or experiments that are likely to be useful to others, please create a post in this thread, editing your post to add new demos so there is one post per creator. Ideally set your demos so they can be tested without consuming a credit (if you don’t have a site license) by adding a final routine that can’t end, disabling save incomplete results and adding a small number of credits. Please do not discuss the demos in this thread or create more than one post unless you have a la…

Notice that this constraint will result in a predictable order, after each stop-signal there will be a go-signal.

Best wishes Jens