Multiple responses needed in a touch_response
I began my thesis a few months ago and i'm quite new in OpenSesame and coding, so I wonder if someone could help me
I created a design which presents as follow : participants are presented with one or three images on the top of the screen, followed by a set of 24 new images under. In this set, I need them to select the other images like the first one. In order to do so, I introduced a touch_response, but when I run the experiment, I can select only one response in the set.
So my question is :
Is there any possibility to select more than one response (between 0 and 24) in a touch_response element ? If it is, how can I do that ? Can I add a button or a keypress to run the next item when participant says he is over ?
After that, I would have another question : is it possible to add a visual mark on the images he has already selected (just in order to keep track of the responses given, because participants are young children) ?
Thank to anyone who have had an answer !