[solved] Help getting started on an experiment.
I hate doing this, because I know there's a good chance that these questions will have been answered piecemeal in the forums here, but I'm in a bit more of a hurry than I like to be thanks to some consistent difficulties with E-Prime (story of my life). I created the first block of a six-block study in E-Prime, and any attempt at replicating that block for the next five results in the program crashing. So I thought I might try OpenSesame again, as it's had some updates since the last time I tried. The problem is that I was intending to have this experiment listed on my University's signup page next week, so I'm somewhat rushed.
That said, the experiment itself is simple in design, but apparently a little more difficult to program. The basic layout is this: There are 6 blocks of trials. Each block consists of 6 trials, and each trial consists of the following sequence--
Study list of 8 images, presented one at a time, randomly
Brief Two-step arithmetic problem
Test array of 4 images, presented simultaneously, in random locations
----The test array may or may not contain one of the study list images
Confidence judgment on test array choice
Re-presentation of all four test items with a visual analog scale for participants to rate the likelihood each item was in the study list
I would like to be able to explicitly specify which items appear in each study list and test array, though I would like for their presentation orders to be random.
So it would randomly select a Block [1-6], then randomly select Trials [1-6] until it exhausted all six trials, then move on to another random block.
Unfortunately for me, I'm not very familiar with OpenSesame at all. I haven't even yet figured out how to get it to perform a single trial, let alone setting up the structure for all the randomizations. I think perhaps part of that problem is that I'm used to using E-Prime, and thus might be biased to trying to do things in that manner (I had little trouble building the structure there, but the constant crashing was frustrating beyond belief). If I've not been clear enough here, I'd be happy to try explaining this again. What I would really like is just a few pointers in the right direction, such as how to get OpenSesame to randomly draw images from specified lists of images, or how I might start building the randomization structure.
I'll keep digging around the website as well. Thanks in advance for any help. I would love it if I could get up and running with an experimental software other than E-Prime... if you can't tell, I'm at least a little bit disillusioned with it.
Edit: Apologies for the bad formatting, I'm not quite familiar with the best ways to structure posts on this forum.