Hi all,<div><br></div><div>I was wondering if it is possible to sample rows from a list based on a value sampled from a parent list. Here is my intended design:</div><div><br></div><div>Subjects first study 150 pictures. At test, they are presented a description of one of the studied pictures, such as "A man selling goods from a cart." For each picture, they are then asked 6 true/false detail questions, such as "The cart is painted white." For the design, I'd like to have the description cue appear first for a period of time, maybe 8 seconds, before presenting the 6 detail questions for the associated picture. After all 6 questions, it would move on to the next picture's description and associated detail questions. However, I'd like the order of each of these picture "mini-blocks" to be randomized.</div><div><br></div><div>Now, I'm thinking I could have the following set-up:</div><div><br></div><div>DescriptionList (Randomly sampled list containing 1 description of each picture)</div><div> DescriptionProc (Begins with a Slide containing description from the DescriptionList)</div><div> DetailList (Ideally, all details for every picture to avoid needing 150 lists of 6 details each. Each set of details for a given picture can be sampled randomly or not, whichever is easiest)</div><div> DetailProc (Text slide with the detail text from DetailList)</div><div><br></div><div>So my main question is, if I want DetailList to contain the full set of details for all pictures, is there a way to sample 6 items (either randomly or sequentially, doesn't matter to me) from DetailList corresponding to the picture randomly selected from DescriptionList? I'm hoping there is an E-basic command that can get the value from an attribute in DescriptionList containing the name of the picture (Picture001, Picture002, etc.) and filter for the same value in a similar field within DetailList. Any ideas on what commands/structures I could look into?</div><div><br></div><div>Thank you in advance for any ideas!</div><div>Jeremy</div>
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