Dynamic exclusion of previously seen items

Question

Hello!I would like some recommendations on an efficient and workable way to build a questionnaire with the following requirements:I have a set of 20 resumes. 10 of them are high quality resumes, and 10 of them are low quality resumes.	I would like each participant to read a total of 4 resumes from the pool of 20 resumes, 2 high quality resumes and 2 low quality resumes	The resumes are randomly selected from the pool of high and low quality resumes respectively 		The order in which the participant sees the high and low quality resumes should be randomised		After reading each resume, the participant will respond to 3 questions. The 3 questions are always the same questions.I am not sure how to do the following effectively and would need your insights on this:How to dynamically EXCLUDE a resume from the subsequent resume pools if the resume has already been shown to the participant previously?	For example, within a session:	The participant has seen Resume #4 as the 1st resume. Resume #4 will thus be EXCLUDED from the pool of resumes that could potentially be shown to this participant for the subsequent resumes.		For the 2nd resume shown to the participant, Qualtrics will randomly select any resume EXCEPT Resume #4 to be shown to the participant. 		Let’s say that for the 2nd resume, Resume #10 was shown to the participant.		The logic would then follow that Resume #10 will thus be EXCLUDED from the pool of resumes that could potentially be shown to this participant for the subsequent resumes.	Thank you!

jbk · Answer

To make it simpler, create 20 blocks. Each block will have one question/resume and other 3 questions.Then, you can userRandomizerto display 2 sets of resume from HQ and LQ.Respondent will not get the same resume twice.Hope this helps!

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