Hi ahmedA !Ah sorry - for not explaining myself more clearly.The thing I am building is a psych experiment into Cognitive load. I want to present a visual task of varying complexity - in conjunction with math tasks of a consistent difficulty throughout. Then I will ask people to rate the difficulty of the two tasks together. This for each block participants will be asked to do the following 4 times: 1) Memorise a pattern of dots in a grid. (must be unique). (this induces Cognitive load for the duration of the block - and while they carry out step 2.2) Answer a math problem (must be unique). These must be carefully constructed to be similar to one another in processing - so cannot use RNGs.3) Recreate the pattern of dots on the grid they saw in step 1.Each 'block' (in experimental language now - not Qualtrix 'blocks') will consist of 4 repetitions of the above tasks.There will be 7 blocks in all (each consisting of 4 repititions) and in each block Q1 patterns will come from a dif
Hi ahmedA !Thanks so much for responding. I am, however, still a little confused.So yes, I can create 16 blocks for question 1 (which is just a static image not requiring a response), and use a randomiser in the survey flow to pick a random one.And I have now played around a bit with Loop and Merge - and that would work for Q2 - which is just a maths problem. So I can enter 200 (I hope) maths problems (eg: 72 + 16 = ) and have these presented in a random order. But... when I then start the next block - it cannot use the same maths problems as the participant has seen previously. And this doesn't seem to be possible. What I really need, I guess, is for Qualtrix to insert an item (in random order) from a large pool and keep track (across multiple blocks) which items have been used.I'll try and explain what I need to do a bit better.Block A:Q1: 1 Image presented - selected randomly from 16 images.Q2: 1 math problem presented and a text field for entry. This should come from a larg
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