Counterbalance / IF function - Surveys and Tests


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smile_its_zoe
smile_its_zoe
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Hi, 

I am setting up an experiment which includes multiple tasks (stroop, backward digit, choice reaction etc) and three surveys. 

I have 32 participants split into two groups and each participant will carry out 1 each day. However to reduce the learning effect i need to create differences between the tests so i have Test A, B, C and D. I want to be able to give each participant a different experiment in a specific order as the weeks go by to be able to counterbalance (illustrated below). 

Is it therefore possible to counterbalance or offset <exp> through the webplatform and how do i do this in a specific order which changes each time they login? Does it need to relate to a participant identifier (like a group no.)? 

In addition i am currently producing each script separately (survey1, survey 2, survey 3, backward digit,etc) but i am struggling to combine <survey> with <htmlpage> for my preinstruction page is this not possible? I have seen that it is possible to change <surveys> to <block>, is there more detail on this?

Lastly in my survey i have a <page> of questions that i only want to appear if the last question on that page has a response of "Yes"? Is there an IF or Script Logic function available? 

Thankyou for your help. 

P.S. Fairly new to this so apologies for my terminology. 
 







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