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Advanced Radomization for Blocks

  • May 22, 2023
  • 2 replies
  • 31 views
M
Level 1 ●
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Dear all,

I would like to apply a advanced randomization for blocks that I can not seem to figure out. 

 

I have 120 blocks including:

  • 1 picture per block (12 different pictures in total)
  • 1 text per block (9 different texts + 1 no text in total)
  • all possible combinations of the above

Each participant is only going to see 12 blocks (i.e. the 12 different pictures). I want to make sure they do not see duplicates (e.g. the same picture or same text) and preferable and a random order. Does anybody have any idea how I can make this work?

 

Any help is appreciated!

Maurice

 

2 replies

ArunDubey
QPN Level 8 ●●●●●●●●
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  • ArunDubey
  • QPN Level 8 ●●●●●●●●
  • 589 replies
  • May 22, 2023

Use Randomizer element of survey flow. Please refer below support link and customize randomizer as per your requirement.
Randomizer (qualtrics.com)

~ Arun Kumar Dubey
ArunDubey
QPN Level 8 ●●●●●●●●
Forum|alt.badge.img+41
  • ArunDubey
  • QPN Level 8 ●●●●●●●●
  • 589 replies
  • May 22, 2023

you can create 120 embedded field set each field value as 0 at the beginning of survey. Just like below SS.

Now set randomizer and create individual element for each embedded field as mentioned below. In the below randomizer I have created 5 elements based on above 5 embedded field and passing value as 1. Then below I have updated the randomizer present =2 and checked evenly present elements check box to get each element equal number of time and one respondent will see only Concept at a time.

 

Then applied the branch logic on each block. So if randomizer will pick C1=1 and C3=1, then it will skip C2 and show C1 and C3. Try this in dummy survey. Then apply on main version.

 

~ Arun Kumar Dubey


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