Randomization with conditions?


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wmfang
wmfang
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I am designing a study where participants are providing their evaluation 8 different social media profiles. 
These 8 profiles should be randomly selected from 16 profiles that I created in Inquisit (see screenshot below).

The four conditions to the 8 chosen profiles are:
- 4 should be high in Economic, 4 should be low in Economic,
- 4 should be high in Social, 4 should be low in Social
- All 4 locations should be represented in the high Economic profiles
- All 4 locations should be represented in the low Economic profiles
- All 4 locations should be represented in high Social profiles
- All 4 locations should be represented in low Social profiles

I currently have it such that there are 16 possible combinations of the 8 profiles, and participants see 1 combination that is randomly chosen. 

Thus, I would like to code this in Inquisit with conditional statements choosing from lists of profiles. How would I do this?

Thanks in advance!

Here are 2 examples of possible combinations:
<block combination1>
/ trials = [
1=high_econ_high_social_AR;
2=high_econ_high_social_SC;
3=high_econ_low_social_ID;
4=high_econ_low_social_TN;
5=low_econ_high_social_ID;
6=low_econ_high_social_TN;
7=low_econ_low_social_AR;
8=low_econ_low_social_SC;
]
</block>

<block combination2>
/ trials = [
1=high_econ_high_social_AR;
2=high_econ_high_social_ID;
3=high_econ_low_social_SC;
4=high_econ_low_social_TN;
5=low_econ_high_social_SC;
6=low_econ_high_social_TN;
7=low_econ_low_social_ID;
8=low_econ_low_social_AR;
]
</block>


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