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Dear Michiel,

I have looked at a couple of other posts on this forum about including Asc, but I am still a little confused. I appreciate your kind advice for my two questions below.

(Q1) I noticed that with the opt-out design, we need to set up the same constant for alt1 and alt2. My question is ...

Dear Prof. Bliemer,

I am facing a trade-off by adding an additional attribute with constraints set up required, I would like to seek your suggestions.
My original Ngene code below works fine.
Design
;alts = A*, B*, neither
;rows = 24
;block = 3
;eff = (mnl,d)
;model:
U(A) = b1.dummy[0|0|0] * MM[0 ...

Dear Professors,

We do not plan to do a pilot and plan to use the below code for our final study to avoid the dominant alternatives. I have four questions and wanted to seek your kind advice.

Design
;alts = PackageA*, PackageB*, status quo
;rows = 24
;eff = (mnl,d)
;block = 3
;model:
U(PackageA ...