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Hi Michiel,
I got the answer from John, so that I will save questions for others.

Thank you and have a great weekend.

Anh

Dear Michiel,
I conducted the pilot, and Nlogit gave me. I updated the pilot design with the new beta to obtain the main design, and now I want to calculate the sample size for the main design.


Beta SE p-value
FP -0.08925 0.01534 0.0000
FN -0.26932 0.03519 0.0000
TS1 -0.58224 0.29286 0.0468
TS2 ...

Dear Professor Bliemer,
May I please have 2 more questions? Sorry if the questions are silly. I am very new to DCE, just a beginning learner.

1. Why in the SE or TS, you use [2,3,1] instead of [1,2,3] or [3,2,1]? I used either increasing or decreasing so I can decide whether the coefficient is ...

Thank you so much, Professor Bliemer. I appreciate your help very much.
Best wishes
Anh

Hi Everyone,
My survey has two alternatives: A (with AI) and B (without AI). I have attribute Supporting Evidence (SE). For alternative A, the SE will have 3 levels: No supporting evidence, Observational studies, and RCT. For Alternative B, the SE will have "Not applicable". Another attribute is ...