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Thank you for your answer Mr. Bliemer. Here is my design:

MNL efficiency measures

D error 0.165605
A error 0.609372
B estimate 82.946619
S estimate 53.270587

Prior freq(d0) freq(d1) type(d0) type(d1) type(d2) type(d3) coll(d0) time(d0) comp
Fixed prior value -0.45 -0.44 0 0 -0.31 -0.4 0 ...

Dear all,

I conducted a pre survey for my dissertation with a sample size of 60 respondents and 8 choice sets faced by each respondent. I ran a MNL model suggested by many as the beginning point of analyses. I selected alternative 3 (opt-out) as base outcome for the estimation. The stata output is ...

Thank you for your answer Mr. Bliemer.

Dear all,

I'm about to start my main survey with a sample size of 600-700 participants that I hope to reach. My question is, would it provide enough variation for this sample size if I create 24 choice sets in total as three blocks consist of 8 choice sets? is there any criteria for this issue ...

Thank you Mr. Bliemer.

Thank you so much for your help Mr. Bliemer. The question marks are now removed from my head. I would like to ask one more question: Should I use interaction terms in my case or when is it necessary to use?

Dear all,

I'm a beginner in DCE and NGENE and I'm supposed to conduct a DCE survey for my Phd thesis. My topic is waste source separation behaviour of households. I want to measure the willingness to accept compensation of households for separating their wastes at source. I determined a couple of ...