Search found 3 matches

by kkasia
Wed Jun 03, 2020 5:39 pm
Forum: General questions about choice experiments
Topic: Adding opt-out alternative
Replies: 4
Views: 9610

Re: Adding opt-out alternative

Thank you!

Kasia
by kkasia
Fri May 29, 2020 5:02 pm
Forum: General questions about choice experiments
Topic: Adding opt-out alternative
Replies: 4
Views: 9610

Re: Adding opt-out alternative

Thank you for your answer and explanations, Michiel!
Now I see it more clearly.

Nice example with toll roads. To be honest I am a bit reluctant when it comes to adding an opt-out, but you showed me that forced choice after opt-out is a perfect solution to overcome the issue and my prejudices.

In ...
by kkasia
Thu May 28, 2020 10:19 pm
Forum: General questions about choice experiments
Topic: Adding opt-out alternative
Replies: 4
Views: 9610

Adding opt-out alternative

Dear Ngene Experts,

What do you think about adding an opt-out ("none") alternative to the questionnaire AFTER a design without opt-out option was created?

Utility for opt-out alternative is set to zero, but it has an impact on design efficiency, so it seems to be essential to add an opt-out when ...