choice-metrics.com

Thank you very much for your advice, Michiel. It's very helpful.

Kind regards,
Sumudu

Dear moderators,
In my DCE, I'm trying to explore participant preferences for a mobile health app. My survey questionnaire presented a free choice (app A, app B and neither), followed by a forced choice between app A (coded as app C) and app B (coded as app D) again for those who selected neither ...

Many thanks, Michiel. I'll post the question in the forum you suggested.

Dear Moderators,

This question relates to Nlogit analysis. My DCE study explores user preferences for a mobile health app.
I have 4 attributes, training (Tr), typing (ty), monitoring (m) and health education (he), each with 3 levels.
Each participant answered 8 choice tasks with 3 alternatives ...

Thank you so much, Michiel.

I did not use a header row in the xlsx file as it was advised against in the Ngene manual (page 217).
I will try again with a header row with labels.

Thanks for your time.

Best regards,
Sumudu

Dear moderators,

I tried comparing efficiencies of two designs using the code shown below.

Design
;alts = appA, appB, neither
;rows = 16
;block = 2
;eff = (mnl,d,mean)
;eval = Eval_1.xlsx
;model :
U(appA) =
b_training.effect [(n,-0.53152,0.22209)|(n,-0.82365,0.23732)] * TRAINING [3,2,1]
+ b ...

Hi moderators,

I used Bayesian priors from my pilot data analysis in my Ngene design to develop the experimental design for the next pilot study.
I ran the code for 36 hours and the result for the final design is as below.

Fixed Bayesian mean
D error 0.242769 0.503778
A error 0.261961 0.667213 ...

In my DCE, I aim to assess preferences for a mobile app designed to assist individuals with chronic heart disease in managing their healthcare.
I'm considering presenting three alternatives: two unlabelled mobile apps and an opt-out option. My rationale for including the opt-out choice stems from ...