Limit select options to up to 3, but only 1 when 'None' is selected

[Kal_Lam]

Welcome to the community, @toast! Maybe you could restrict a response as outlined in our previous post:

How to limit a maximum of 3 choices in a multiple select question?

Hi @fernando, Please see the image below to limit choices to your desired number in a multiple select questions. In the survey tab: [Image%201] In the choices tab: [Image%202] Reference xlsform: count-selected.xlsx (13.3 KB)

In addition, you could restrict a response with the none as outlined in our post discussed previously:

How to set a constraint (validation) while selecting a response from a Multiple Choice Question

Hi @anamikadutt, Would you mind trying out as outlined in the image below to control your none of the above response in a multiple choice question: In the survey tab of your xlsform: [Image 1] In the choices tab of your xlsform: [Image 2] Data entry screen as seen in Enketo: When entered correctly [Image 1] Data entry screen as seen in Enketo: When entry error is made [Image 2] Reference xlsform: Constraint.xlsx (12.6 KB) Have a great day!