How To Generate a Unique Respondent Id

 

Background

 It is often requested to generate a unique value for each interview that will be part of the survey data that can be used along the script and viewed later on the device and/or in the interview data.

Steps

Each interview has a unique device-generated identifier that is available during the interview and corresponds to the server-generated Subject ID.

This value can be accessed in scripts using:

DisplayDeviceIndex

The same value also appears in the Global Index column in the Operations Console.