Survey Completion Timer from the time Survey Has been Accessed

[Sai Rahul Balijepalli]

We are currently building an exam survey for students on REDCap and we are trying to set an exam timer from when the survey was opened by the student. I tested the “Time Limit for Survey Completion” survey setting but that setting only calculates the time and limits the survey from the time the survey invite link was sent compared to when the survey link was opened by the student. I could not find any external modules on REDCap that could do this. 

I am reaching out to see if there is an external module I missed and if there is a way to do this.

Thank you,

Rahul

[Eryka Saylor]

I don't use an external module to calculate, but here is how I do it:

1. At the start of the survey, I ask the respondent for "time they began the survey" as a Text Box, using the validation of Time (HH:MM). 

2. At the end of the survey, I ask the respondent for "time they ended the survey" as a Text Box, using the validation of Time (HH:MM).

3. At the end of the survey, after the variable I create in step 2, I created an @hidden-survey variable for survey completion time as a Calculated Field and use the following equation: datediff([start_time],[end_time],"m"). It will calculate the time it took them in minutes. 

Hope this helps! I'm sure there are fancier ways, but this works. 

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[Rick Watts]

You can also use action tags @NOW and @HIDDEN-SURVEY to prepopulate a hidden field with the date and time when the survey form is opened. @NOW takes the local time from the participant's browser, whereas @NOW-SERVER will populate with the server time. You'll have to decide which one meets your needs best, or maybe just use both.

Rick Watts

Team Lead, Research Informatics, Women and Children’s Health Research Institute

Health Research Data Strategist, College of Health Sciences

rick....@ualberta.ca

University of Alberta

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