Electronic Data Capture using Open Data Kit
Keith BransonKaronga Prevention Study (KPS)
Mobile Data Collection Seminar27 September 2013
Open Data Kit (ODK)
• Set of tools, author, collect and manage mobile data collection on an android device
• Free• Open source• Software development by ODK community
ODK tools
• Build a data collection form or survey (XLSForm is recommended for larger forms)
• Collect the data on a mobile device and send it to a server
• Aggregate the collected data on a server and extract it in useful formats.
Survey
• NCD survey at two sites in Malawi• 5 electronic questionnaires • 3 languages English, Chichewa Tumbuka• Questionnaires range from a 21 page
form to single page
ODK Process
• Design form for mobile device ( build, Excel or 3rd party design tools)
• Transfer form to tablet (wireless or cable)
• Collect data• Upload data from tablet
Form design• Coded in Excel spreadsheet
ODK Aggregate Server• provide blank forms to ODK Collect• accept finalised forms (submissions) from ODK Collect • visualise the collected data using maps and simple graphs • export data (e.g., as CSV files for spreadsheets, or as KML files for Google
Aggregate Server interface
ODK Collect
ODK Collect Options
Collect “go to prompt”
Collect “Finalize”
Issues
Software • Amending
uploaded data• Pre –print tickets• Lockdown
Mobile device selection• Battery life• GPS accuracy• Camera quality
Mobile device considerations
http://opendatakit.org/