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Electronic Data Capture using Open Data Kit Keith Branson Karonga Prevention Study (KPS) Mobile Data Collection Seminar 27 September 2013

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Slides for Keith Branson's talk on performing mobile data capture using Open Data Kit (ODK). Presented at the London School of Hygiene & Tropical Medicine for a seminar on Mobile Data Collection seminar on Sept 27, 2013.

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Page 1: Electronic Data Capture using Open Data Kit

Electronic Data Capture using Open Data Kit

Keith BransonKaronga Prevention Study (KPS)

Mobile Data Collection Seminar27 September 2013

Page 2: Electronic Data Capture using Open Data Kit

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

Page 3: Electronic Data Capture using Open Data Kit

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.

http://opendatakit.org/use/build/
http://opendatakit.org/use/xlsform/
http://opendatakit.org/use/collect/
http://opendatakit.org/use/aggregate/
Page 4: Electronic Data Capture using Open Data Kit

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

Page 5: Electronic Data Capture using Open Data Kit

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

Page 6: Electronic Data Capture using Open Data Kit

Form design• Coded in Excel spreadsheet

Page 7: Electronic Data Capture using Open Data Kit

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

Page 8: Electronic Data Capture using Open Data Kit

Aggregate Server interface

Page 9: Electronic Data Capture using Open Data Kit

ODK Collect

Page 10: Electronic Data Capture using Open Data Kit

ODK Collect Options

Page 11: Electronic Data Capture using Open Data Kit

Collect “go to prompt”

Page 12: Electronic Data Capture using Open Data Kit

Collect “Finalize”

Page 13: Electronic Data Capture using Open Data Kit

Issues

Software • Amending

uploaded data• Pre –print tickets• Lockdown

Mobile device selection• Battery life• GPS accuracy• Camera quality

Page 14: Electronic Data Capture using Open Data Kit

Mobile device considerations

Page 15: Electronic Data Capture using Open Data Kit

http://opendatakit.org/


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