Advantages and Disadvantages of CAPI Technology in Agricultural Surveys
Explore the benefits and drawbacks of Computer-Assisted Personal Interview (CAPI) technology for field data capture in agricultural surveys. Understand the advantages like easier survey management and higher data quality, alongside disadvantages such as high fixed costs and connectivity requirements. Learn about popular CAPI software options and their features.
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Presentation Transcript
Regional Roundtable on World Programme for the Census of Agriculture 2020 Port of Spain, Trinidad and Tobago 22-26 May 2017 Use of Technology for field data capture and compilation Technical session 17c Jairo Castano Senior Statistician Leader, Agricultural Census and Survey Team FAO Statistics Division
Overview Overview advantages, disadvantages, products on the market of CAPI: description, Overview of Survey Solutions features Country examples: Estonia and Latvia
What is CAPI? Computer Assisted Personal Interview (CAPI) software allows recording responses on a computer or tablet instead of paper.
What are the advantages of CAPI? Easier Survey Management Reduced variables costs (No transport costs, no storage costs, no printing costs, no data-entry costs) Reduced time from data collection to analysis and reporting Higher quality data (Enforced skip patterns, validation conditions, look-up tables)
What are the advantages of CAPI? Novel question types Geo reference, photos, barcodes scanning (for national IDs) Closer field monitoring Export paradata for monitoring activities during interviews (e.g. start & end time) Almost real time export of microdata Easier to implement changes to questionnaire No need to send questionnaires back and forth to field
What are disadvantages of CAPI? High fixed cost Can be reduced by sharing use with other surveys Requires more preparation time - programming and testing questionnaire, procurement Time savings on back-end from no data entry compensates Many times requires connectivity Risks can be reduced by using 2 sim cards, back-up paper questionnaires, etc. Others: vulnerability to weather, batteries and access to power for charging
CAPI Products Census and Survey Processing System (CSPro) Developed by the US census bureau and funded primarily by USAID. Widely used, but lacks survey management tools and requires programming knowledge. FREE + programming costs Open Data Kit (ODK): Core developers at UoW Dpt. Of Computer Science. Open-sourced, funded partially through donations of users. FREE+ programming costs My Survey Solutions: Development supported by the Worl Bank GS, and first version released in 09.2013. Closed source, but integrates data management tools, and requires little to no knowledge of programming. FREE
FAO and Survey Solutions Global Strategy has implemented small sample surveys in Tanzania, Indonesia, and Jamaica World Bank in partnership w/ NSOs have implemented surveys respondents in Malawi, 400K in Uganda, and 2.7 million in SouthAfrica. reaching 200K
Survey Solutions Features User friendly survey management system built right into the software. Survey designer programming skills Cloud based data storage and transfer Geo references questions (holding location) Can accommodate any type of question User-friendly Android application for data entry no that requires
Survey Solutions Features (contd) Documentation on every part of the system available E-learning course modules) Data export available in SPSS and STATA formats. DDI compliant metadata generated. Automatic paradata monitoring *DDI: Data Documentation Initiative, an int l standard for describing statistical data available online (13 automatically tabulation for field
Country Experiences BRASIL - Agricultural Census 2006 & 2017 Smartphones in 2006 and Sansung Galaxy Tablets for 2017. MEXICO livestock and forestry 2007 PDAs in 2007 and netbooks in 2018. - VII Census of agriculture, URUGUAY 2011 Tracking spreadsheets for area coverage. - General Agricultural Census of holdings using GPS and e-
Country experiences on use of CAPI, CATI, CASI and GPS technologies in census Country name Estonia France Latvia Malta Poland Slovenia Lithuania Netherlands Iceland Austria Finland Sweden Mozambique Venezuela Argentina Colombia Brazil Mexico Canada online monitoring of the progress in field operations in real time. CAPI/GPS/PDA/C ATI/CASI CAPI, CASI CAPI CAPI, CATI,CASI, CAPI CAPI, CATI,CASI CAPI, CATI CASI CASI CASI CASI CASI CASI, CATI CAPI, GPS CAPI, GPS CAPI CAPI CAPI CAPI CASI GPS CASI CASI CAPI CAPI CAPI Year of census Countries are increasingly using IT technology agricultural censuses for: 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2009/2010 2008 2008 2014 2006 2007 2011 in data CASI, CATI); identification of location for field operation enumerators (GPS); collection (CAPI, of 2011 2012 2011 2007 2013 2014 Uruguay USA Australia Jordan Thailand Iran
