Implementing technology in Census Data Management - UNSD
Implementing technology in Census Data Management NSA goes CAPI It is better to prevent errors than to cure them later (Redman 2001) Why NSA goes CAPI
Accuracy of data collection Improved project completion time Timeliness and availability of data Flexibility of technology Cost effective ( especially for large and reoccurring surveys)
NSA and CAPI Successful stories Agriculture Census 2013/14 Used laptop Acer 15inch Namibia Household Income Expenditure Survey 2015/16 10600 HHs Namibia Inter-censual Survey 2016 - 12000HHs Labour Force Survey (NIDS) 2016 - 12000HHs NIDS and LFS 2016 took 3 months for data processing.
Census 2021 Planning Data collection tools design Considerations Considerations of technology Software main features Case management In field automation sampling process Advanced programming languages
Case tree (menu) Selection of handheld device GPS and mapping Data synchronization and backups Storage capacity Device performance in terms of processing power Compatibility with CSPro (Window & Android platform) user friendliness in terms of weight and size
NSA & Census and Survey Processing System (CSPro) CSPro and NSA CSPro Census and Survey Processing System Developed by U.S. Census Bureau CSEntry Android application, First release in 2014 Data entry, edits and imputations and tabulation
Main CSPro features Support multiple languages Sophisticated programming languages Tightly controlled path Data synchronization Why CSPro? Case Management Segregation of roles , HH assignment, completeness
and accuracy controls Interview assignments Field supervisor can assign interviews Field Supervisor overseen the completeness and quality of interviewer output Transferring data to the central server
Why CSPro? Improve data quality through.. Automated routing (skips patterns)
Direct consistency checks and data validation during fieldwork Precoded drop down menus or coded drop down menus or radiocoded drop down menus or buttons More accurate measurement..e.g... GPS coordinates Why CSPro? Data Transfer Data is
transmitted via FTP including transfer protocols that encrypt and protect sensitive survey data Why CSPro? Cont Case tree makes navigation easier
Visibility of entered records on the same screen Lessons learned from first implementation CAPI DP- Lessons learned Planning Phase
New technology without proper methodology assessment done < resources , time & costs) Advanced programming required (CSPro etc..) ,support from U.S. Census New technology for a complex survey on very tight schedule/timeline Lack of Process /Methodology change management < awareness & understanding> Design Phase Questionnaire & System specifications plan ( Business rules, edits rules, recodes, derived variables, Tabulation) needed earlier
Incomplete project process data flow leads to risky continual application updates during fieldwork Not sufficient built in buffer time in the project plan Lack of project change control measures limited accountability DP - Lessons learned Build / Execution Android CSEntry application was being upgraded and more features added during production
Insufficient testing plan and procedures < no test end-toend > Pilot study done partially Supervisors & enumerators need basic IT skills IT risks (loss, crash, fallback) support needed CAPI and Process Change Management ICT Infrastructures Backup and Storage of data. Need to have access to internet or USB / External drives. Data is kept on the tablets until completion of
project data analysis Power Availability. Computer batteries need to be recharged. a bit difficult with remote areas with no electricity. Availability of technological support ( timely availability of IT equipments, Networking and intenet access for transfering and updating of files ) CAPI and Process Change Management
Things must be done earlier than usual at least six month for a survey Tabulation plan Finalise questionnaire content Define business process flow and field structure(e.g. sampling frame) Data editing rules & specifications ( rules, upper /lower data range, derived variables and so on) Subject Matter and Data Management must co-operate more closely Invest more time on planning for all project KEY stakeholders Ensure comprehensive system testing by both stakeholders
CAPI is (only) a tool - Project management & people stay essential Getting ready for Census 2021 Implemented measures Adopted a standard data processing tool - CSPro Invested in capacity training to Key DP staff Sponsors UNFPA ,USAID, Ukaid Instructor U.S. Census Bureau 90% of the programmers are trained in Android CSPro
programming Version.6.3 Improved process documentations supported by templates( specification requirements, change control, system testing procedures + sign off) ICT implemented mitigations Secure file transmission server (sftp) Centralized encryption for data and devices and remote device management
Assets inventory management Backup plans, recovery plans, redundancy and high systems availability. Internet provision for the field users, only until team supervisor level. ICT support staff during fieldwork ICT office for each region Envisioned System Improvement Planning Start earlier with the planning and setting up project architectural for Census 2021 Questionnaire design ( indicators and edit rules) finalized earlier prior to
system development atleast a year before Increase permanent data processing staff Sharing resources ( skills and devices) with other African countries Improve field quality assurance and control
Develop a web-based report tool enable real time reporting at field level Monitor the enumerator progress per EA as linked to the GIS-component Timely correction and solving field problems as they occurs Management daily monitoring and progress report CAPI Data flow ICT Infrastructures Thank you
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