unsd workshop tanzania june 2008 john gomersall andy tye
TRANSCRIPT
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UNSD UNSD WorkshopWorkshop
TanzaniaTanzania
June 2008June 2008
JOHN GOMERSALLJOHN GOMERSALL
ANDY TYEANDY TYE
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DRS EXPERIENCE IN
AFRICAN CENSUS DATA CAPTURE
DRS
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DRS in Census
DRS HAS PROVIDED SCANNERS, QUESTIONNAIRES, SOFTWARE & DRS HAS PROVIDED SCANNERS, QUESTIONNAIRES, SOFTWARE & TRAINING FOR, & WORKED WITH:TRAINING FOR, & WORKED WITH:
Zambia Census 2000Zambia Census 2000 (OMR)(OMR)
Tanzania Census 2002Tanzania Census 2002 (OMR)(OMR)
ETHIOPIA 2007 ETHIOPIA 2007 (OMR + K/C)(OMR + K/C)
ZIMBABWE 2007/8 ZIMBABWE 2007/8 (OMR) (ICDC)(OMR) (ICDC)
SUDAN 2008 SUDAN 2008 (OMR + K/C)(OMR + K/C) MALAWI 2008 MALAWI 2008 (OMR + K/C)(OMR + K/C)
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ZambiaZambia
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Tanzania
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Ethiopia 2007Ethiopia 2007
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The QuestionnairesThe Questionnaires
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MALAWI 2008
ENUMERATION NOW !
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ZimbabweZimbabwe
ICDS - 2007/8ICDS - 2007/8
Pilot on holdPilot on hold
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Ethiopia
Kenya
Uganda
Tanzania
Zanzibar
Malawi
Mozambique
Zambia
Zimbabwe
BotswanaSouth Africa
Lesotho Swaziland
Namibia
CameroonNigeria
Ghana
Ivory Coast
Liberia
Sierra Leone
Mali
Gambia
Sudan
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Data captureData capture
Data captureData capture
Enumeration
Questionnaire Design
Including:
Census Preparations
CSProCensus Results
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………………. . is that painful interval between enumeration and evaluation of the data
Data captureData captureData captureData capture
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Data capture ?Data capture ?
Data capture ?Data capture ?
Not so good news ……
No panacea !
a) Internal
b) Outsource
a) Keying
b) Scanning – of some sort + Keying
Good news …… there are techniques which can assist,
& choices – are relatively few.
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Considerations Considerations
• Timeframe for producing resultsTimeframe for producing results
• Type of Questions / Enumerator or Self Completion Type of Questions / Enumerator or Self Completion
• Questionnaire Design / Implications for EnumeratorsQuestionnaire Design / Implications for Enumerators
• Accuracy ?? – of completion / of data captureAccuracy ?? – of completion / of data capture
• ANTICIPATED CONDITION OF QUESTIONNAIRES ANTICIPATED CONDITION OF QUESTIONNAIRES
• SKILLS AVAILABLESKILLS AVAILABLE
Choice 1.a) Keying – still has a placeb) Scanning – of some sort + Keying
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Scanning. Scanning. When the Enumeration is over, what happens next?When the Enumeration is over, what happens next?
Images
&
Data
ValidationExport to
CSPro
for data cleaning & analysis
Key completion
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OMR + Keying
“Intelligent” Scanning (Image + Data)
Confirm /complete
Key from Image
Export data
Validation of Data
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OMR / Key Correction AdvantagesOMR / Key Correction Advantages
OMR
Quickest, simplest data capture method for well completed forms
Enumerator only needs to mark
HB Pencil + Eraser
Appropriate level of technology for current IT resources
Cost competitive solution – known / one time
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OMROMRWithout question, OMR is the fastest & easiest way to
capture data
IFthe Questionnaire is filled out correctly
===========================================
It is easier to train 30,000 enumerators to mark
than it is to train them to correctly write, &
accurately position characters 5
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Data Accuracy – at scanningData Accuracy – at scanning
OMROMR – the scanner will recognise this 99.99% – the scanner will recognise this 99.99%
of the timeof the time
IT Resources – current / available skills
Database Programming & Management
VB.net / Csharp etc program development
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• Is there a capable & willing partner available?Is there a capable & willing partner available?
• Is this really a potential opportunity for CSO Is this really a potential opportunity for CSO data capture resource building? At what stage data capture resource building? At what stage of IT resource development are CSO?of IT resource development are CSO?
A third way?A third way?Outsource scanning / CSO Key Correction !!Outsource scanning / CSO Key Correction !!
Choice 2.a) Internalb) Outsource
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Established 1969 Milton Keynes, UKApprox. 200 employees
Manufacturer and supplier, world-wide, of automated data capture technology and solutions.
Specialists in swift, accurate and secure data entry for mission critical projects
•Examinations•Voter Registration •Census•Elections
Scanners, specialised forms, software
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DRS Scanning SystemsDRS PS900
Potential Scanning Speed:Up to 8,000 double sided forms per hour
Full Image + OMR Data
Anticipated throughput:
3,000 forms per hour
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DRS PS900 OMR / Image technology permits:DRS PS900 OMR / Image technology permits:
Real time OMRReal time OMR
Electronic Archiving of image Electronic Archiving of image
Key Correction from image Key Correction from image
ICR/OCR – “post process”ICR/OCR – “post process”
OMR
+
Key Correction from Image
ICR
+
Key Correction from Image
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DRS Prints more than DRS Prints more than 200 million specialist 200 million specialist formsforms a year a year
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DRS Software DivisionDRS Software Division
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DRS provides:DRS provides:
• Experience from past census projectsExperience from past census projects• Guidance in all aspects of the data captureGuidance in all aspects of the data capture
(IT infrastructure, Work flow, Project Mgmt.)(IT infrastructure, Work flow, Project Mgmt.)
• Design & Print QuestionnairesDesign & Print Questionnaires• ScannersScanners• Customised data capture and key correction Customised data capture and key correction
software (OMR / ICR or a combination)software (OMR / ICR or a combination)• Training & Support Training & Support
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Comprehensive
Documentation
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Ethiopia
Kenya
Uganda
Tanzania
Zanzibar
Malawi
Mozambique
Zambia
Zimbabwe
BotswanaSouth Africa
Lesotho Swaziland
Namibia
CameroonNigeria
Ghana
Ivory Coast
Liberia
Sierra Leone
Mali
Gambia
Sudan
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Eritrea Gambia x Lesotho x Mauritius
Ethiopia xx Ghana x Botswana x Seychelles
Sudan Liberia x Namibia x
Nigeria x South Africa x
Sierra Leone x Swaziland x
Kenya x
Tanzania x Zambia x
Uganda x Zimbabwe x
Rwanda x Malawi x
Here we are:
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Eritrea Gambia Lesotho Mauritius
Ethiopia Ghana Botswana Seychelles
Sudan Liberia Namibia
Nigeria South Africa
Sierra Leone Swaziland
Kenya
Tanzania Zambia
Uganda Zimbabwe
Rwanda Malawi
This is not new &
you are not alone !
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How much How much hashas it cost? it cost?
QuestionnairesQuestionnaires
£ 1 million £ 1 million SupportSupport
Shipping Shipping
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Enumerators
Supervisors
CSO
IT
Questionnaire Design
Training
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Thank you