11. structure checking and verification

8/3/2019 11. Structure Checking and Verification

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MICS Data Processing Workshop

Structure Checkingand Verification


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Structure Checking Flow Chart

Main Data Entry

Structure Check

Verification Data Entry

Investigate Errors

Correct Main Data FileData Entry Operator 1

DP Supervisor

DP Supervisor

Data Entry Operator 2

Data Entry Operator 1

Check ok?

Yes

No


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Structure Checking

Check the number of questionnaires in the

data file matches number of questionnaires onthe cluster tracking form

Check household information panel counts ofwomen and under-fives (HH12-15) match

number of questionnaires in the data file


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The Cluster Tracking Form

Allows supervisor to organize and track data

entry progress Questionnaire totals entered by questionnaire

administrator

Other information entered by supervisor


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Cluster Tracking Form

Number of questionnaires Data entry

Clusternumber

Datereceived

HouseholdsSelected Household Womens Childrens

Operatorname

Operatornumber

Creationdate

Datecheck

complete

Dateverificationcomplete

Date ofraw databack-up

Date ofediting

Date offinal

back-up

M: Sarah 1 23/08/05

101 23/08/05 17 17/14 19/19 21/19 V: Alpha 7 25/08/05 26/08/05 28/08/05 28/08/05

M: Mariam 4 21/08/05102 21/08/2005 17 17/16 23/19 18/16

V: Joy 3 23/08/0524/08/05 25/08/05 25/08/05 27/08/05 27/08/05

M:103 21

V:

M:104 23

V:

105 29/08/2005 15 15/15 14/11 13/12 M: Alpha 7 29/08/05


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Cluster Tracking Checks

Check questionnaires in data file equal

questionnaires on cluster tracking form Check done for:

Complete, Incomplete and Total Households

Complete, Incomplete and Total Women

Complete, Incomplete and Total Children


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Cluster Checks

Womens questionnaires = HH12

Completed womens questionnaires = HH13 Under-five questionnaires = HH14

Completed under-five questionnaires = HH15


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Household Checks

Womens questionnaires = HH12

Completed womens questionnaires = HH13 Under-five questionnaires = HH14

Completed under-five questionnaires = HH15


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Sample Output - Household

MICS Data Structure Check

Household: 1

Result: 1

Women | Children

Eligible Interviewed | Eligible Interviewed

HH12 FOUND HH13 FOUND | HH14 FOUND HH15 FOUND

4 4 3 3 | 2 2 1 1

Use listing of households to identify source of clusterlevel problems


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Verification Flow Chart

Verification Data Entry

Verification

Backup Raw Data File

Determine Correct Values

Correct Both Data FilesData Entry Operator 2

DP Supervisor

Data Entry Operator 1 & 2

DP Supervisor

Data Entry Operator 1 & 2

Differences?

No

Yes


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Verification

Purpose: Eliminating data entry errors

Method:1. program compares main and verification data files

2. program produces list of differences

3. data entry operators use listing and questionnaires

to determine corrections4. Corrections marked on listing

5. BOTH data files corrected by original operators

6. repeat 1-5 until no differences in listing!


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A Differences Listing

Input File: C:\MICS\CSPRO\RAW\HH003M.DAT

Reference File: A:\HH003V.DAT

-----------------------------------------------------------------------------------------------

Case IdItem Input File Reference File

-----------------------------------------------------------------------------------------------

[003001 ]

ED3(6) 202 204

ED3B(6) 02 04

DA11(9) 2 1

[00300404]

IM1 1 2IM2 31032004

IM2D 31

IM2M 03

IM2Y 2004


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Verification Application

The file compare.cmp defines which items (i.e.,

variables) are to be excluded It is strongly recommended that this file not be

changed

11. structure checking and verification

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