Embed Size (px)
Citation preview
Data Management Seminar, 8-11th July 2008, Hamburg1
Su
rvey A
dm
inis
trati
on
Rece
ivin
g M
ate
rial
Data
Su
bm
issi
on
InstrumentPreparation
Codebook Adaptation
Sampling and Preparing
Survey Administration
Scoring
Data Entryand Verification
Data Management Seminar, 8-11th July 2008, Hamburg2
Su
rvey A
dm
inis
trati
on
Rece
ivin
g M
ate
rial
Data
Su
bm
issi
on
InstrumentPreparation
Codebook Adaptation
Sampling and Preparing
Survey Administration
Scoring
Data Entryand Verification
Data Management Seminar, 8-11th July 2008, Hamburg3
Codebook Adaptation
Adapt Codebooks to National Questionnaires
DocumentAdaptations
Data Management Seminar, 8-11th July 2008, Hamburg4
Codebook Adaptation
Adapt Codebooks to National Questionnaires
DocumentAdaptations
Data Management Seminar, 8-11th July 2008, Hamburg
Introduction to Codebook Structure
Data Management Seminar, 8-11th July 2008, Hamburg6
Table of Content
Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical VariablesDefault, Missing and Valid Values The Codebook Editor
Data Management Seminar, 8-11th July 2008, Hamburg7
Codebooks(Structure Database *.sdb)
dBASE compatible fileContaining general information for each variable in data file
- Supplementary information during data entry
- Data validation checks- Creation of SAS/SPSS control files
Corresponding codebook for each instrument/ e.g. data file
Data Management Seminar, 8-11th July 2008, Hamburg8
Relationship Between Instrument, Codebook and Data File
IT2G02
IDTEACH … IT2G02 … 100101 2 … 100201 1 … … … …
VARIABLE NAME
VARIABLE TYPE
QUESTION LOCATION
VALID VALUES
…
… … … … ... IT2G02 C I-TQ-02 1;2;3;4;5;6 … … … … … …
Data Management Seminar, 8-11th July 2008, Hamburg9
Table of Content
Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical VariablesDefault, Missing and Valid Values The Codebook Editor
Data Management Seminar, 8-11th July 2008, Hamburg10
Example: A Categorical Variable
1
2
3
4
5
6
Data Management Seminar, 8-11th July 2008, Hamburg11
valid range from 1 to 50
Example: A Non-Categorical Variable
Data Management Seminar, 8-11th July 2008, Hamburg12
Table of Content
Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical VariablesDefault, Missing and Valid Values The Codebook Editor
Data Management Seminar, 8-11th July 2008, Hamburg13
M issing Values Valid Values
Default, Missing and Valid Values
Default
6, 96, 996, ...
Invalid
7,97,997,...
Omitted
9, 99, 999, ...
Not Administered
8, 98, 998, ...
Data Management Seminar, 8-11th July 2008, Hamburg14
Example: A Categorical Variable
1
2
3
4
5
6
96
97
98
99
Data Management Seminar, 8-11th July 2008, Hamburg15
Example: A Non-Categorical Variable
valid range from 1 to 50
96
97
98
99
Data Management Seminar, 8-11th July 2008, Hamburg16
Table of Content
Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical VariablesDefault, Missing and Valid Values The Codebook Editor
Data Management Seminar, 8-11th July 2008, Hamburg17
Example: Categorical Variables
IT2G01A
IT2G01B
…
Data Management Seminar, 8-11th July 2008, Hamburg18
Codebook – Variable Selection Box
Data Management Seminar, 8-11th July 2008, Hamburg19
Example: Categorical Variables
Data Management Seminar, 8-11th July 2008, Hamburg20
Codebook – Variable Selection Box
Data Management Seminar, 8-11th July 2008, Hamburg21
Codebook - Variable Name
Data Management Seminar, 8-11th July 2008, Hamburg22
International Teacher Questionnaire –
Question 02
Codebook – Location in Instrument
Data Management Seminar, 8-11th July 2008, Hamburg23
Codebook - Variable Type
Data Management Seminar, 8-11th July 2008, Hamburg24
Example: Categorical Variables
Data Management Seminar, 8-11th July 2008, Hamburg25
Codebook - Variable Length
Data Management Seminar, 8-11th July 2008, Hamburg26
Example: Categorical Variables
96
97
98
99
1
2
3
4
5
6
Data Management Seminar, 8-11th July 2008, Hamburg27
Codebook – Number of Decimals
Data Management Seminar, 8-11th July 2008, Hamburg28
Codebook – Variable Label
Data Management Seminar, 8-11th July 2008, Hamburg29
Example: Categorical Variables
Data Management Seminar, 8-11th July 2008, Hamburg30
Data File - Variable Label
Data Management Seminar, 8-11th July 2008, Hamburg31
Codebook - Order
Data Management Seminar, 8-11th July 2008, Hamburg32
Codebook - IDBOOK
Data Management Seminar, 8-11th July 2008, Hamburg33
Codebook – Carry On Values
Data Management Seminar, 8-11th July 2008, Hamburg34
Codebook – Hide Variable
Data Management Seminar, 8-11th July 2008, Hamburg35
Codebook - Proceed
Data Management Seminar, 8-11th July 2008, Hamburg36
Codebook - Variable Properties
Data Management Seminar, 8-11th July 2008, Hamburg37
Codebook - Variable Properties
Data Management Seminar, 8-11th July 2008, Hamburg38
Data File - Variable Properties
Data Management Seminar, 8-11th July 2008, Hamburg39
Example: A Non-Categorical Variable
Data Management Seminar, 8-11th July 2008, Hamburg40
Codebook - Variable Properties
Data Management Seminar, 8-11th July 2008, Hamburg41
Codebook - Variable Properties
`Invalid Code‘ : 97
Should be entered but has to be confirmed because it is out of valid range
!
Data Management Seminar, 8-11th July 2008, Hamburg42
Thank you for your attention
