1. Data Management Seminar, 8-11th July 2008, Hamburg 1 Survey Administration Receiving Material Data Submission Instrument Preparation Codebook Adaptation Sampling and Preparing Survey Administration Scoring Data Entry and Verification

2. Data Management Seminar, 8-11th July 2008, Hamburg 2 Survey Administration Receiving Material Data Submission Instrument Preparation Codebook Adaptation Sampling and Preparing Survey Administration Scoring Data Entry and Verification

3. Data Management Seminar, 8-11th July 2008, Hamburg 3 Codebook Adaptation Adapt Codebooks to National Questionnaires Document Adaptations

4. Data Management Seminar, 8-11th July 2008, Hamburg 4 Codebook Adaptation Adapt Codebooks to National Questionnaires Document Adaptations

5. Data Management Seminar, 8-11th July 2008, Hamburg Introduction to Codebook Structure

6. Data Management Seminar, 8-11th July 2008, Hamburg 6 Table of Content Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical Variables Default, Missing and Valid Values The Codebook Editor

7. Data Management Seminar, 8-11th July 2008, Hamburg 7 Codebooks (Structure Database *.sdb) dBASE compatible file Containing 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

8. Data Management Seminar, 8-11th July 2008, Hamburg 8 Relationship Between Instrument, Codebook and Data File IT2G02

9. Data Management Seminar, 8-11th July 2008, Hamburg 9 Table of Content Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical Variables Default, Missing and Valid Values The Codebook Editor

10. Data Management Seminar, 8-11th July 2008, Hamburg 10 Example: A Categorical Variable 123456123456

11. Data Management Seminar, 8-11th July 2008, Hamburg 11 valid range from 1 to 50 Example: A Non-Categorical Variable

12. Data Management Seminar, 8-11th July 2008, Hamburg 12 Table of Content Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical Variables Default, Missing and Valid Values The Codebook Editor

13. Data Management Seminar, 8-11th July 2008, Hamburg 13 Default, Missing and Valid Values Default 6, 96, 996,... Invalid 7,97,997,... Omitted 9, 99, 999,... Not Administered 8, 98, 998,...

14. Data Management Seminar, 8-11th July 2008, Hamburg 14 Example: A Categorical Variable 123456123456 96 97 98 99

15. Data Management Seminar, 8-11th July 2008, Hamburg 15 Example: A Non-Categorical Variable valid range from 1 to 50 96 97 98 99

16. Data Management Seminar, 8-11th July 2008, Hamburg 16 Table of Content Relationship between Instrument, Data File and Codebook Categorical and Non-Categorical Variables Default, Missing and Valid Values The Codebook Editor

17. Data Management Seminar, 8-11th July 2008, Hamburg 17 Example: Categorical Variables IT2G01AIT2G01B…

18. Data Management Seminar, 8-11th July 2008, Hamburg 18 Codebook – Variable Selection Box

19. Data Management Seminar, 8-11th July 2008, Hamburg 19 Example: Categorical Variables

20. Data Management Seminar, 8-11th July 2008, Hamburg 20 Codebook – Variable Selection Box

21. Data Management Seminar, 8-11th July 2008, Hamburg 21 Codebook - Variable Name

22. Data Management Seminar, 8-11th July 2008, Hamburg 22 International Teacher Questionnaire – Question 02 Codebook – Location in Instrument

23. Data Management Seminar, 8-11th July 2008, Hamburg 23 Codebook - Variable Type

24. Data Management Seminar, 8-11th July 2008, Hamburg 24 Example: Categorical Variables

25. Data Management Seminar, 8-11th July 2008, Hamburg 25 Codebook - Variable Length

26. Data Management Seminar, 8-11th July 2008, Hamburg 26 Example: Categorical Variables 96 97 98 99 123456123456

27. Data Management Seminar, 8-11th July 2008, Hamburg 27 Codebook – Number of Decimals

28. Data Management Seminar, 8-11th July 2008, Hamburg 28 Codebook – Variable Label

29. Data Management Seminar, 8-11th July 2008, Hamburg 29 Example: Categorical Variables

30. Data Management Seminar, 8-11th July 2008, Hamburg 30 Data File - Variable Label

31. Data Management Seminar, 8-11th July 2008, Hamburg 31 Codebook - Order

32. Data Management Seminar, 8-11th July 2008, Hamburg 32 Codebook - IDBOOK

33. Data Management Seminar, 8-11th July 2008, Hamburg 33 Codebook – Carry On Values

34. Data Management Seminar, 8-11th July 2008, Hamburg 34 Codebook – Hide Variable

35. Data Management Seminar, 8-11th July 2008, Hamburg 35 Codebook - Proceed

36. Data Management Seminar, 8-11th July 2008, Hamburg 36 Codebook - Variable Properties

37. Data Management Seminar, 8-11th July 2008, Hamburg 37 Codebook - Variable Properties

38. Data Management Seminar, 8-11th July 2008, Hamburg 38 Data File - Variable Properties

39. Data Management Seminar, 8-11th July 2008, Hamburg 39 Example: A Non-Categorical Variable

40. Data Management Seminar, 8-11th July 2008, Hamburg 40 Codebook - Variable Properties

41. Data Management Seminar, 8-11th July 2008, Hamburg 41 Codebook - Variable Properties `Invalid Code‘ : 97 Should be entered but has to be confirmed because it is out of valid range !

42. Data Management Seminar, 8-11th July 2008, Hamburg 42 Thank you for your attention