Youth Survey Luxembourg – Technical Report 2019. Esch-Sur-Alzette: University of Luxembourg
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Technical Report 2019 TECHNICAL REPORT 2019 University of Luxembourg 2020 DOI Preferred citation Sozio, M., Procopio, A., & Samuel, R. (2020). Youth Survey Luxembourg – Technical Report 2019. Esch-sur-Alzette: University of Luxembourg. 2 TECHNICAL REPORT 2019 TABLE OF CONTENTS 1. Youth Survey Luxembourg .................................................................................. 8 1.1 Institutional context and project funding .......................................................... 8 1.2 Survey objectives .............................................................................................. 8 1.3 Project implementation and pilot study ............................................................ 9 2. Sampling design ..................................................................................................... 9 2.1 Target population .............................................................................................. 9 2.2 Sampling frame and sources of information ..................................................... 9 2.3 Sample design and stratification ..................................................................... 10 2.4 Sample size and selection ............................................................................... 11 2.5 Representativeness of results .......................................................................... 12 3. Questionnaire design ........................................................................................... 13 3.1 Questionnaire structure and thematic modules ............................................... 13 3.2 Concepts and used indicators .......................................................................... 14 3.3 Questionnaire translation ................................................................................ 22 3.4 Cross-country comparability ........................................................................... 22 4. Data collection ...................................................................................................... 24 4.1 Respondent recruitment .................................................................................. 24 4.2 Response raising efforts .................................................................................. 28 4.2.1 Reminder letters ....................................................................................... 28 4.2.2 Use of incentives ...................................................................................... 33 4.3 Mode of data collection................................................................................... 33 4.4 Technical setup of the survey ......................................................................... 33 4.4.1 Respondent platform ................................................................................ 33 4.4.2 Survey platform ........................................................................................ 37 4.5 Data collection results ..................................................................................... 38 4.5.1 Data collection period .............................................................................. 38 4.5.2 Response rates .......................................................................................... 39 3 TECHNICAL REPORT 2019 4.5.3 Language of survey completion ............................................................... 40 4.5.4 Duration of completed interviews ............................................................ 41 4.5.5 Presence of bystanders during survey completion ................................... 41 4.5.6 Other paradata .......................................................................................... 42 5. Post-collection data processing ........................................................................... 43 5.1 Data processing and editing ............................................................................ 43 5.2 Non-response adjustment and weighting procedures ..................................... 44 6. Ethics and data protection .................................................................................. 46 6.1 Informed consent ............................................................................................. 46 6.2 Potentially harmful content and mitigation measures ..................................... 49 6.3 Data protection and anonymisation measures................................................. 49 6.3.1 Access to personal administrative data .................................................... 50 6.3.2 Collection of potentially identifying data ................................................ 50 6.4 Ethics approval ................................................................................................ 51 7. References ............................................................................................................. 52 8. Appendix ............................................................................................................... 57 8.1 Youth Survey Luxembourg: English questionnaire ........................................ 57 8.2 Youth Survey Luxembourg: French questionnaire ....................................... 126 8.3 Youth Survey Luxembourg: German questionnaire ..................................... 197 8.4 Youth Survey Luxembourg: Luxembourgish questionnaire ........................ 268 8.5 Youth Survey Luxembourg: Portuguese questionnaire ................................ 340 8.6 Youth Survey Luxembourg: Codebook ........................................................ 409 8.7 Youth Survey Luxembourg: French FAQ section ........................................ 631 8.8 Youth Survey Luxembourg: German FAQ section ...................................... 633 8.9 Youth Survey Luxembourg: Luxembourgish FAQ section .......................... 635 8.10 Youth Survey Luxembourg: Portuguese FAQ section ................................. 637 8.11 Youth Survey Luxembourg: Pilot study ....................................................... 639 4 TECHNICAL REPORT 2019 List of Tables Table 1: Resident population in 2019 by gender, age group and canton. .................... 10 Table 2: Selected sample by gender, age group and canton. ........................................ 12 Table 3: Number of questions by thematic module. .................................................... 14 Table 4: Methodological reference(s) by subdimension in module (1) Employment. 15 Table 5: Methodological reference(s), by subdimension in module (2) Education. .... 15 Table 6: Methodological references, by subdimension in module (3) Social background and family. ............................................................................................................. 16 Table 7: Methodological references by subdimension in module (4) Health and wellbeing. ............................................................................................................... 18 Table 8: Methodological references by subdimension in module (5) Political participation and social engagement. ..................................................................... 19 Table 9: Methodological references by subdimension in module (6) Life and society. ............................................................................................................................... 20 Table 10: Methodological references by subdimension in module (7) Social demographics. ........................................................................................................ 21 Table 11: Methodological references by subdimension in module (8) Paradata. ........ 22 Table 12: Number of responses by gender, age group and canton (unweighted). ....... 39 Table 13: Response rate by gender, age group and canton (unweighted). ................... 40 Table 14: Selected language for survey completion (unweighted). ............................. 40 Table 15: Presence of bystanders in the room during interview (unweighted). ........... 42 Table 16: Carefulness in filling out the questionnaire (unweighted). .......................... 42 Table 17: Codebook (unweighted), by variable name. Source: Youth Survey Luxembourg 2019. ............................................................................................... 409 Table 18: Comparison of methodological parameters adopted for the pilot study and the main survey. ......................................................................................................... 639 5 TECHNICAL REPORT 2019 List of Figures Figure 1: Calculation of strata sample sizes given a total sample size of n = 8,002 cases. ............................................................................................................................... 11 Figure 2: Invitation letter, French text. ......................................................................... 25 Figure 3: Invitation letter, Luxembourgish and German texts. .................................... 26 Figure 4: Invitation letter, personal credentials. ........................................................... 27 Figure 5: First reminder letter, French text. ................................................................. 29 Figure 6: First reminder letter, Luxembourgish and German texts. ............................. 30 Figure 7: Second reminder letter, French text. ............................................................. 31 Figure 8: Second reminder letter, Luxembourgish and German texts. ........................ 32 Figure