Generations and Gender Survey Germany-Turkish subsample Wave 1 & Wave 2en
GGS Germany-Turkish subsample Wave 1 & Wave 2en
Federal Institute for Population Researchen
The Generations and Gender Survey (GGS) provides micro-level data with the aim of significantly improving the knowledge base for social science and policymaking in Europe and developed countries elsewhere. In Europe 2020, the European Union develops a strategy "to help us come out stronger from the crisis and turn the EU into a smart, sustainable and inclusive economy delivering high levels of employment, productivity and social cohesion". The economic crisis affects not only day-to-day decisions, but also fundamental choices at all stages of people's lives: marriage and childbearing, the combination of employment and caring responsibilities for the young and the old, retirement, housing, and ageing well. The GGS has been developed to provide scientists with high-quality data to contribute scientifically grounded answers to these key policy questions. Survey content focuses on intergenerational and gender relations between people, expressed in care arrangements and the organization of paid and unpaid work. Key feature of the survey are:
- Cross-national comparability. In each country data is collected on the basis of a common international questionnaire and guidelines about the methodology. Data processing includes central harmonization of national datasets.
- A broad age range. It includes respondents between the ages of 18 and 80.
- A longitudinal design. It has a panel design, collecting information on the same persons at three-year intervals.
- A large sample size. It has an average of 9,000 respondents per country at Wave 1.
- A theory-driven and multidisciplinary questionnaire. It provides data for policy relevant research by demographers, economists, sociologists, social policy researchers, social psychologists and epidemiologists. The questionnaire is inspired by the theory of planned behavior.
- Possibility to combine the survey data with macro data provided by the GGP Contextual Database. This combination enables analyses of individuals and families in their cultural, economic, political, social and policy contexts.
Website of the Federal Institute for Population Research (BiB) - Pages on German GGSen
German country presentations at the GGP International Working Group Meetingsen
Technical papers - Online linken
Generations and Gender Survey. Dokumentation der Befragung von türkischen Migranten in Deutschlanden
Generations and Gender Survey. Documentation of the Second Wave of the Sub-Sample of Turkish Nationals Living in Germanyen
Transition to adulthood
Informal and formal care
Well-being and health
Method: Face-to-Face (personal interview) Technique: Computer-Assisted (CAPI)en
WAVE 1 ACTIONS
Dealing with nonresponse 1.1 Screening: No. 1.2 Refusal conversion: No specific training for this project only general training. 1.3 Incentives: Money.
Tracking of sampled units 2.1 Respondent contact information: Yes, addresses (not email-addresses). 2.2 Other contact information: 2.3 Cards: A "thank-you-letter" and birthday- and holiday cards were sent to all the respondents (planned frequency of contacts with the respondents between the two waves: 3). Furthermore, a brochure with results of Wave 1 was sent.
2.4 Additional surveys: No. 2.5 Administrative records: NA
WAVE 2 ACTIONS
Dealing with nonresponse 1.1 Screening: Yes.In addition to annual contacts, enquiries were also made to the residents’ registration offices with regard to those individuals where our letters were returned by the post office and where the ensuing postal enquiries did not provide a valid address. 1.2 Refusal conversion: DK 1.3 Incentives: The participants in the sub-sample received € 10 from the interviewer as an incentive. The participants were informed about this in the advance letter.
Tracking of sampled units 2.1 Respondent contact information: Yes, addresses (not email-addresses). 2.2 Other contact information: Yes. 2.3 Cards: Regular panel maintenance was carried out in the interim period by TNS Infratest. A "thank-you-letter" and birthday- and holiday cards were sent to all the respondents (planned frequency of contacts with the respondents between the two waves: 3). Furthermore, a brochure with results of Wave 1 was sent. 2.5 Administrative records: Yes (Einwohnermeldeamt) The survey was carried out in the period from mid-September 2009 to mid-February 2010. A fieldwork time of three months to mid-December 2009 had originally been planned. Because of the n=884 interviews that had been carried out by mid-December and of a relatively promising share among those who were not reached, TNS Infratest Sozialforschung decided to invest in additional, unplanned post-processing. This post-processing contributed important additional interviews, so that a total of n=1,033 questionnaires had been carried out by mid-February 2010.
WAVE 1 DATA COLLECTION
Interviewers 1.1 Total number of interviewers: 321. 1.2 Number of interviewers in the field: NA 1.3 Network organization: Centralized network with 6 regions being coordinated from TNS infratest. Local field coordinators were responsible for the fieldwork conducted within the region. 1.4 Working arrangement of interviewers: Part-time. 1.5 Payment of interviewers: Paid per interview (successful contact).
Interviewer training: 2.1 General interviewing: Not for this project but in general with training materials distributed by central network and training conducted locally by field coordinators. 2.2 Survey specific: Yes, by sending written interviewer instruction before fieldwork started. 2.3 Length: 1 hour. 2.4 Control of performance: For randomly selected 10% of the interviews postcards with some questions about fieldwork (e.g. length of interview) were sent to the respondent. In case of questionable interviews the whole work (100%) of the interviewer was controlled. 2.5 Interviewer survey: No.
Contact protocols 3.1 Advance letter: Yes, interviewers could make use of a general contact letter as soon as they contacted the household. 3.2 Cold contacts: Face-to-face. 3.3 Scheduling / scattering: Yes, interviewers were entitled to scatter contact attempts by making sure that more than 50% of contact attempts were in the afternoon of week-days or on week-ends. 3.4 Contact history: No. 3.5 Min number of contacts: 4. 2.6 Max number of contacts: No.
Questionnaire localization 4.1 Validation: No. 4.2 Pre-test: Yes, with 50 persons; normal survey rules using the CAPI software. Country-specific response catagories were used for questions on e.g., education and occupation. 6 additional country-specific questions were added as compare to the harmonised questionnaire. These questins concern family policy measures, fertility intentions and abortion. 4.3 Length of interview: Average length of interview: 73 minutes, with wide range (minimum 37 minutes, maximum 185 minutes) according to the composition of the household and the biography of the respondent.
WAVE 2 DATA COLLECTION
Interviewers 1.1 Total number of interviewers: 197. 1.2 Number of interviewers in the field: DK 1.3 Network organization: Centralized network coordinated from TNS infratest. 1.4 Working arrangement of interviewers: Interviewers deployment followed the principle that the same interviewers were deployed again for the follow-up questionnaire wherever this was possible and meaningful. 1.5 Payment of interviewers: DK
Interviewer training: 2.1 General interviewing: Yes 2.2 Survey specific: The interviewers were trained using written training material which contained both the objectives of the study, the nature of the selection process and information on individual difficult complexes of questions. 2.3 Length: DK 2.4 Control of performance: Routine postcard checks in 10% of all interviews conducted. As soon as abnormalities emerge, this triggers a check of all interviews conducted by the interviewer in question. Follow-up visits are also carried out by contact interviewers in ambiguous cases, in addition to postcard checks. 2.5 Interviewer survey: DK
Contact protocols 3.1 Advance letter: Prior to the questioning by the interviewers, the respondents received a centrally-dispatched letter informing them of the coming questionnaire. 3.2 Cold contacts: NO 3.3 Scheduling / scattering: DK 3.4 Contact history: DK 3.5 Min number of contacts: DK 2.6 Max number of contacts: DK
Questionnaire localization 4.1 Validation: No. 4.2 Pre-test: No. The computer-aided questionnaire program was taken over from the main GGS survey conducted on the German sample, which had been tested in detail by Infratest and the BIB prior to the field phase. 4.3 Length of interview: Average length of interview: 69 minutes , with wide range (minimum 29 minutes, maximum 142 minutes) according to the composition of the household and the biography of the respondent. As had already been the case in the first survey wave, interviews in which the Turkish translations were used, at an average of 88 minutes, were much longer than those which were conducted in German(65 minutes).
WAVE 1 SAMPLING PROCEDURE
Sampling frame 1.1 Type of frame: The frame is set on information of local immigration authorities and base data originate from the Federal Register of Foreigners. 1.2 Frame coverage: NA 1.3 Frame size: NA 1.4 Level of units available: NA
Sampling method 2.1 Sampling method type: Three-tier procedure was selected in order to obtain a random sample: 1) local immigration authorities; information at the level of the districts, used in order to estimate the number of respondents at municipality level; basis for this was the share of the total population in the municipality as against the total population in the district (base data originate from the Federal Register of Foreigners (as per: 30 September 2005)); 2) each municipality in Germany was allocated a significance weight for the sampling at municipality level; sample selection of the municipalities was carried out with significance weight; 3) in the residents registration offices of the municipalities which were drawn, a random selection of respondents took place; municipalities in which insufficient number or no Turkish nationals live were removed from the sample. 2.2 Sampling stage definition
- PSU: Sample points / muncipalities.
- SSU: Adresses per point.
- TSU: NA 2.3 Sampling stage size
- PSU: 400 sample points (93 muncipalities).
- SSU: 30 adresses per point (=gross estimate 12,000).
- TSU: NA 2.4 Unit selection: NA 2.5 Final stage unit selection: NA 2.6 Within Household unit selection: NA 2.7 Stratification: NA 2.8 Sample size
- Starting size sample: 11,876.
- Aimed total size at Wave 1: 4,045.
- Aimed total size at Wave 3: NA 2.9 Estimated Non-response
- Initial non-response: 7,681.
- Yearly attrition: From wave 1 to wave 2 around 3/4 (75%).
- Non response measures: None.
- Within household non-responses measures: NA
WAVE 2 SAMPLING PROCEDURE: same population than Wave 1 who had agreed to be re-contacted, i.e. n=2,602 respondents.en
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