Main study 2009/10: Last year group which is not affected by the reform; study number A70
1 Master Sample: Grade 12 students in Thuringia
1.1 Target persons: Students
- Sample: Access to the population of all Grade 12 students in Thuringia was gained via simple random sampling of 32 grammar schools. All students in Grade 12 at these schools were invited to participate in this survey. The random sampling of grammar schools considered an explicit stratification. The first stratum comprised all grammar schools focusing on natural sciences, the second stratum contained all remaining grammar schools in Thuringia. Within these two strata a simple random sampling was performed.
1.2 Context persons: Parents
- Definition: All parents of selected students were invited to participate.
1.3 Context persons: Teachers
- Definition: All Grade 12 teachers at selected schools teaching mathematics, German, English, biology, chemistry, and physics received a questionnaire.
Number of cases:
n (approx.)
|
explanation |
1,372 |
1.1 students |
575 |
1.2 parents |
417 |
1.3 teachers |
Field time: January 18, 2010 - January 29, 2010
Data collection: IEA DPC – Data Processing and Research Center of the IEA, Hamburg
Mode of survey: Written questionnaire and tests (PAPI)
Main study 2010/11: First reformed year group; study number A71
1 Master Sample: Grade 12 students in Thuringia
1.1 Target persons: Students
- Sample: Access to the population of all Grade 12 students at grammar schools in Thuringia during school year 2010/2011 was gained by random sampling of grammar schools used in the first survey. All students in Grade 12 were invited to participate in the survey.
1.2 Context persons: Parents
- Definition: All parents of selected students were invited to participate.
1.3. Context persons: Teachers
- Definition: All Grade 12 teachers at selected schools teaching mathematics, German, English, biology, chemistry, and physics received a questionnaire.
Number of cases:
n (approx.)
|
explanation |
900 |
1.1 students |
419 |
1.2 parents |
310 |
1.3 teachers |
Field time: January 17, 2011 - January 28, 2011
Data collection: IEA DPC - IEA Data Processing and Research Center, Hamburg
Mode of survey: Written questionnaire and tests (PAPI)