TwinLife Documentation TwinLife Documentation TwinLife Documentation
  • Overview and getting started
    • Overview (Table of content)
    • Getting started
    • Data access & documentation
  • 1. About TwinLife
    • 1.1 Basic Concept
    • 1.2 Study Design and Sample Structure
    • 1.3 Where and how to get the Data
  • 2. Documentation of the study
    • 2.1 Data Documentation Website and ShortGuide
    • 2.2 Documentation within the Data Sets
    • 2.3 paneldata.org
    • 2.4 Codebooks
    • 2.5 Technical Report Series, Methodology Reports, and Working Paper Series
  • 3. Data Structure
    • 3.1 Data Formats and Data Files
    • 3.2 Person Types
    • 3.3 System of Variable Names
    • 3.4 ID Variables, Wave and Data Collection Identifiers
    • 3.5 Missing Types and their Meanings
    • 3.6 Delivered Para Data
    • 3.7 Weights
    • 3.8 Pecularities of Data
    • 3.9 How to match the Data Files
    • 3.10 Matching information from the parent-about-child questionnaire to the child's data set
  • 4. Check Routines
    • 4.1 Check routines
    • 4.2 Data Adjustment
  • 5. Generated Variables and Scales
    • 5.1 Generated Variables
    • 5.2 Generated Scales
  • 6. Publications and Citation
    • 6.1 Publications and Literature Database
    • 6.2 Citation
  • 7. Useful Links
  • Terms and Privacy
  • Downloads
  • Overview and getting started
    • Overview (Table of content)
    • Getting started
    • Data access & documentation
  • 1. About TwinLife
    • 1.1 Basic Concept
    • 1.2 Study Design and Sample Structure
    • 1.3 Where and how to get the Data
  • 2. Documentation of the study
    • 2.1 Data Documentation Website and ShortGuide
    • 2.2 Documentation within the Data Sets
    • 2.3 paneldata.org
    • 2.4 Codebooks
    • 2.5 Technical Report Series, Methodology Reports, and Working Paper Series
  • 3. Data Structure
    • 3.1 Data Formats and Data Files
    • 3.2 Person Types
    • 3.3 System of Variable Names
    • 3.4 ID Variables, Wave and Data Collection Identifiers
    • 3.5 Missing Types and their Meanings
    • 3.6 Delivered Para Data
    • 3.7 Weights
    • 3.8 Pecularities of Data
    • 3.9 How to match the Data Files
    • 3.10 Matching information from the parent-about-child questionnaire to the child's data set
  • 4. Check Routines
    • 4.1 Check routines
    • 4.2 Data Adjustment
  • 5. Generated Variables and Scales
    • 5.1 Generated Variables
    • 5.2 Generated Scales
  • 6. Publications and Citation
    • 6.1 Publications and Literature Database
    • 6.2 Citation
  • 7. Useful Links

1. About TwinLife

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  • TwinLife is a longitudinal, interdisciplinary twin family study on the development of social inequality. It takes a genetically informed life course perspective on social inequalities that acknowledges the importance of both genetic and social influences, social structure, and individual agency. The combination of genetically sensitive data, the survey design, multiple indicators of social success or failure, and a variety of environmental variables enables a fine-grained investigation of the complex interplay between nature and nurture concerning social inequality.

     

    1.1 Basic Concept

    1.2 Study Design and Sample Structure

    1.3 Where and how to get the Data

     

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