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SOEP-IS 2024 – DIPS3_CALLS: Short Surveys After Calls (DIPS Project)

SOEP-IS 2024 – DIPS3_DAILY: Daily Diaries and Smartphone Sensing on the Daily Level (DIPS Project)

SOEP-IS 2024 – DIPS3_HOURLY: Smartphone Sensing on the Hourly Level (DIPS Project)

SOEP-Core v39 – CHILDL (Formerly BIOAGEL): Content Description of the Dataset with Respondents, Topics, and Development

SOEP-Core v40.1 – CHILDL: Parent-Provided Information on Children (All Variables and Their Related Questions)

SOEP-Core v40.1 – INSTRUMENTATION: Information on the Utilization of Questionnaires

Interaction effects on health between perceived neighbourhood social cohesion and demographic changes: a longitudinal study

Background Perceived neighbourhood social cohesion is associated with better health in particular as a conveyor of social norms. Small-area demographic changes affect social structures related to health and so, could modify neighbourhood norms, lead to loneliness, or increased stress. Thus, demographic changes and perceived neighbourhood social cohesion are likely to interact in their relation to health. ...

Gratitude in fundraising: do ‘thank you in advance’ and handwritten thank you notes impact fundraising success?

While almost all charities rely on a set of donor appreciation strategies, their effectiveness for the success of fundraising campaigns is underresearched. Through two preregistered field studies conducted in collaboration with a leading German opera house (N = 10,000), we explore the significance of expressing gratitude and examine two different approaches to doing so. Our first study investigates ...

An Updated Polygenic Index Repository: Expanded Phenotypes, New Cohorts, and Improved Causal Inference

Polygenic indexes (PGIs) — DNA-based predictors of individual phenotypes — have become essential tools across biomedical and social sciences. We introduce Version 2 of the Polygenic Index Repository, which expands phenotype coverage from 47 to 61, increases the number of participating datasets from 11 to 20, and adopts a more consistent and improved methodology for PGI construction. For 16 phenotypes, ...

Is Germany Missing Out or Catching Up? Gender Inequality and the German Skilled Immigration Act

Germany?s Skilled Worker Immigration Act addresses labor shortages by targeting non-EU migrants. The literature emphasizes that such policies often overlook gender-specific challenges, reinforcing inequalities. Using the German Socio-Economic Panel (2013?2022), we reveal significant disadvantages for non-EU migrant women. We find that deskilling and the sexual division of paid and unpaid working time ...