Background Variables 
Health Religion and Ethnicity Personality Social Integration and Leisure Family and Household Work and Schooling Politics and Values Solidarity in Health Care Multiculturalism Namegenerator (social networks) Trust Operant Motive Test Action Control Scale (ACS-90) Social Contacts Values Questionnaire Help Resources Relationship satisfaction and attitudes The function of autobiographical memory Retrospective Childhood Volunteering 
Emotional Expressiveness Social-Relational Cluster (Personality) Role of the Government Ecological Footprint Relationship Diary Relationship Context Scale Mini-K Short Form Dutch Parliamentary Election Studies 2012 Helping Behavior Social Exclusion - SCP What drives or inhibits the development of interethnic contacts? Method Effects of Language in a Survey (shortened) Sense of Coherence Freedom and Liberation Day in the Netherlands Professional respondents in panels About care for the elderly Initial Questionnaire 