Social surveys 12 Methodology 10 Research 6 Social sciences 6 Social surveys-Methodology 5 Internet surveys 4 Social surveys--Methodology 2 Statistical methods 2 Surveys 2 Correspondence analysis (Statistics) 1 Empirische Sozialforschung 1 Estimation theory 1 Methodologie 1 Missing observations-Statistics 1 Online data processing 1 Questionnaires 1 Research-Methodology 1 Sampling (Statistics) 1 Scientific surveys 1 Social Science 1 Social Sciences Research Methodology 1 Social Surveys Methodology 1 Social science-Research-Statistical methods 1 Social sciences--Research 1 Social sciences--Research--Methodology 1 Social sciences-Research Methodology 1 Social sciences-Statistics-Methodology 1 Social surveys-Research 1 Statistics 1 Surveys-Methodology 1