Survey methods consulting
Our consulting services at a glance
Questionnaire design
We consult on questionnaire design, pretesting methods, the development and formulation of questions and items, as well as the reuse of existing questions and items. We also advise on comparability and translation. We offer support for surveys in both national and international contexts, and across various survey modes.
Survey design
We consult on survey design, the implementation of surveys, and the documentation of national and international surveys. In addition, we advise on the collection of supplementary data.
Survey statistics and sampling design
We consult on the planning of your sampling design, including determining the appropriate sample size. We also offer consulting services for non-random or deterministic sampling designs.
Weighting and missing data
We consult on weighting, imputation of missing data, and nonresponse analysis.
Harmonization
We consult on assessing and improving the comparability of survey data. This includes comparability across countries and languages, subpopulations, time periods, different question formulations and response scales, as well as across survey modes.
Cognitive pretesting
Empirically assess the comprehensibility and validity of questions in-depth.
Sampling
We draw telephone samples and complex samples for you.
Weighting and analysis of complex data
We perform weighting, imputation, or nonresponse bias analyses for you.
GESIS survey guides
Practical guidelines on survey methodology topics.
SQP - Survey quality predictor
Estimate the measurement quality of questions using meta-analysis.
Meet the Experts - Season 1: Survey Methodology
Recorded lectures from our "Meet the Experts" series.
KODAQS Data Quality Toolbox
Tutorials and practical coding examples of key indicators to evaluate and improve data quality across various data types.
KODAQS Data Quality Academy
Comprehensive learning resources on data quality and the quality-oriented use of social science data.
QuestionLink
Harmonization of questions for selected constructs with recoding scripts and an R package for your own projects.
