True {{country}} RDD Sample for National Representative Data
Our {{country}} RDD sample is the backbone of global telephone surveys, opinion polling and social research. The industry Gold Standard RDD Sample is used by over 350 Think Tanks, government agencies, fieldwork agencies and corporate clients.
RDD Portfolio
Going beyond random sampling for {{country}}
Our random sampling is backed by a transparent methodology and enhanced filtering for fieldwork efficiency.
Mobile RDD Sample
Expand your reach with an updated mobile RDD sample including provider information covering every single phone number in {{country}}
Dual-Frame RDD sample for {{country}}
The mixed Dual-Frame approach mode combines both landline and mobile and is designed to reduce bias data, increase the response rate and reach a larger audience. In some countries such as {{country}}, older respondents or females can be reached easier this way.
Landline RDD Sample
Sample Solutions provides a fully geo-coded landline RDD sample with removed business listings to the market research industry. Keep in mind that the landline share has been declining in {{country}}.
RDD records delivered
Countries Covered
RDD Projects annually
Full Coverage
Coverage
Our {{country}} RDD sample connects with {{country_reach}} individuals for your research.
{{country_situation}}
Sample Solutions for methodological sampling
The RDD sample {{country}} provided comes with full country information such as frame coverage, potential bias or mobile & landline access data.
Fast Turnaround Time
90% of our RDD orders are delivered within 24 hours.
Open Methodology
No blackbox – the sample is fully documented.
Full Sampling Info
Frame sizes, coverage data, population data is available.
Full coverage for {{country}}
Our {{country}} RDD sample provides access to every mobile respondent in the country.
Close to full coverage
Most countries have close to full phone coverage.
Full Probability
We do not work with lists – it is true probability sampling.
Testimonials
Sample some of our Testimonials
Global Resources, SSRS
D3 Systems, Inc.
Verian
DT&P international
Past Projects
Sampling coverage when other modes fail.
Some of our previous projects included surveys in Crimea, Greenland, data collection in Syria as well as Afghanistan. We can sample when other data collection modes are close to impossible. With all these countries covered, you understand why sampling for {{country}} is not an issue for us.
ESRA Presentation
Big Data Matching
Using Big Data applications to Decrease The Coverage Error and Sample Bias in European Establishment Surveys
AAPOR Poster
IVR Phone Surveys
Screened mobile sample for IVR surveys in developing countries 2020 Paper – The case of Sri Lanka and Ecuador
WAPOR Presentation
From CAPI to CATI
By looking at Greece and comparing a Face-2-Face and CATI study using our RDD Dual-Frame RDD Sample
Recognized by global standards
A yearly re-certification for ISO 27001, ISO 20252 in combination with a dedicated policy document, sampling methodologies and quality structure ensures enterprise level sampling quality.
- ISO 27001
- ISO 20252
- GDPR Ready
RDD Sample Process
Our {{country}} RDD Sample Generation
Over the years, we built a comprehensive RDD frame for {{country}} to fit various needs for conducting international projects and we have worked hard to earn a trusted network of customers all based on a solid methodology.
The sampling frame for {{country}} consists of every single possible number combination.
The raw RDD sample is created based on clients’ specifications (NatRep or customized)
All numbers are screened and the disconnected numbers are removed from the sample.
Post-processing involves adding necessary strata inspection and quality checks.
Frequently Asked Questions
Got any questions about sampling for {{country}} using RDD? We’re here to help
As data controller you can provide them with a link to our data subject request and we can pick it up from there.
Our database is global in terms of coverage. However through Western Europe and North America we have the best in-country coverage and depth of data.
We generally have the owner or Managing Director as contact. If needed we can add other direct contact people that are relevant for your research.
Turnaround time is usually 2-3 working days.
No problem, take a glance at our data enrichment options which can help you to enrich missing data points.