Innovative Approaches in B2C Lifestyle Surveys: The Role of RDD

B2C (Business-to-Consumer) lifestyle surveys provide valuable insights into consumer behaviors, preferences, and trends and knowing consumer lifestyles is the key for businesses to stay competitive. However, the methods used to gather this data must evolve to keep up with new technology and changing consumer dynamics. One such method that has stood the test of time in CATI fieldwork and continues to innovate is Random Digit Dialing (RDD).

Understanding RDD

RDD stands for Random Digit Dialing, which refers to phone numbers that have been randomly generated. RDD is a probabilistic method of sampling and throughout history has always been used in representative studies, as it’s a method that reduces biases and ensures a reliable and representative data collection.

Throughout our 20 years of experience as a sample provider for telephone surveys, RDD has always been one of our core products. Sample Solutions’ rigorous method consists of randomly generating telephone numbers, based on the country’s numbering plan and official telecommunication documents, which at a later stage get validated, to screen out non-working numbers. With over 350 projects on an annual level and 190 countries covered, we believe we have the experience to say that this method has proven itself as a vital tool for nationally representative surveys, and data collection tools in extreme situations such as pandemics or areas of conflict.

Even though RDD has numerous advantages, it also comes with obstacles, like the rise in mobile phone usage and the decrease in landline usage that can be seen during telephone interview fieldwork. To address these issues, we promote and encourage our clients to use dual-frame RDD methods that include both landline and mobile numbers, ensuring comprehensive coverage.

B2C Lifestyle vs RDD

As demonstrated earlier, RDD has its constraints, particularly when a project necessitates meeting certain age groups or gender criteria. In such scenarios, clients tend to prefer B2C Lifestyle data, which is more refined and focused, making it simpler to meet quotas and achieve goals. However, this approach can lead to data bias and potentially undermine the project’s outcomes.

Innovative approaches in B2C surveys

This being said, we will now go over several approaches that would allow researchers to keep the representativity of the RDD sample and avoid the bias that can be caused by using a B2C sample only, while simultaneously, obtaining the same results that can be obtained with Lifestyle data in market research studies.

  • Reaching Diverse Demographics One of the significant advantages of RDD is its ability to reach a diverse range of demographics, including those who may not be accessible through other means example phone numbers from a directory. This inclusivity is crucial in B2C lifestyle surveys, where understanding the full spectrum of consumer behavior is essential.
  • Enhancing Response Rates Innovative survey designs, such as mixed-mode approaches that combine phone surveys with online questionnaires, have improved response rates. By offering multiple channels for participation, researchers can engage respondents in ways that are most convenient for them, increasing overall survey participation. The amount of survey invitations also plays a vital role.
  • Leveraging Big Data and Analytics The integration of big data and advanced analytics with RDD has opened new ways for deeper insights. By combining RDD data with other data sources, such as social media and purchase history, businesses can gain a more comprehensive understanding of consumer lifestyles.

Case Studies

In Brazil, we undertook a substantial lifestyle project focusing on gender violence, utilizing a Random Digit Dialing (RDD) sample rather than the traditional Business-to-Consumer (B2C) lifestyle approach. This study aimed to explore the support networks and institutional resources available to women who are victims of domestic violence. The objective was to conduct 1,200 interviews, 800 among women and 400 among men, to ensure a comprehensive understanding of public opinion. We adopted a Dual-Frame RDD sampling method, stratified by mobile provider and the 27 Federal Units in Brazil, to achieve this target.

The collected data were eventually weighted to align with specific quotas, allowing for accurate representation and comparison with previous years’ face-to-face (F2F) methodology. The findings demonstrated a significant correlation with past results, highlighting the reliability and validity of the RDD approach. Detailed insights and outcomes from this study were presented in our paper at the ESRA 2023 conference.

In addition to this project, we are engaged in several ongoing studies. For instance, the purpose of the research project Nicocities which took place in Italy has been to examine the behaviors and attitudes of smokers who participated in the research study over the past three years. Another notable project focuses on understanding the perspectives of parents in Ukraine who were part of the experiment. These initiatives reflect our commitment to leveraging innovative research and analysis methodologies to address pressing social issues across different regions and demographics.

Looking forward

Looking ahead, the role of RDD in B2C lifestyle surveys is set to evolve further. Emerging technologies, such as artificial intelligence and machine learning, will enhance the precision and efficiency of RDD. These innovations will enable even more targeted and insightful surveys, helping businesses stay ahead in the competitive market landscape and allowing social researchers to gain insight into general public opinion and behaviours.

Conclusion

B2C lifestyle surveys provide valuable insights into consumer behaviors, preferences, and trends, essential for businesses to stay competitive. To gather this data effectively, methods must evolve alongside new technologies and changing consumer dynamics. A time-tested method is Random Digit Dialing (RDD), which randomly generates phone numbers to create a probabilistic sample, ensuring reliable and representative data collection. As a leading sample provider with over 20 years of experience, Sample Solutions has perfected RDD, validating numbers based on official telecommunication documents. Despite the challenges posed by the rise in mobile phone usage, we advocate for dual-frame RDD methods to maintain comprehensive coverage. RDD’s inclusivity is crucial in research surveys, market research society studies, and market and social research, providing a representative sample that meets the highest standards of data collection and sampling procedures. In conclusion, RDD remains a vital tool in B2C lifestyle surveys, continually adapting to meet the demands of modern market research. While the randomness of RDD may lack detailed initial information about individual users, the methodology ensures broad and representative sampling. This randomness requires the results to be weighted appropriately, but the data obtained is valid and reflects a comprehensive picture of consumer behavior.

Marija Nasevska Stankovska is a seasoned professional with 8 years of experience in sampling and survey research at Sample Solutions. With a master's degree in Communication and Research and fluency in Italian and Spanish, Marija specializes in serving clients from these respective countries.

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