How to do better research: sample, questionnaire, and field
Articles on sampling, respondent panels, question types, and data analysis — written by those who run fieldwork every day.
274 articles · page 9 of 23
- Surveys
Difference between online communities and respondent panels
Digital transformation has expanded the ways of listening to consumers, citizens, and specific audiences. In this scenario, two methodologies have gained prominence in market and opinion research: online communities and respondent panels. Although both involve the recurring participation of people in studies, their objectives, formats, and applications are different. Therefore, understanding this distinction is…
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How a respondent panel for opinion research works
The respondent panel for opinion research has always played a fundamental role in understanding societal, consumer, and voter behavior. However, as the digital environment evolved and decision-making speed increased, traditional methods began to show limitations related to cost, time, and reach. In this scenario, the…
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Sampling Calculator: Common Errors in Use
Defining the sample size is one of the most important steps in any research. After all, strategic decisions depend directly on the quality of the data collected. In this context, the sampling calculator emerges as an essential tool, as it allows determining how many responses are needed to achieve reliable results without incurring unnecessary costs. Throughout this article, you will…
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How to combine different sample types in the same study
Defining the sample is one of the most crucial steps in any research. However, as studies become more complex and deadlines shorter, using only one type of sampling does not always meet the project's objectives. Therefore, combining different sample types in the same study has become a…
- Surveys
How the respondent panel indicates leadership in electoral polls
Electoral polls play a fundamental role in understanding the electorate's preferences at a given moment before the election. More than just indicating numbers, they guide interpretations, influence strategic decisions, and help interpret the constantly changing political landscape. Therefore, the way leadership is identified makes all the difference in the...
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Random and Representative Sampling: When and How to Use Each Approach
In any research, whether opinion, market, or behavioral, the choice of sample defines the quality of the data. In this scenario, researchers often confuse two concepts: representative sampling and random sampling. Despite the relationship between them, each approach plays a distinct role in the methodological design. Therefore, understanding the particularities of each model becomes essential…
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Respondent panel for NPS surveys
A respondent panel for NPS surveys is a central element for companies seeking to strategically measure customer satisfaction and loyalty. In an increasingly competitive landscape, the Net Promoter Score (NPS) has consolidated itself as one of the most used methodologies to evaluate consumer experience. However, for…
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What are tracking survey respondents and why do they matter
Tracking survey respondents are the foundation for continuous analysis and more assertive strategic decisions in an increasingly dynamic market. As brands need to monitor changes in behavior, perception, and purchase intent over time, relying on qualified and consistent participants ceases to be an operational detail and becomes…
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What is self-selection sampling?
Self-selection sampling is a non-probability technique widely used in opinion polls, market research, and online surveys. In this model, individuals choose to participate in the survey, usually motivated by personal interest, affinity with the topic, or availability at the time of data collection. Thus, the decision to join the sample comes from the respondent, not the researcher.
- Surveys
Why do we use samples in research?
Understanding why we use samples in research is fundamental to comprehending how reliable data is produced and used in decision-making. In market, electoral, and sociodemographic research, analyzing an entire population is rarely feasible. Therefore, the use of samples allows for transforming complex universes into possible analyses, maintaining methodological rigor, statistical precision, and…
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How to ensure representativeness in public opinion polls
During election periods, public opinion polls become even more sensitive, dynamic, and strategic. Rapid changes in the political landscape, last-minute events, and the impact of campaigns make representativeness in surveys a decisive factor for data credibility. In this context, ensuring that the sample accurately reflects the…
- Surveys
How a respondent panel works for retail
Retail is undergoing constant transformation. With more informed, demanding, and connected consumers, understanding behaviors, preferences, and expectations has ceased to be a differentiator and has become a necessity. In this scenario, the retail respondent panel consolidates itself as one of the most efficient tools for generating market intelligence and supporting decisions…