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 8 of 23
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Sample types: common errors that can compromise your research
Defining sample types and knowing the most common errors is one of the most important steps in planning any market research. After all, the quality of the data depends directly on who participates in the study. When sample selection is not done properly, the results can show distortions and compromise decisions…
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How many respondents does your survey need? Learn how to calculate
Defining how many respondents a survey needs is one of the most important steps to ensure reliable results. After all, it's not enough to collect many responses. It is essential that the sample is sufficient to represent the analyzed public. When the number of participants is too small, the results may not reflect reality. On the other hand, a larger sample...
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How to find qualified participants for market research?
Finding qualified participants for market research is one of the factors that most influence the quality of a study's results. After all, it's not enough to collect many responses. First and foremost, it's essential to ensure that the people participating in the research truly represent the audience the company wants to understand. For this reason, research institutes,...
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Target audience research: what it is and why it is essential for your business
Have you ever noticed how some brands seem to speak exactly to the right people, while others invest time and budget in campaigns that fail to connect? Target audience research allows companies to move beyond assumptions and make evidence-based decisions. By understanding who the people with the greatest potential for relationship are…
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Respondents for electoral surveys
Respondents for electoral surveys underpin the entire structure of a vote intention poll. Before analyzing percentages, projections, or stimulated scenarios, it is crucial to understand who responded to the survey and, especially, how these individuals were selected. Without a technical and well-structured process, the study loses consistency. Therefore, institutes that prioritize methodology,…
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What is the ideal sample size for digital surveys?
When a company decides to conduct a digital survey, it seeks representative and reliable answers about the behavior or opinion of its target audience. For this, a crucial step is to determine the ideal sample size: that is, how many people should respond so that the results reflect reality with a good level of confidence and acceptable error...
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Difference between public opinion research and market research
Although the terms are often used interchangeably, public opinion research and market research start from distinct premises. Even though they share similar methodological instruments, such as structured questionnaires and statistical analysis, they answer different questions and, consequently, require specific sample designs. Therefore, before starting any study, it is essential to understand what problem needs to be solved…
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Most used sample types in market research
The most used sample types in market research are the starting point for any consistent study. When a company decides to invest in market research, it doesn't just buy data; it seeks security to make decisions. However, even before drafting the questionnaire, there is a definition that can determine the success or...
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Panel methodology in electoral research: how it works and why to use it
Panel methodology in electoral research is becoming increasingly essential in a dynamic electoral scenario, where merely measuring voting intention is no longer enough. Campaigns change their tone, debates generate immediate impact, social media accelerates narratives, and voters can reconsider their position in just a few days. It is exactly…
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How to structure a respondent panel from scratch
Creating an effective respondent panel from scratch requires planning, strategy, and clarity about research objectives. However, you should not see it merely as a contact database. You are building a structured data asset. When you develop this panel strategically, you reduce collection time, expand control over the…
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How real-time data collection increases sampling efficiency
The evolution of digital surveys has transformed not only how data is collected, but primarily how the sample is built and managed throughout the field. In this scenario, real-time data collection has ceased to be a technological differentiator and has become a central element to increase sampling efficiency. Currently,…
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Electoral data collection: how to ensure quality and security
Online electoral data collection has gained prominence in recent years because it accompanies the digital transformation of society and the need for faster decisions in campaigns and political analyses. Currently, institutes, campaigns, and organizations use the digital environment to accelerate information collection and, at the same time, expand the capacity to analyze public opinion…