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 7 of 23
- Online Panel

Is Painel TAP reliable? Those who use it approve!
It is likely that, when looking for respondents for your survey, you came across our panel. And then the question arises: Is Painel TAP reliable? We understand that this is an important decision. Therefore, we have gathered here the main evidence that shows, in practice, why you can trust us to…
- Online Panel

What are the best respondent panels in Brazil?
There comes a time when many researchers get tired of manually searching for the audience for their surveys. In addition to consuming time, this process compromises the project's pace and the quality of deliverables. It is precisely at this point that the question arises: what are the best respondent panels in Brazil? In this content, you will understand…
- Surveys

E-commerce market research: what you need to know
Opening or managing an e-commerce business without a deep understanding of the market is like navigating without a map. While many entrepreneurs rely solely on intuition or apparent trends, data-driven decisions are what truly sustain long-term growth. Therefore, e-commerce market research becomes an essential tool for any...
- Surveys

How to use a sampling calculator step by step
Defining the correct sample size is one of the most important steps in any research. When you interview too many people, you waste time and resources. On the other hand, when you interview too few people, you run the risk of obtaining unreliable results. This is precisely where the sampling calculator comes in. In this article, you will understand…
- Surveys

What is the difference between spontaneous and stimulated research?
Understanding how different types of questions work in a survey is essential for correctly interpreting its results. Among the most important concepts in this context are spontaneous research and stimulated research. Although both are widely used in public opinion studies and electoral surveys, they have distinct objectives, methodologies, and interpretations. In this article,…
- Surveys

Sampling error vs. margin of error: what's the difference?
When companies, governments, or institutions release survey results, two terms frequently appear: sampling error and margin of error. Although many people use these concepts interchangeably, they do not mean exactly the same thing. Understanding this difference is essential for accurately interpreting data and making more confident decisions. In this article, you will...
- Surveys

How much does market research cost in 2026? Understand prices and factors
One of the first questions companies ask before commissioning a study is direct: how much does market research cost? The answer, however, is not simple. Values vary significantly according to the type of research, sample size, target audience, and required level of analysis. Still, understanding price ranges and…
- Surveys

Public Opinion Research: How to Interpret the Results
Public opinion research is one of the main tools used to understand what the population thinks about political, social, and economic issues. However, to correctly interpret the results, it is not enough to just look at percentages and graphs. It is necessary to analyze the context, methodology, and limitations of the data. Otherwise, it becomes easy to reach…
- Surveys

Criteria for defining the target audience of a survey
Defining the target audience of a survey goes far beyond an initial step; it is the foundation that supports the entire quality of the study. When the right people participate, insights become more relevant, consistent, and applicable. Conversely, an inadequate definition compromises the results from the outset. Therefore, establishing clear criteria ceases to be…
- Surveys

Why the type of sample can change the result of a survey
Market research plays a fundamental role in understanding people's behavior, consumption preferences, and perceptions of products, services, or brands. Companies, institutions, and researchers use this information to guide strategic decisions and reduce uncertainties. However, for a survey to produce reliable results, it's not enough to just formulate good questions…
- Surveys

How to analyze consumer behavior with market research
Understanding consumer behavior is one of the most important factors for companies that want to grow strategically. After all, knowing the public's preferences, habits, and perceptions allows for more assertive decisions in marketing, products, and brand positioning. In this context, market research becomes an essential tool. Through it, companies...
- Surveys

How public opinion polls help understand the voter
Understanding voter behavior is one of the great challenges during election periods. After all, voting decisions involve rational, emotional, and social factors that are not always immediately visible. In this context, public opinion polls play a fundamental role. Through structured methodologies, they allow identifying trends, understanding perceptions, and…