22.01.2025
How to conduct a quantitative survey and a qualitative survey?
Key information:
- Quantitative and qualitative research are key research methods in marketing.
- Planning for the study includes determining the objectives, methods and target audience.
- The research implementation process consists of data collection, analysis and interpretation.
- Sampling is important to obtain representative results.
- Research tools, such as surveys and interviews, support the research process.
- Data analysis varies depending on the research method.
- Avoiding errors in research is key to obtaining reliable results.
- The choice of an appropriate research method depends on the objectives of the study.
Details below!
What are quantitative and qualitative research?
Quantitative research focuses on collecting numerical data, which enables statistical analysis. This makes it easy to identify trends and patterns in customer behavior. This research usually involves the use of tools such as surveys, which can be conducted online or offline. A key element of quantitative research is the ability to generalize the results to a broader population, making it extremely valuable for strategic decision-making.
Qualitative research, on the other hand, focuses on understanding the context and deeper motivations behind the customer behavior. Methods such as one-on-one interviews and focus groups allow exploration of topics in greater detail. Qualitative research provides rich narrative data that can reveal nuances and subtleties in consumer attitudes and preferences. Ultimately, a combination of both methods - quantitative and qualitative - allows for a more complete picture of the issue under study.

How to plan the study?
Research planning is a key step that affects the quality of the results obtained. An important element is to clearly define the purpose of the research. It is important to think about what questions we want to ask and what information we need to make a decision. Next, the choice of appropriate research methods should be tailored to the objectives - whether quantitative techniques that provide hard statistical data or qualitative techniques that provide a deeper understanding of the context are better.
Research implementation process
The implementation of the study consists of several stages: data collection, analysis and interpretation of the results. Data collection can be done through a variety of tools - online surveys are a popular choice for quantitative research due to their efficiency and ease of reaching large numbers of respondents. For qualitative research, interviews or focus groups require a more personal approach and interview skills.
Data collection is followed by data analysis. For quantitative research, the analysis is mainly based on descriptive and inferential statistics. This allows identification of trends and relationships between variables through statistical tests such as ANOVA or linear regression. In qualitative analysis, a key step is coding the data and identifying major themes and patterns. This analysis requires interpretive skills and the ability to spot subtle differences in participants' responses.

Sampling in quantitative and qualitative research
Sampling is crucial to the reliability of results in both quantitative and qualitative research. For quantitative research, it is important to use methods of random selection of participants, which increases the representativeness of the sample. One can also consider stratified selection, where the sample is divided into subgroups (e.g., by age or gender), which allows for more accurate analysis of differences between groups.
In qualitative research, sampling can be more flexible; so called purposive sampling is often used, where participants are selected based on specific criteria related to the research topic. However, it is important to ensure a diversity of participants in order to get a more complete picture of the issue under study.
Tools to support quantitative and qualitative research
Choosing the right research tools is crucial to the success of the research process. For quantitative surveys, popular tools are online survey creation platforms (e.g., Google Forms, SurveyMonkey), which allow rapid collection of responses from large numbers of respondents and automatic analysis of results.
In qualitative research, tools to support interviews and focus groups are important - these can include audio or video recordings and interview notes. Qualitative data analysis software (such as NVivo) helps to code and organize the information collected.

Data analysis in quantitative and qualitative research
Data analysis is a key step in the research process and varies depending on the method used. For quantitative research, the analysis is mainly based on descriptive and inferential statistics. This makes it possible to identify trends and relationships between variables through statistical tests such as ANOVA or linear regression.
In qualitative analysis, a key element is data coding - a process that involves assigning thematic labels to text passages corresponding to specific categories or thought patterns. This allows the main themes and motivations of respondents to be extracted, allowing for a better understanding of their attitudes and behavior.
The most common mistakes in conducting surveys and how to avoid them
Many pitfalls can be encountered when conducting tests, which can negatively affect the quality of the results. Improper sampling can lead to erroneous generalizations; it is therefore important to ensure that the sample is representative in quantitative research and diverse in the case of qualitative research.
Another common mistake is vague questions asked to respondents - these should be worded precisely to avoid misunderstandings when analyzing the results. In addition, a lack of systematic analysis of the collected data can lead to the omission of important information; therefore, it is worth taking the time to interpret the results carefully.
How to choose the right research method?
The choice of an appropriate research method should be tailored to the objectives and characteristics of the issue under study. The key step is to determine the research question - whether you want to study customer preferences (quantitative research) or perhaps explore their motivations (qualitative research). Then consider the availability of tools and resources needed to conduct the research.
A well-considered choice of methodologies not only increases the chances of obtaining valuable results, but also allows to better understand the needs of customers and adapt the marketing strategy to their expectations.
Maciej Zioło
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