Research Design in Data Science

Research design is a critical foundation for conducting robust, reproducible, and impactful investigations in data science. It provides the structural blueprint for how data is collected, analyzed, and interpreted to answer scientific or business-driven questions. While data science often draws from established general frameworks—such as experimental, quasi-experimental, or observational designs—it also demands a unique integration of computational tools, statistical reasoning, and domain-specific methodologies.

Unlike traditional research domains, data science requires not only a strong understanding of theoretical constructs but also pragmatic decisions about the methods and technologies used at each stage of the research process. This includes determining the structure and source of datasets, selecting or designing digital data collection tools, and implementing quality control mechanisms to ensure data integrity—especially when the research is constructive in nature, such as developing predictive models, intelligent systems, or automated pipelines.

Moreover, data science projects often involve heterogeneous and high-dimensional data, collected from dynamic, real-world environments. Thus, a thoughtful research design must consider additional components such as data preprocessing protocols, feature engineering strategies, algorithm selection, evaluation metrics, and ethical considerations surrounding privacy, fairness, and transparency.

Through the course of your studies you will explore how research design principles are adapted and extended for data science applications. You will learn how to frame questions clearly, design methodologically sound studies, and maintain rigor while navigating the complexities of real-world digital data.

We will start with a video presentation on Research Design in Data Science.

Research Design in Data Science PART I:

In this video presentation, you will be introduced to research design methods that are most common in Data Science

Research Design in Data Science PART II:

In this video presentation, you will be introduced to an exploration of Data Science topic section for your studies:

For a more in-depth overview of Research Design in Data Science, how to identify research articles, how to organize your sources, a review of tools for storing your references, and a methodology on approaching the research, please review the last part of the presentation: