In this article, which is the first part of a series on “study designs,” we provide an overview of research study designs and their classification. The subsequent articles will focus on individual designs.

Jun 19, 2023 · Choosing an appropriate study design is one of many essential considerations before conducting research to minimise bias and yield valid results. This guide provides a summary of study …

Feb 27, 2025 · Case‐control studies are study designs that compare two groups, such as the subjects with disease (cases) to the subjects without disease (controls), and to look for differences in risk factors.

Nov 23, 2023 · Research design refers to the strategies and methods researchers employ to carry out their research and reach valid and reliable results. It can refer to the collection, interpretation, and …

Mar 26, 2024 · Research designs are typically classified into three main types: qualitative, quantitative, and mixed methods. Each type serves different purposes and is selected based on the nature of the …

Examples of observational designs include cross-sectional studies, cohort studies, and case-control studies. Beyond these, researchers may also encounter quasi-experimental, qualitative, mixed …

Oct 31, 2023 · What are the different types of study designs used in research? The different types of study designs used in research include observational designs (descriptive, analytical), experimental …

Nov 28, 2025 · Quantitative research can use different types of study design. Each type of study design has different methods with unique advantages and disadvantages. Qualitative research aims to …

Nov 10, 2025 · Cohort Studies [MeSH]* - Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the …

Choose study designs that correspond to your individual research questions. Considering the three questions below can help guide your design decisions. A brief overview of different study design …