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In clinical research, our aim is to design a study which would be able to derive a valid and meaningful scientific conclusion using appropriate statistical methods. The conclusions derived from a research study can either improve health care or result in inadvertent harm to patients.
The study design used to answer a particular research question depends on the nature of the question and the availability of resources. 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.
It first reviews selected designs (regression discontinuity designs, interrupted time series analysis, observational studies, pre-/posttest designs, and economic cost analysis) commonly used as alternatives to randomized experiments.
- Shiriki K. Kumanyika, Lynn Parker, Leslie J. Sim
- 2010
- 2010
Dec 9, 2020 · We first introduce a summary and key qualities of each approach. Then, using two common research contexts, we apply each approach to design a study, enabling comparisons among approaches and demonstrating the internal consistency within each approach.
- Lesley Eleanor Tomaszewski, Jill Zarestky, Elsa Gonzalez
- 2020
May 1, 2019 · This paper investigates what research design is, the different kinds of research design and how a researcher can choose the appropriate research design for his/her study.
May 5, 2022 · Revised on 20 March 2023. A research design is a strategy for answering your research question using empirical data. Creating a research design means making decisions about: Your overall aims and approach. The type of research design you’ll use. Your sampling methods or criteria for selecting subjects.
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Mar 1, 2021 · Abstract. Life presents a web of interconnected causes and effects, transforming the simple art of observation into a deceptively complex affair. Study designs were created to address this...
