Jan 3, 2024 · Quasi-experimental design refers to a type of experimental design that uses pre-existing groups of people rather than random groups. Because the groups of research …

Jul 31, 2020 · Many types of quasi-experimental designs exist. Here we explain three of the most common types: nonequivalent groups design, regression discontinuity, and natural experiments.

This paper builds upon the other manuscripts in this series, introduces the basics of quasi-experimental designs, and provides examples of each research method.

Researchers typically use a quasi-experimental design because they can’t randomize due to practical or ethical concerns. For example: Practical Constraints: A school interested in testing …

Mar 26, 2024 · Quasi-experimental research design is a type of empirical study used to estimate the causal relationship between an intervention and its outcomes. It resembles an …

Quasi-experiments are often used in real-life situations like educational research, hospitals, or communities because they help researchers study things as they naturally happen.

Nov 14, 2025 · Alright, let's get into the nitty-gritty of different types of quasi-experimental designs. Knowing these will help you pick the right one for your research question.

Non-random assignment is a hallmark of quasi-experimental designs. In these studies, participants are assigned to groups based on pre-existing characteristics rather than random …

Feb 18, 2025 · Quasi-experimental designs come in various forms, each suited to different research contexts and objectives. Some common types include the one-group pretest-posttest …

Mar 13, 2025 · Quasi-experimental research encompasses a variety of techniques designed to approximate the rigor of randomized experiments while adapting to real-world conditions. In …