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What is an example of a quasi-experimental study


Examples of quasi-experimental studies follow. As one example of a quasi-experimental study, a hospital introduces a new order-entry system and wishes to study the impact of this intervention on the number of medication-related adverse events before and after the intervention.

What is the most common quasi-experimental design?

The most common quasi-experimental designs are: 1. Nonequivalent groups design: This design uses a pretest and posttest for participants to gauge cause and effect.

How do you tell if a study is a quasi-experiment?

Like a true experiment, a quasi-experimental design aims to establish a cause-and-effect relationship between an independent and dependent variable. However, unlike a true experiment, a quasi-experiment does not rely on random assignment. Instead, subjects are assigned to groups based on non-random criteria.

When would a quasi-experiment be used?

Quasi-experimental studies encompass a broad range of nonrandomized intervention studies. These designs are frequently used when it is not logistically feasible or not ethical to conduct a randomized, controlled trial—the gold standard of causal research design.




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