Quasi-experimental Designs
Explore Quasi-Experimental Designs
Test your knowledge on quasi-experimental designs with this comprehensive quiz. It covers essential concepts, advantages, and disadvantages of quasi-experiments and how they differ from randomized controlled trials.
Questions include:
- Key definitions and characteristics
- Ethics and application in research
- Comparison with randomized controlled trials
What are Quasi-experimental studies?
A form of Observational Study
A form of Randomized Controlled Trial (RCT)
The main difference between Quasi-experimental designs and RCT is that in Quasi-experimental designs, participants self elect into different treatments, as opposed to being randomly assigned?
True
False
Elements of Quasi-Experimental studies?
Test Causal hypothesis
Lacks randomization
The researcher has control over the treatment
Often includes pre-intervention and post-intervention
Quasi-experimental design may be considered whenever randomized controlled trials (RCTs) are impossible. This may be due to ethical, operational, or political reasoning
True
False
Quasi-experimental designs are used when you need to generate causal evidence with a high degree of internal validity validity
True
False
Quasi-Experimental designs are usually used
You need results inexpensively and quickly
In short term studies
To test out hypothesis in a controlled trial
To evaluate randomization
What are some of the advantages of Quasi-experimental designs? Select all that apply
Used when RCTs are not able to be conducted
Less expensive and time consuming
More exclusive than RCT, aka more specific results
Able to retrospectically analyze policy changes
What are some disadvantages of Quasi-experimental designs? Select all that apply
Not randomized
Retrospective data can be incomplete or difficult to obtain
Risk of reporting bias
Risk of Hawthorne bias
Small control groups
Quasi-experiments have lower internal validity than true experiments, but they often have higher external validity. True or False
True
False
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