Give me a multiple choice quiz question about random assignment to groups and its role in reducing plausible alternative interpretations due to chance.
Understand the Problem
The question asks for a multiple choice quiz question based on the concept of random assignment to groups in research design. This concept is important in controlling for both known and unknown effects, ensuring that any observed differences can be attributed to the treatment rather than to chance variations.
Answer
Random assignment reduces alternative interpretations by ensuring equal likelihood of group allocation, minimizing bias.
Random assignment reduces plausible alternative interpretations due to chance by ensuring that each participant has an equal likelihood of being placed in any treatment group, thus eliminating bias and confounding variables.
Answer for screen readers
Random assignment reduces plausible alternative interpretations due to chance by ensuring that each participant has an equal likelihood of being placed in any treatment group, thus eliminating bias and confounding variables.
More Information
Random assignment is a crucial aspect of experimental design that helps ensure the internal validity of the experiment by making sure that all potential confounding variables are evenly distributed across treatment groups.
Tips
A common mistake is confusing random assignment with random sampling. Random assignment specifically refers to how participants are assigned to different groups in an experiment.
Sources
- Random Assignment in Experiments | Introduction & Examples - scribbr.com
- What is the purpose of a random assignment? - Quora - quora.com
- Experimental Design – Research Methods in Psychology - opentextbc.ca
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