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Experimental Research Designs | True-Experimental, Quasi-Experimental / Ex-Post Facto Design - 1 Video Lecture | Crash Course for UGC NET Sociology

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FAQs on Experimental Research Designs - True-Experimental, Quasi-Experimental / Ex-Post Facto Design - 1 Video Lecture - Crash Course for UGC NET Sociology

1. What are the key differences between true-experimental and quasi-experimental research designs?
Ans. True-experimental research designs involve random assignment of participants to different groups and manipulation of an independent variable, while quasi-experimental designs lack random assignment and may involve pre-existing groups or natural variation in the independent variable.
2. What are the advantages of using true-experimental research designs?
Ans. True-experimental designs allow for greater control over variables, enabling researchers to establish cause-and-effect relationships between the independent and dependent variables.
3. How is the validity of findings affected in quasi-experimental research designs compared to true-experimental designs?
Ans. Quasi-experimental designs may have lower internal validity due to the lack of random assignment, but they may have higher external validity as they reflect real-world conditions more accurately.
4. What is an example of a true-experimental research design in psychology?
Ans. An example of a true-experimental design in psychology would be a study where participants are randomly assigned to either a therapy group or a control group, and the effects of the therapy on a specific outcome are measured.
5. How can researchers overcome the limitations of quasi-experimental designs in their research studies?
Ans. Researchers can use techniques such as matching, statistical control, and regression analysis to minimize the effects of confounding variables and improve the internal validity of their findings.
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