Determining the Appropriate Research Method

The video tutorial explains the differences between sample surveys, experiments, and observational studies. It discusses the purpose, advantages, and disadvantages of each method. Surveys are efficient for large samples but rely on honest responses. Experiments establish causation but can be costly and raise ethical concerns. Observational studies are simple and inexpensive but cannot determine causation and may introduce observer bias. The tutorial helps viewers understand when to use each method based on their research goals.

How do observational studies differ from experiments in terms of participant awareness?

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What ethical considerations should be taken into account when conducting observational studies?

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