Sampling

The video tutorial explains the concept of sampling in psychological research, comparing it to medical blood sampling. It introduces key terms like target population, sample, representativeness, and generalizability. The tutorial distinguishes between probability and non-probability sampling, detailing methods like random and stratified sampling, and their challenges. It also covers non-probability sampling methods such as convenience, purposive, and self-selected sampling, highlighting their advantages and limitations. Finally, it emphasizes the importance of evaluating sampling methods based on what is measured, sample size, and representativeness.

What is the purpose of sampling in psychological research?

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Explain the difference between target population and sample.

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What does representativeness mean in the context of sampling?

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Describe the concept of generalizability in research.

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What are the key distinctions between probability and non-probability sampling?

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List and explain three methods of non-probability sampling.

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What are the limitations of using non-probability sampling in research?

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