Unit 3 Review

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What is Systematic Sampling?

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A sampling method where every nth individual is selected from a list or queue, ensuring a structured approach to sampling.

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What is a Completely Randomized Design?

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An experimental design where subjects are randomly assigned to different treatment groups without any restrictions.

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What is Convenience Sampling?

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A non-probability sampling method where subjects are selected based on their easy availability and proximity to the researcher.

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What is a Blocking Design?

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An experimental design that involves dividing subjects into blocks based on a certain characteristic (e.g., gender) before random assignment to treatment groups.

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What is a Randomized Block Design?

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An experimental design that involves dividing subjects into blocks and then randomly assigning treatments within each block.

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What is a Voluntary Response Sample?

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A sampling method where individuals choose to participate in the survey or study, often leading to biased results.

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What is a Double Blind Experiment?

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An experimental design where neither the participants nor the researchers know who is receiving the treatment or the placebo, reducing bias.

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What is a Single Blind Experiment?

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An experimental design where the participants do not know whether they are receiving the treatment or placebo, but the researchers do.

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What is the purpose of using a Control Group?

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A control group is used as a baseline to compare the effects of the treatment, helping to isolate the treatment's impact.

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What is the difference between Qualitative and Quantitative Research?

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Qualitative research focuses on understanding concepts and experiences, while quantitative research involves numerical data and statistical analysis.