Experimental Design Review

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What is Experimental Design?

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A structured approach to planning and conducting experiments to test hypotheses and analyze the effects of variables.

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What is a Random Sample?

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A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

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What is Response Bias?

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A tendency of respondents to answer questions inaccurately or falsely, often influenced by external factors.

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What is Simple Random Sampling (SRS)?

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A sampling method where each member of the population has an equal chance of being selected.

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What is Convenience Sampling?

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A non-probability sampling method where participants are selected based on their easy availability.

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What is Stratified Sampling?

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A sampling method that involves dividing the population into subgroups and taking a random sample from each.

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What is Cluster Sampling?

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A sampling method where the population is divided into clusters, and entire clusters are randomly selected.

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What are Treatments in an Experiment?

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The different conditions or interventions applied to subjects in an experiment to observe effects.

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What is the Control Group?

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A group in an experiment that does not receive the treatment, used as a benchmark to measure the effects of the treatment.

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What is a Hypothesis?

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A testable prediction about the relationship between two or more variables.