Research Design and Types of Samples

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What is Systematic Random 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.

Tags

CCSS.HSS.IC.B.3

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Define Experimental Design.

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A research design where an experimental group is treated differently from a control group to observe the effects of the treatment.

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What is a Convenience Sample?

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A sampling method where participants are selected based on their easy availability and proximity to the researcher.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What constitutes a Representative Sample?

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A sample that accurately reflects the characteristics of the population from which it is drawn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is a Voluntary Response Sample?

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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Explain the difference between Experimental and Observational Designs.

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Experimental design involves manipulation of variables, while observational design involves observing subjects without interference.

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What is a Random Sample?

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A sampling method where every individual in the population has an equal chance of being selected.

Tags

CCSS.HSS.IC.B.3

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What is the purpose of Stratified Random Sampling?

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To ensure that specific subgroups within a population are adequately represented in the sample.

Tags

CCSS.HSS.IC.B.3

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What is a Weighted Sample?

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A sampling method where different individuals or groups are given different weights in the analysis to account for their representation.

Tags

CCSS.HSS.IC.B.3

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What is the significance of a Control Group in Experimental Design?

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A control group serves as a baseline to compare the effects of the experimental treatment.