Data Collection and Sampling Techniques

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What is data collection?

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The process of gathering information from various sources to answer research questions or analyze trends.

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What is a sampling technique?

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A method used to select individuals from a population to participate in a study.

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Define simulation in data collection.

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A method that uses computer models to replicate real-world processes for analysis.

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What is convenience sampling?

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A non-probability sampling technique where subjects are selected based on their easy availability.

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What is an observational study?

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An attempt to understand cause-and-effect relationships without controlling variables.

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What is a census?

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A study that obtains data from every member of a population.

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What is stratified sampling?

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A sampling technique that divides the population into subgroups and randomly samples from each.

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What is cluster sampling?

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

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical values.

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What is a survey?

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A method of data collection that involves asking people questions to gather information.