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Understandings
Students will understand…
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The fundamental purpose of data collection in statistical analysis, recognizing its role in informing decisions and drawing conclusions.
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The difference between categorical and numerical data, understanding how data types influence the selection of appropriate collection methods.
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Various sampling methods and recognize the importance of selecting an appropriate technique based on the research question.
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The principles of survey and questionnaire design, including the impact of question wording, response options, and survey structure on data quality.
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Essential Questions
Students will keep considering…
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Why is data collection a crucial step in statistical analysis?
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What are the different types of data, and how does the type of data influence the data collection process?
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How do researchers determine the sampling method, and what are the implications of different sampling techniques?
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How can bias be minimized?
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How can surveys and questionnaires be designed to gather meaningful and unbiased information?
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Students will know…
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The different sampling techniques, such as random sampling, stratified sampling, and convenience sampling, and understand when each is appropriate.
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The various data collection instruments, including surveys, questionnaires, interviews, and observational methods, and understand the strengths and limitations of each.
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How bias can affect data collection and be aware of strategies to minimize bias, ensuring the collection of accurate and representative data.
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How technology, such as online surveys, mobile apps, or sensors, can be leveraged in data collection, considering its implications for data accuracy and privacy.
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Students will be skilled at…
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Designing effective surveys and questionnaires, considering factors such as question clarity, response options, and overall survey structure.
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Implementing various sampling techniques, understanding how to choose an appropriate method based on the research context.
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Validating data to ensure accuracy and reliability, recognizing and addressing potential errors in the collected data.
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Using technology tools for data collection, such as statistical software, online survey platforms, or data collection apps.
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