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Qualitative and Quantitative Tools

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What types of qualitative and quantitative tools can be helpful to identify a problem's root cause or to improve a process?

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This solution discusses the types of qualitative and quantitative tools that can be helpful to identify a problem's root cause or to improve a process.

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Data gathering assessment tools are compared.

Compare and contrast these data gathering assessment tools and how each can be used in qualitative and quantitative educational research studies:

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Which ones are most effective and why? Is it easier to establish reliability and validity with certain instruments? Why? How do you train evaluators to use each instrument?

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