Explain differences between measurement and observation

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Reference no: EM131541901

Question: The assignment (2 pages in APA format):

- Explain differences between measurement and observation.

- Explain differences between the four levels of measurement: nominal, ordinal, interval, and ratio.

- Explain why it is important to know the level(s) of measurement for variables in a study.

- Describe two techniques that may be used to improve the validity and reliability of variable measurement

Reference no: EM131541901

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