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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

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  • 1. 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