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What is the difference between observational and experimental data?


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What is the difference between observational and experimental data?
in Data Science & Statistics by ♦ Platinum (93,241 points) | 305 views

1 Answer

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Observational
- No control groups or conditions
- Surveys, opinion polls

 

Experimental
- one or more variables are identified and controlled
- Data can be obtained about influence on a variable of interest

by ♦ Platinum (93,241 points)

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