JP Morgan Interview Questions | Experimental Design
Question
Provide a simple example of how an experimental design can help answer a question about behavior. How does experimental data contrast with observational data?
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Machine Learning
4 years
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Answer ( 1 )
An observational study is a study where researchers simply collect data based on what is seen and heard and infer based on the data collected. A researcher can’t add in any extra information, or guesses. All of the information must be evidence in the observational study. Second, the researcher can only observe, they cannot interfere with the study in any way.
Experimental studies are ones where researchers introduce an intervention and study the effects. Experimental studies are usually randomized, meaning the subjects are grouped by chance.