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Steps of Scientific Method
1. question 2. hypothesis 3. experiment 4. observation 5. analysis 6. and conclusion
Observational Study
characteristics of interest that are measured to make conclusions based on what is observed.
Experimental Study
the variable is manipulated or controlled to see how it affects a different group.
Independent Variable
controlled throughout an experiment but not affected by another variable.
Dependent Variable
being tested and relies on other factors
AND
It narrows and refine search results. Limits results to only what we are looking for
OR
It broadens the search using the terms plugged into the search
NOT
It excludes words