Title: Why are experimental investigations the best type of scientific investigation to demonstrate cause and effect relationships
Headings: Why are experimental investigations the best type of scientific investigation to demonstrate cause and effect relationships
Chemistry, 08.04.2020 23:22 alannalizettep8trnj
Why are experimental investigations the best type of scientific investigation to demonstrate cause and effect relationships
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Content: twan6425
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Isolation of Variables. Explanation: I am just taking a guess but Experimental investigations allow you to isolate variables (making most variables constant, allowing only the independent variable to have an impact on the dependent variable). With other scientific investigations, if they don't isolate the variables it is very possible that an unknown third variable could be skewing the results (which will result in correlation but not causation). Thanks
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Answer from: prettygirl1053480
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Sample Response: In experimental investigations, the investigator has the ability to actively manipulate variables and control conditions. The independent variable can be isolated and manipulated, producing a change (or no change) in the dependent variable. This change can be measured to gather evidence to support or refute the cause-and-effect relationship. Experimental investigations also use a control group (a group that is not manipulated) for comparison.