In the experimental method,the investigator manipulates a variable under carefully controlled conditions.What does the researcher do next

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After manipulating a variable under carefully controlled conditions, the researcher observes whether any changes occur in a second variable. This is done to determine if a cause-and-effect relationship exists between the manipulated variable and the observed changes in the second variable. This is the essence of the experimental method.

In the Experimental Method,the Investigator Manipulates a Variable Under Carefully