What Research Method Is Being Used If A Researcher Manipulates A Variable Under Carefully Controlled Conditions And Observes Whether Any Changes Occur In A Second Variable?

What Research Method Is Being Used If A Researcher Manipulates A Variable Under Carefully Controlled Conditions And Observes Whether Any Changes Occur In A Second Variable? A B Experiment Research method in which investigator manipulates a variable under carefully controlled conditions and observes whether any changes occur in a second variable as a result Experimental