When researchers manipulate a variable in a study, they are carrying out a(n) – . The manipulated variable is often called the – variable. A manipulated variable always has more than one level, or – . Researchers measure the – variable to determine the effect of the manipulated variable on it. Researchers often keep certain other factors constant on purpose. This kind of variable is called a(n) – variable.

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Based on research study practices, it is known that when researchers manipulate a variable in a study, they are carrying out a(n) "experiment. "

Also, it is known that the manipulated variable is often called the "independent variable."

A manipulated variable always has more than one level or "condition."

Researchers measure the "dependent" variable to determine the effect of the manipulated variable on it.

Researchers often keep certain other factors constant on purpose. This kind of variable is called a(n) "control" variable.

Hence, in this case, it is concluded that the research study takes a lot of processes and factors before a conclusion is reached.

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