Answered

An operational definition allows the researcher to:

A. measure the dependent variable.
B. manipulate the independent variable.
C. prevent subjects from knowing who received the treatment.
D. create the experimental conditions.
E. randomly assign subjects.



Answer :

GinnyAnswer

Final answer:

Operational definition is essential for research to measure and manipulate variables effectively.


Explanation:

Operational definition is crucial in research as it allows the researcher to precisely measure the dependent variable and manipulate the independent variable. This process helps in creating experimental conditions that enable the researcher to draw causal conclusions by assessing the impact of experimental manipulations on the dependent variable.


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