According to the research, the correct answer is to understand the cause and effect relationship in a phenomenon is an action that would improve the qualiy of results when developing an experimental design.
<h3>What is an experimental design?</h3>
It is the alteration of an experimental variable or several at the same time, in an environment strictly supervised by the person who performs the experiment.
In this sense, the researcher can evaluate in what way or for what reason a particular phenomenon occurs, modifying the variables in intensity and being able to evaluate the causes and consequences of the results.
Therefore, in conclusion according to the research, the correct answer is to understand the cause and effect relationship in a phenomenon is an action that would improve the qualiy of results when developing an experimental design.
Learn more about an experimental design here: brainly.com/question/17667382
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