Respuesta :

The experiment corresponds to the most valuable research method, as it allows researchers to determine cause and effect between variables.

Experimental research

It is carried out through scientific methodology that uses a set of variables to test hypotheses about a given problem, which can be carried out in the laboratory or field.

Therefore, according to Kerlinger, the experiment allows the researcher to manipulate and control independent variables and observe the dependent variables in order to find a cause and effect relationship between them.

The correct answer is:

  • Experiment
  • Cause and effect

Find out more information about experimental research here:

https://brainly.com/question/17274244