Answer:
Experimental research
Explanation:
Experimental research is a method that conducts scientifically. It is the part of research design. In this experiment method, a set of variables is static and a set of experimental variables are to be measured under the scientific research method. When you don't have proper data you need to conduct an experimental research study. It is also called a quantitative research method. The experimental method conducts the cause and effect research methodology.
Types of experimental research method:
- The pre-experimental research design
- True experiment design
- The quasi-experimental design.
Thus here Kenja used experimental research design to study research.