Answer:
descriptive and experimental
Explanation:
Descriptive research -
It refers to the type of research method , which gives the quality of the process or phenomenon , which is under consideration , is referred to as descriptive research , this study focus on the " what " rather on the " why " factor .
Experimental research -
It refers to the study which sticks to the scientific research design , including , assumptions , hypothesis , theories etc.
Hence , from the given scenario of the question ,
The correct answer is descriptive and experimental .