Which type of research is being conducted when a researcher conducts an experiment to answer the question will consumers purchase more of our brand if we change the package design?

The type of research that is conducted by a researcher to find out if a consumer will purchase more of a brand if the package is changed is known as Casual Research. It is also known as explanatory research. For this type of research it is important to observe variations in the variables that are assumed to cause the change in other variables and to then measure all the changes across other variables.