Kindly check the following three situations. For each, show how the researcher should go ahead with the following, given reasons:

a. The purpose of the study

b. The type of investigation

c. The study setting

d. The time horizon for the study

Mr. Paul Hodge, the owner of several restaurants on the East Coast. Is concerned about the wide differences in their profit margins he would like to try some incentive plans for increasing the efficiency levels of those restaurants that lag behind. But before he actually does this, he would like to make sure the idea would work. He asks a researcher to help him on this issue.