Nikon sends researchers to the homes of camera owners who have had babies within the last year to observe how new Moms are using the features of their cameras. After the observation session, the researcher interviews the Moms about what was observed to clarify the motivation. This is an example of .

The correct answer is letter "E": Ethnography.

Explanation:

Ethnography is a perspective theory and a research method in social science that includes the following characteristics:

The researcher begins the work with a phase called participant observation. The data analyzed come from speeches or real interaction with the subjects studied. The researcher collects data with a naturalistic approach. The data collected is studied using qualitative analysis.

Ethnography can be also described as the study of people in their own environment.

To deliver the message about its quality, McDonald's uses a variety of communication methods. McDonald's uses various way of marketing communication to increase its quality promotion. McDonald's usually gives a close up look at its food ingredients in the television ads. This aims to deliver a message about the McDonald's ingredients quality to the customers.