Clark is researching whether actors on prime-time television and hit movies negatively impact teenagers' body images. he is going undercover at a local high school to observe and participate with the students to better understand the world they live in. clark is conducting which research method?

Field research  

Explanation:

The field research method is a qualitative method of collecting data. the main aim of the research method is to observe, interact and understand people well when they are in the natural settings. Field research is the source of a diverse range of social research, limited participation, analysis of documents and other information. It is started in specific settings. the end of the study with the observation of specific behavior of the subject in the specific settings. but the cause and effect are much difficult to analyze the behavior of the subjects due to the presence of many outrageous variables in the natural environment. Most of the data collection is based not entirely on cause and effects but mostly on correlation.  

Methods of field research:

answer; ewing's sarcoma;

answer; /// all of the above;