John is a field researcher who studies social interaction within motorcycle groups. he is not an accomplished rider himself, but he is able to obtain jobs at various motorcycle shops that allow him to observe members of motorcycle groups and to socialize with them after work. he lets members think that he is a regular employee and does not mention his research role to anyone connected with the groups. his note-taking is done after hours in his own apartment. his role as a field research is that of a: a. complete observer
b. partial observer
c. participant and observer
d. complete participant