The answer to the question above is FIELDWORK. From the term itself, the work involves in the "field" or in the actual environment wherein the researcher him or herself immerses in the natural environment in order to accomplish a given work or task. This already involves participant observation since the researcher witnesses the actual behavior of the participants in the field.
The correct answer is media multitasking. Media multitasking
is being defined as having to associate what a person is doing with media such
as the use of TV, web, telephone or any other media that is in conjunction with
another one.