Which of the following is NOT illustrative of unobtrusive observation?
Group of answer choices
A. Examining the floor tiles at a museum to determine which exhibits are the most popular
B. Examining the number of beer cans in the university garbage collections to determine beer consumption patterns on campus
C. Examining the wear on the tires of squad cars to determine the extent of police patrols
D. All of the above
E. Only a and c
The correct answer should be letter B. Examining the number of beer cans in the university garbage collections to determine beer consumption patterns on campus
Because this is not a representative of an unobtrusive observation.
