To measure the activity-level of patients confined to wheelchairs, a researcher sticks white tape on the wheels of their wheelchairs, then measures the amount of dirt that accumulates on the tape. This is an example of a (an) measure.
a. unobtrusive
b. unreliable
c. physiological
d. nominal
e. undisguised
Question 2
Which of the following is an unobtrusive measure of people's interest in a particular exhibit in a museum?
a. interviewing them about their interest
b. a self-report questionnaire
c. heart rate while looking at the exhibit
d. finger prints on the glass case of the exhibit e. none of these is an unobtrusive measure