With which type of observation technique do researchers observe tangible evidence of some event,such as measuring the amount of graffiti on buildings to indicate the potential crime in an area?
A)covert
B)archives
C)invented
D)physical traces
E)overt

Question

Quizplus · Accepted Answer

Physical traces are tangible evidence observed by researchers to indicate some event, such as measuring the amount of graffiti on buildings to indicate potential crime in an area.

With Which Type of Observation Technique Do Researchers Observe Tangible