Which information source used to measure performance has the disadvantages of being subject to personal bias and consuming a lot of time?
A) standardized tests
B) statistical reports
C) personal observation
D) written reports
E) oral reports

Question

Quizplus · Accepted Answer

Personal observation has the disadvantage of being subject to personal bias since it relies on the observer's interpretation of what is observed. It can also consume a lot of time, as it often involves the observer spending a considerable amount of time watching and recording performance.

Which Information Source Used to Measure Performance Has the Disadvantages