4. Which of the following sources of information for measuring performance has the
disadvantage of being subject to personal biases, and is time consuming and obtrusive?
(A) written reports
(B) oral reports
(C) statistical reports
(D) personal observations
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統計: A(0), B(0), C(0), D(2), E(0) #2586799
統計: A(0), B(0), C(0), D(2), E(0) #2586799