17.Mr. Kent’s students took the same vocabulary test twice within two days. Mr. Kent got the same results on each occasion. What characteristic did Mr. Kent’s test reveal?
(A) validity
(B) reliability
(C) practicality
(D) difficulty
詳解 (共 2 筆)
未解鎖
（A）validity 為效度。（B）r...
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Reliability refers t...
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