Which of the situations would increase the reliability of a language test?
AHaving more items on the test正確答案
BRating the test subjectively
CDesigning a more difficult test
DHaving variations in test task characteristics
答案與詳解
為什麼答案是 A
題目數量增加可降低測量誤差，使分數更穩定一致，是提升信度最常見的方法。Spearman-Brown 公式即說明測驗加長可提高信度。
考點：增加題數提升信度考點：主觀評分降低信度考點：難度≠信度考點：任務變異降低信度
載入中…
