本研究探討資訊需求者相關判斷的結果。透過教師和館員介紹及電子佈告的方式，招募了33位檢索者，完成41次檢索並產生1557筆書目，因此總計蒐集1557次相關判斷的結果。研究結果顯示，大約6成的書目資料接判斷為相關（包含非常相關、相關及部分相關），僅有4成書目被判斷為不相關。至於讀者判斷相關的依據，則以題名為主要選擇，而相關判斷的時間長短差異相當大，但單純的相關判斷耗時較短（不管是「非常相關」或「不相關」），需要斟酌考慮的判斷則需要較長的判斷時間。

　　This article attempts to investigate the results of relevance judgement. There were 33 end-users. After instructions, subjects did 41 searches and retrieved 1557 bibliographies. The results indicated 60% of the items were relevant and 40% of them were irrelevant. It finds titles are primary choice for relevant judgement. Concerning the time for relevance judgement, ambiguous relevance judgement will take longer time to decide.