[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-sw-109-2-research-methods-018":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":24},"社會工作研究方法","research-methods",{"id":7,"webId":8,"year":9,"session":10,"subject":4,"legacy":11,"number":12,"stem":13,"options":14,"answer":19,"answerNote":20,"images":21,"lawTimestamp":9,"explanation":22,"freq":23},"sw-109-2-社會工作研究方法-018","sw-109-2-research-methods-018",109,2,false,18,"下列那種方法無法提升母群體估計值的正確性？",{"A":15,"B":16,"C":17,"D":18},"加大樣本","提升抽樣母群體的異質性","進行隨機抽樣","提升抽樣架構的完整性","B",null,[],"本題考點是提升母群體估計值正確性的方法辨識。要讓樣本推估母體更準確，可透過加大樣本以縮小抽樣誤差、採隨機抽樣以避免系統偏誤、以及提升抽樣架構的完整性以減少涵蓋誤差。而「提升抽樣母群體的異質性」會增加母體本身的變異程度，使標準誤變大、估計值更不穩定，無法提升正確性，故選 B。A 加大樣本使 √n 增大而降低抽樣誤差；C 隨機抽樣確保每單位機率均等、消除選樣偏誤；D 完整的抽樣架構讓母體每一成員都有被抽中的機會，皆能提升正確性。",1,[25,29,32,36,40,44],{"webId":26,"stem":27,"number":23,"year":28,"session":23},"sw-106-1-research-methods-001","什麼是社會工作研究的第一步？",106,{"webId":30,"stem":31,"number":10,"year":28,"session":23},"sw-106-1-research-methods-002","執行研究是為了解概念，但我們仍得在研究前，針對概念給予基本描述與簡要定義。請問這個步驟是：",{"webId":33,"stem":34,"number":35,"year":28,"session":23},"sw-106-1-research-methods-003","皮爾森相關係數（r）有幾個特色，下列敘述何者錯誤？",3,{"webId":37,"stem":38,"number":39,"year":28,"session":23},"sw-106-1-research-methods-004","關於信效度的說明，下列何者正確？",4,{"webId":41,"stem":42,"number":43,"year":28,"session":23},"sw-106-1-research-methods-005","當我們要判斷兩個變項間是否有因果關係時，下列那種判斷標準不合適？",5,{"webId":45,"stem":46,"number":47,"year":28,"session":23},"sw-106-1-research-methods-006","關於演繹法的說明，何者有誤？",6,1784109487361]