[{"data":1,"prerenderedAt":47},["ShallowReactive",2],{"q-sw-106-2-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-106-2-社會工作研究方法-018","sw-106-2-research-methods-018",106,2,false,18,"有關分層隨機抽樣（stratified sampling）與集叢取樣法（cluster sampling）中「層」與「集叢」的概念，下列何者正確？",{"A":15,"B":16,"C":17,"D":18},"層內異質性高，集叢內同質性高","層內同質性高，集叢內異質性高","層與層間異質性高，集叢與集叢間異質性亦高","層與層間同質性高，集叢與集叢間異質性高","B",null,[],"本題考點是分層隨機抽樣與集叢抽樣中「層」與「集叢」性質的對比。依抽樣設計原理,分層抽樣是先依重要變項(如性別、公私立)把母體分層,使「層內同質、層間異質」,再自每層內隨機抽取,以確保各類屬性都被代表、降低抽樣誤差;集叢抽樣則以自然存在的群組(如班級、村里)為抽取單位,理想上每個集叢都是母體的縮影,故「集叢內異質、集叢間同質」,整叢抽出即可代表母體,B 正確,故選 B。A 恰把兩者顛倒;C 錯在集叢與集叢間應同質而非異質;D 錯在層與層間應異質而非同質。",1,[25,28,31,35,39,43],{"webId":26,"stem":27,"number":23,"year":9,"session":23},"sw-106-1-research-methods-001","什麼是社會工作研究的第一步？",{"webId":29,"stem":30,"number":10,"year":9,"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":32,"stem":33,"number":34,"year":9,"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":36,"stem":37,"number":38,"year":9,"session":23},"sw-106-1-research-methods-004","關於信效度的說明，下列何者正確？",4,{"webId":40,"stem":41,"number":42,"year":9,"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":44,"stem":45,"number":46,"year":9,"session":23},"sw-106-1-research-methods-006","關於演繹法的說明，何者有誤？",6,1784109472170]