[{"data":1,"prerenderedAt":49},["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,[25,29,33,37,41,45],{"webId":26,"stem":27,"number":28,"year":9,"session":10},"sw-106-2-research-methods-017","在進行推論統計時，研究人員無可避免地必須承擔錯誤的風險，名為第一型錯誤（type I error）與第二型錯誤（type II error）。今當顯著水準由 0.05 變更為 0.01 時，犯上述錯誤的風險會如何改變？",17,{"webId":30,"stem":31,"number":32,"year":9,"session":10},"sw-106-2-research-methods-019","當研究人員在進行變異數分析（ANOVA）時，若組內離均差平方和（within-group sum of squares）變成原來的 2 倍時，在其餘條件都不變的情況下，所計算出來的 F 值會成為原來的多少？",19,{"webId":34,"stem":35,"number":36,"year":9,"session":10},"sw-106-2-research-methods-016","關於一個質化訪談的完整過程，下列各階段的順序何者正確？",16,{"webId":38,"stem":39,"number":40,"year":9,"session":10},"sw-106-2-research-methods-020","自變項與依變項皆為類別變項時，欲檢定兩變項的獨立性時我們會採用卡方檢定。今若進行交叉分析的自變項有 2 個屬性、依變項有 4 個屬性，試問卡方檢定之自由度為多少？",20,{"webId":42,"stem":43,"number":44,"year":9,"session":10},"sw-106-2-research-methods-015","研究者運用半結構式的訪談對罹患慢性疾病患者進行調查，觀察到許多男性慢性疾病患者發展出一套自我保存的策略以免於陷入憂鬱。這種由資料來建構理論的推理過程，稱為：",15,{"webId":46,"stem":47,"number":48,"year":9,"session":10},"sw-106-2-research-methods-021","若將電話訪問與面對面訪問進行比較，下列何者錯誤？",21,1787299241869]