[{"data":1,"prerenderedAt":49},["ShallowReactive",2],{"q-sw-106-2-research-methods-020":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-020","sw-106-2-research-methods-020",106,2,false,20,"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？",{"A":15,"B":16,"C":17,"D":18},"8","6","3","2","C",null,[],"本題考點是卡方獨立性檢定自由度的計算。依卡方檢定公式,交叉表的自由度=(列數−1)×(行數−1);本題自變項有 2 個屬性、依變項有 4 個屬性,構成 2×4 交叉表,自由度=(2−1)×(4−1)=1×3=3,故選 C。A 8 是誤將 2 與 4 直接相乘,忘了各減 1;B 6 是只有一邊減 1 的誤算(如 2×3);D 2 亦不符(列−1)×(行−1)的公式結果。記住「行列各減一再相乘」即可,屬性數本身不是自由度。",1,[25,29,33,37,41,45],{"webId":26,"stem":27,"number":28,"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":30,"stem":31,"number":32,"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,{"webId":34,"stem":35,"number":36,"year":9,"session":10},"sw-106-2-research-methods-018","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？",18,{"webId":38,"stem":39,"number":40,"year":9,"session":10},"sw-106-2-research-methods-022","某市政府擬辦理調查，以了解該市老人使用社區照顧關懷據點的比例及使用意願，該調查的母群體為下列何者？",22,{"webId":42,"stem":43,"number":44,"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":46,"stem":47,"number":48,"year":9,"session":10},"sw-106-2-research-methods-023","假定一個非營利組織機構的企業化程度會透過員工的滿意度及投入程度以影響機構績效，請問「員工的滿意度及投入程度」是什麼變項？",23,1787299241894]