[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-sw-107-1-research-methods-033":3},{"subject":4,"subjectSlug":5,"subjectFullName":4,"question":6,"related":23},"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":10},"sw-107-1-社會工作研究方法-033","sw-107-1-research-methods-033",107,1,false,33,"在複迴歸\u002F多變量迴歸分析（multiple regression analysis）當中，三個自變項的相關係數，其分別是： ①r12 =0.85；②r23 =0.73；③r13 =0.65，請問下列那一對變項最可能發生多元共線性（multicollinearity）？",{"A":15,"B":16,"C":17,"D":18},"①","②","③","①和②","A",null,[],"本題考點是多元共線性(multicollinearity)的判斷。依迴歸分析原理,多元共線性指「自變項之間」彼此高度相關,導致迴歸係數估計不穩定;經驗法則上,兩自變項相關係數達 0.8 以上即有高度共線性疑慮。題中 ①r12=0.85 最高且唯一超過 0.8 門檻,故變項 1 與變項 2 最可能發生多元共線性,選 A。②r23=0.73 與 ③r13=0.65 雖不低,但均未達 0.8 且低於 ①,非「最可能」;D 把 ② 一併納入,但題目問最可能的一對,相關係數最高的 ① 才是正解。",[24,28,32,36,40,44],{"webId":25,"stem":26,"number":10,"year":27,"session":10},"sw-106-1-research-methods-001","什麼是社會工作研究的第一步？",106,{"webId":29,"stem":30,"number":31,"year":27,"session":10},"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：",2,{"webId":33,"stem":34,"number":35,"year":27,"session":10},"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":27,"session":10},"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":27,"session":10},"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":27,"session":10},"sw-106-1-research-methods-006","關於演繹法的說明，何者有誤？",6,1784109484172]