[{"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":27,"year":9,"session":10},"sw-107-1-research-methods-032","研究者在訪談之前並沒有預先決定問題主題或文字資料，訪問時的問題都是由立即的情境脈絡中在自然進行中提出的，屬質性訪談中最開放的模式，是指下列何種？",32,{"webId":29,"stem":30,"number":31,"year":9,"session":10},"sw-107-1-research-methods-034","下列那一種集中趨勢的測量可以使用在任何一種測量尺度？",34,{"webId":33,"stem":34,"number":35,"year":9,"session":10},"sw-107-1-research-methods-031","觀察者在一段特定時間內，直接觀察目標行為，而且記錄每一次發生所持續的時間長度，是直接觀察法常用的那一種記錄方法？",31,{"webId":37,"stem":38,"number":39,"year":9,"session":10},"sw-107-1-research-methods-035","某研究者的研究對象是 14 歲的國中二年級學生，依據臺灣社會工作專業人員協會的相關規定，請問其須取得下列何者的同意，才可納入研究？",35,{"webId":41,"stem":42,"number":43,"year":9,"session":10},"sw-107-1-research-methods-030","為了有效評估日益嚴重的離婚問題，研究者研究目標是要形成造成離婚的基礎理論，研究是否離婚者的人格、婚姻模式、問題解決模式具有基本上的特質，這種以形成理論為基礎的研究，是指下列何者？",30,{"webId":45,"stem":46,"number":47,"year":9,"session":10},"sw-107-1-research-methods-036","黃同學參加 2017 年 2 月的全民英檢中級聽讀測驗，他的成績位在第 95 百分位；他於 2017 年 8 月再次參加全民英檢中級聽讀測驗，這次他的成績位於第 82 百分位，請問黃同學第二次得到較低的成績最可能是因為下列那一種內在無效度（internal invalidity）的來源？",36,1787299236623]