[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-sw-107-1-research-methods-007":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-007","sw-107-1-research-methods-007",107,1,false,7,"某研究算出決定係數(R )=.49，這代表下列何者？",{"A":15,"B":16,"C":17,"D":18},"70%的最後分數之變異已經被解釋","49%的最後分數之變異已經被解釋","7%的最後分數之變異已經被解釋","51%的最後分數之變異已經被解釋","B",null,[],"本題考點是決定係數(R²)的統計意義。依迴歸分析的定義,決定係數 R² 代表依變項(最後分數)的總變異中,可被自變項解釋的比例;R²=.49 即表示 49% 的變異已被解釋,故選 B。A 的 70% 是相關係數 r=.70 的數值,r 必須平方後才是解釋變異量,不能直接當作解釋力;C 的 7% 沒有任何統計換算依據,屬小數位誤讀的陷阱;D 的 51% 是 1−R²,即「未被解釋」的殘差變異比例,方向恰與題意相反。",[24,28,32,36,40,44],{"webId":25,"stem":26,"number":27,"year":9,"session":10},"sw-107-1-research-methods-006","針對研究問題：「在新福利政策影響下，福利接受者如何經驗政策更新對生活的改變。」研究者採取質性深度訪談，從福利接受者的觀點，了解新福利政策對其生活帶來的影響，這種研究設計是那一種典範？",6,{"webId":29,"stem":30,"number":31,"year":9,"session":10},"sw-107-1-research-methods-008","在社會科學研究中，把兩個或兩個以上的變項，依其互動的功能，有效簡單的陳列其類別一起交叉分析，就可在概念上創造新的類型。是屬於那一種理論模式？",8,{"webId":33,"stem":34,"number":35,"year":9,"session":10},"sw-107-1-research-methods-005","研究同一主題、特殊族群在經過一段相當時間後，其行為或現象的改變，這種研究對象來自同一母群體、相同性質，卻非原本的樣本，是指縱貫性研究中的那一種？",5,{"webId":37,"stem":38,"number":39,"year":9,"session":10},"sw-107-1-research-methods-009","下列何種抽樣方式不屬於非機率抽樣（nonprobability sampling）？",9,{"webId":41,"stem":42,"number":43,"year":9,"session":10},"sw-107-1-research-methods-004","如果我們知道變項 A 發生的時間在變項 B 之前，那麼我們可以很肯定地說下列何者是正確的？",4,{"webId":45,"stem":46,"number":47,"year":9,"session":10},"sw-107-1-research-methods-010","當我們把「宗教信仰」此一變項作如下分類：佛教、道教、基督教、天主教、回教，則我們可以說此變項具備下列何種重要特質？",10,1787299236310]