[{"data":1,"prerenderedAt":48},["ShallowReactive",2],{"q-sw-110-2-research-methods-012":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-110-2-社會工作研究方法-012","sw-110-2-research-methods-012",110,2,false,12,"為了解一群人每週工作時數的離散分布情形，下列方法何者正確？",{"A":15,"B":16,"C":17,"D":18},"找出極端值","計算中位數","計算眾數","計算平均數與標準差","D",null,[],"本題考點是描述「離散（分散）程度」的統計量選擇。依描述統計原理，要呈現一群數值「彼此分散、偏離中心的程度」，最適當的是變異量數，其中標準差配合平均數，能同時提供集中趨勢與離散幅度，故選 D「計算平均數與標準差」。標準差越大表示每週工時越參差不齊。A 找出極端值只看到兩端個別值，無法量化整體分散程度。B 中位數是集中趨勢量數（把資料排序取中點），描述中心位置而非離散。C 眾數也是集中趨勢量數（出現次數最多的值），同樣不反映分散。唯 D 屬離散量數並搭配集中量數，正解為 D。",1,[25,29,32,36,40,44],{"webId":26,"stem":27,"number":23,"year":28,"session":23},"sw-106-1-research-methods-001","什麼是社會工作研究的第一步？",106,{"webId":30,"stem":31,"number":10,"year":28,"session":23},"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：",{"webId":33,"stem":34,"number":35,"year":28,"session":23},"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":28,"session":23},"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":28,"session":23},"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":28,"session":23},"sw-106-1-research-methods-006","關於演繹法的說明，何者有誤？",6,1784109496868]