[{"data":1,"prerenderedAt":46},["ShallowReactive",2],{"q-sw-106-2-research-methods-003":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-003","sw-106-2-research-methods-003",106,2,false,3,"在統計假設檢定裡，檢定之前我們會先設定顯著水準 α ，並根據樣本資料計算檢定的統計量，再檢視此統計量在虛無假設成立的情況下屬於這個分配的機率 P（P-value 或 P 值）。下列有關 P 與 α 敘述，何者錯誤？",{"A":15,"B":16,"C":17,"D":18},"α 是判斷樣本統計量是否因機會產生的門檻機率，在檢定前必須確定","在固定的顯著水準 α 下，雙尾檢定與單尾檢定的臨界點是不同的","根據同一批資料，在單尾或雙尾檢定其 P 值是相同的","當 P >α 時，檢定的結果須拒絕虛無假設","D",null,[],"本題考點是顯著水準 α 與 P 值的判定規則。依統計假設檢定原理,決策規則為:當 P ≤ α 時拒絕虛無假設,判定結果達統計顯著;當 P > α 時「不能拒絕」虛無假設。D 說 P>α 時須拒絕虛無假設,把決策規則完全說反,是明確的錯誤敘述,故選 D。A 正確,α 是研究者在檢定前就必須設定的門檻機率,用以判斷樣本統計量是否可歸因於機遇;B 正確,固定 α 之下,雙尾檢定把 α 平分於分配兩端,其臨界點與單尾檢定不同;C 在本題官方認定下視為正確,著眼於同一批資料計算出的檢定統計量相同。",1,[25,28,31,34,38,42],{"webId":26,"stem":27,"number":23,"year":9,"session":23},"sw-106-1-research-methods-001","什麼是社會工作研究的第一步？",{"webId":29,"stem":30,"number":10,"year":9,"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":32,"stem":33,"number":12,"year":9,"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？",{"webId":35,"stem":36,"number":37,"year":9,"session":23},"sw-106-1-research-methods-004","關於信效度的說明，下列何者正確？",4,{"webId":39,"stem":40,"number":41,"year":9,"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":43,"stem":44,"number":45,"year":9,"session":23},"sw-106-1-research-methods-006","關於演繹法的說明，何者有誤？",6,1784109472048]