[{"data":1,"prerenderedAt":49},["ShallowReactive",2],{"q-sw-106-2-research-methods-010":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-010","sw-106-2-research-methods-010",106,2,false,10,"信賴區間乃利用樣本統計量（sample statistic）加上誤差的考量，形成數值區間來推論群體的參數（population parameter），下列有關「信賴區間」的敘述，何者錯誤？",{"A":15,"B":16,"C":17,"D":18},"信賴區間的寬窄會受到樣本大小及群體標準差大小的影響","當樣本增大時信賴區間的寬度會變窄","信心水準愈高其信賴區間寬度會愈窄","在常態分配下樣本平均數約有 95%的機會落在群體平均數±1.96 個標準誤之內","C",null,[],"本題考點是信賴區間寬度的影響因素。依推論統計的區間估計原理,信賴區間寬度取決於「臨界值×標準誤」,而標準誤=群體標準差除以樣本數平方根;信心水準愈高,臨界值愈大(95% 用 1.96,99% 用 2.58),區間必然「愈寬」而非愈窄,C 敘述錯誤,本題選錯誤者,故選 C。A 樣本大小與群體標準差都透過標準誤影響區間寬窄,正確;B 樣本增大使標準誤變小、區間變窄,正確;D 常態分配下,樣本平均數約有 95% 的機會落在群體平均數 ±1.96 個標準誤之內,正確。",1,[25,29,33,37,41,45],{"webId":26,"stem":27,"number":28,"year":9,"session":10},"sw-106-2-research-methods-009","在貧富差距很大的國家，有很多低所得的國民，有較少的中產階級，有為數更少的富裕階級，這個國家國民所得的分配，最有可能是下列何種分配狀況？",9,{"webId":30,"stem":31,"number":32,"year":9,"session":10},"sw-106-2-research-methods-011","有關問卷設計一些相關注意事項，下列敘述何者錯誤？",11,{"webId":34,"stem":35,"number":36,"year":9,"session":10},"sw-106-2-research-methods-008","下列有關測量誤差的敘述，何者錯誤？",8,{"webId":38,"stem":39,"number":40,"year":9,"session":10},"sw-106-2-research-methods-012","下列有關測量尺度的敘述，何者正確？",12,{"webId":42,"stem":43,"number":44,"year":9,"session":10},"sw-106-2-research-methods-007","量化研究與質性研究有不同的抽樣方法取得研究樣本，下列那一抽樣方法較適合量化研究抽樣？",7,{"webId":46,"stem":47,"number":48,"year":9,"session":10},"sw-106-2-research-methods-013","在抽樣的過程中，從群體到樣本，涵蓋不同數目的抽樣單位，下列何者排列符合「由多而少」的抽樣範圍？",13,1787299241783]