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belstaff milano rsp yrs zfv oxh

 
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Cholerny Spammer



Joined: 03 Mar 2011
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PostPosted: Sun 20:17, 20 Mar 2011    Post subject: belstaff milano rsp yrs zfv oxh

健康教育对老年食管癌患者生活质量影响的调查分析
目的选用合适的方法,或者几种方法综合应用,再结合量表的信度、效度、灵敏度及可操作性来决定条目的取舍。由于本量表主要用于临床评价,[link widoczny dla zalogowanych],比如测量观察对象不同时期的变化情况等,[link widoczny dla zalogowanych],因此要求的灵敏度较高,在筛选条目时也应将条目的灵敏度考虑进去。所以那些不能体现干预措施所引起的改变的条目不应被保留.否则将会降低量表的灵敏度H1。例如,对于患严重骨质疏松症的人而言,[link widoczny dla zalogowanych],不能做大运动量的运动是常见的问题,现有的干预措施也不足以能令他们完成类似的运动,因此有关较大运动量的问题就应从评价量表中被淘汰,[link widoczny dla zalogowanych]。另外,在研究中发现,虽然一些条目(如条目7.3)的选择频数较为集中,在横断面调查时判别力较差,[link widoczny dla zalogowanych],但通过考评发现其对治疗的敏感性较大,也予以保留。【


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