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未分类 – 第 2 页 – 北京万方助研

Q: 单样本T检验

SPSS新手教程1：单样本T检验 例题：已知去年某年级同学平均身高168cm，求今年学生身高是否与去年有差异？ 1、将今年学生身高输入SPSS，依次点击“分析-比较均值-单样本T检验（s）” 2、将“身高”作为变量，进行设定，同时点击“选项”将置信百分比设置为95%，点击继续-确定。 3、确定之后，系统会分析出结果，我们会发现身高p值=0.018<0.05,这个就说明今年的学生身高与去年的学生身高之间存在显著差异。

Q: 医学SCI常用数据库

医学SCI常用数据库 外文文摘库：MEDLINE，EMBASE，BIOSISPreview，SciFinder 中文文摘库：CBM，CBA。 外文全文库：OVID，SpringerLink，PML，Blackwell，Elsevier，Wiley，EBSCO 中文全文库：cqvip，CNKI，万方 循证医学库：Ovid循证医学数据库 药物数据库：Micromedex临床暨医药学数据库 学位论文库：外文PQDD,中文万方博硕论文库 综合性数据库：Web of Knowledge

Q: 国外期刊免费下载方式

国外期刊免费下载方式 http://sci-hub.se http://sci-hub.st http://sci-hub.do

Q: 国内期刊免费下载方式

国内期刊免费下载方式 广西壮族自治区图书馆 http://www.gxlib.org.cn/ 注册并登陆以后，可以免费下载万方、知网等数据库的文献。

单样本T检验

SPSS新手教程1：单样本T检验例题：已知去年某年级同学平均身高168cm，求今年学生身高是否与去年有差异？ 1、将今年学生身高输入SPSS，依次点击“分析-比较均值-单样本T检验（s）” 2、将“身高”作为变量，进行设定，同时点击“选项”将置信百分比设置为95%，点击继续-确定。 3、确定之后，系统会分析出结果，我们会发现身高p值=0.018<0.05,这个就说明今年的学生身高与去年的学生身高之间存在显著差异。

发布者 hanxue|2021-01-12T17:05:48+08:0014 11 月, 2020|未分类|0条评论

RevMan新手教程:5：漏斗图绘制

RevMan新手教程:5：漏斗图绘制马上更新，敬请期待...

发布者 hanxue|2021-01-12T17:06:08+08:0014 11 月, 2020|未分类|0条评论

RevMan新手教程:4：森林图绘制

RevMan新手教程:4：森林图绘制马上更新，敬请期待...

发布者 hanxue|2021-01-12T17:06:29+08:0014 11 月, 2020|未分类|0条评论

医学SCI常用数据库

医学SCI常用数据库外文文摘库：MEDLINE，EMBASE，BIOSISPreview，SciFinder 中文文摘库：CBM，CBA。外文全文库：OVID，SpringerLink，PML，Blackwell，Elsevier，Wiley，EBSCO 中文全文库：cqvip，CNKI，万方循证医学库：Ovid循证医学数据库药物数据库：Micromedex临床暨医药学数据库学位论文库：外文PQDD,中文万方博硕论文库综合性数据库：Web of [...]