NPar Tests
Notes

 Output Created                           05-AUG-2026 12:35:12                  
 Comments                                                                       
 Input     Data                           D:\opencode\spss-studio-mcp\examples\ 
                                          data\experiment_study.sav             
           Filter                         <none>                                
           Weight                         <none>                                
           Split File                     <none>                                
           N of Rows in Working Data File 120                                   
 Syntax                                   NPAR TESTS /M-W=posttest BY group(1   
                                          2).                                   
                                                                                
 Resources Processor Time                 00:00:00.02                           
           Elapsed Time                   00:00:00.02                           
           Number of Cases Allowed(a)     449389                                
a Based on availability of workspace memory.

D:\opencode\spss-studio-mcp\examples\data\experiment_study.sav
Mann-Whitney Test
Ranks

              实验分组 N   Mean Rank Sum of Ranks 
 后测成绩 训练组    57  72.90     4155.50      
              对照组    63  49.28     3104.50      
              Total        120                        

Test Statistics(a)

                        后测成绩 
 Mann-Whitney U         1088.500     
 Wilcoxon W             3104.500     
 Z                      -3.717       
 Asymp. Sig. (2-tailed) .000         
a Grouping Variable: 实验分组

