ADHD MEAN_f1 SD_f1 Nf1
0 50.48397 10.15637 136
1 47.64963 10.20097 108
## 
##  Welch Two Sample t-test
## 
## data:  SCALL_F1_Tscore by ADHD
## t = 2.1599, df = 229.2, p-value = 0.03182
## alternative hypothesis: true difference in means between group 0 and group 1 is not equal to 0
## 95 percent confidence interval:
##  0.248735 5.419947
## sample estimates:
## mean in group 0 mean in group 1 
##        50.48397        47.64963

ADHD MEAN_f2 SD_f2 Nf2
0 47.16949 8.019016 136
1 50.19269 8.172588 108
ADHD MEAN_f3 SD_f3 Nf3
0 28.09912 7.953206 136
1 30.84680 9.142202 108
ADHD MEAN_f4 SD_f4 Nf4
0 46.32449 9.320813 136
1 46.35759 8.964670 108
## 
##  Welch Two Sample t-test
## 
## data:  SCALL_F1_Tscore by ADHD
## t = 2.1599, df = 229.2, p-value = 0.03182
## alternative hypothesis: true difference in means between group 0 and group 1 is not equal to 0
## 95 percent confidence interval:
##  0.248735 5.419947
## sample estimates:
## mean in group 0 mean in group 1 
##        50.48397        47.64963

## 
##  Welch Two Sample t-test
## 
## data:  SCALL_F2_Tscore by ADHD
## t = -2.894, df = 227.68, p-value = 0.004173
## alternative hypothesis: true difference in means between group 0 and group 1 is not equal to 0
## 95 percent confidence interval:
##  -5.0815911 -0.9648087
## sample estimates:
## mean in group 0 mean in group 1 
##        47.16949        50.19269
## 
##  Welch Two Sample t-test
## 
## data:  SCVERBAL_Tscore by ADHD
## t = -1.3021, df = 40.657, p-value = 0.2002
## alternative hypothesis: true difference in means between group 0 and group 1 is not equal to 0
## 95 percent confidence interval:
##  -7.010385  1.515031
## sample estimates:
## mean in group 0 mean in group 1 
##        28.09912        30.84680
## 
##  Welch Two Sample t-test
## 
## data:  RRB_raw_Tscore by ADHD
## t = -0.028153, df = 233.3, p-value = 0.9776
## alternative hypothesis: true difference in means between group 0 and group 1 is not equal to 0
## 95 percent confidence interval:
##  -2.350005  2.283790
## sample estimates:
## mean in group 0 mean in group 1 
##        46.32449        46.35759