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Table 2 Paired-samples t-test for teacher and peer corrections

From: Peer assessment in an EFL context: attitudes and friendship bias

  Paired differences t df Sig. (2-tailed)
  Mean Std. deviation Std. error mean 95% Confidence interval of the difference    
     Lower Upper    
Friend and Non-Friend/Teacher Corrections .17 1.07 .21 -.26 .60 .827 25 .416
Friend/Teacher Corrections .01 1.35 .26 -.53 .56 .048 25 .962
Non-Friend/ Teacher Corrections .36 1.07 .21 -.08 .80 1.685 25 .104