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Table 5 Means, standard deviations, minimum and maximum for all SRSDA subscales conceming their test, retest, average and difference between the two applications. The two columns to the right represent the division of the minimum and maximum difference to the standard deviation of the difference. It is desirable these values to be generally between ±2. It is obvious that some minor problems exist with melancholia and mania subscales

From: The greek translation of the symptoms rating scale for depression and anxiety: preliminary results of the validation study

  Valid N Mean Minimum Maximum Std. Dev. Lower deviance in SDs Upper deviance in SDs
BDI-I-21        
test 20 10.85 0.00 24.00 8.19   
retest 20 10.80 0.00 27.00 9.50   
average 20 10.83 0.50 23.50 8.65   
difference 20 0.05 -7.00 8.00 3.89 -1.80 2.06
BDI-I-13        
test 20 5.25 0.00 13.00 4.24   
retest 20 4.85 0.00 13.00 5.20   
average 20 5.05 0.00 11.50 4.55   
difference 20 0.40 -4.00 5.00 2.72 -1.47 1.84
Melancholia subscale        
test 20 6.30 0.00 16.00 4.78   
retest 20 6.40 0.00 17.00 5.40   
average 20 6.35 0.00 14.50 4.94   
difference 20 -0.10 -6.00 4.00 2.53 -2.37 1.58
Asthenia subscale        
test 20 6.05 0.00 12.00 4.11   
retest 20 6.40 0.00 14.00 4.89   
average 20 6.23 0.00 12.00 4.27   
difference 20 -0.35 -5.00 4.00 2.94 -1.70 1.36
Anxiety subscale        
test 20 6.75 0.00 17.00 5.54   
retest 20 7.65 0.00 19.00 6.53   
average 20 7.20 0.00 15.00 5.72   
difference 20 -0.90 -8.00 5.00 3.99 -2.01 1.25
Mania subscale        
test 20 -0.50 -2.00 0.00 0.69   
retest 20 -0.55 -2.00 0.00 0.69   
average 20 -0.53 -2.00 0.00 0.68   
difference 20 0.05 0.00 1.00 0.22 0.00 4.55