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Table 3 Measures of central tendency in Wisconsin Card Sorting Test—WCST of the ten subjects in pretest and posttest

From: Cognitive flexibility training intervention among children with autism: a longitudinal study

  Mean SD Minimum Maximum
N = 10 Pre Post Pre Post Pre Post Pre Post
Number of trials administered 123.3 117.7 14.9 19.4 81 68 128 128
Total number of correct answers 60.4 68.1 25.8 19.9 32 35 102 94
Total number of errors 62.9 49.7 31.4 29.4 11 4 96 93
Number of perseverative responses 58.6 31.9 46.9 30.3 6 1 127 88
Number of perseverative errors 46.3 26.1 34.5 23.8 6 1 95 71
Number of categories completed 2.1 3.8 2.4 2.2 0 0 6 6
Number of trials to complete the 1st category 61 34.5 58.7 37.2 10 10 129 128
Failure to maintain set 1.2 1.6 1.5 1.7 0 0 4 4