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Table 3 The change scores used in MFNU in test-retest procedures

From: Methylphenidate improves motor functions in children diagnosed with Hyperkinetic Disorder

  Change score
Neg. change across two categories -3
Neg. change across one category -2
Neg. change within same category -1
No change 0
Pos. change within same category 1
Pos. change across one category 2
Pos. change across two categories 3