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Graphical representation of the Grooved Pegboard Test performed with and without a secondary task. The significativity has been indicated with ∗∗∗: p < 0.001; and ∗p < 0.05. GPT: grooved pegboard test; GPTbest: grooved pegboard test with the best performance after 8 repetitions; GPT-CBT: grooved pegboard test in combination with the counting backward task; GPT-FTT: grooved pegboard test in combination with the finger tapping test.
