Task accuracy showed a decreasing trend with an increasing number of replaced letters: RW (mean ± SD 86.4 ± 16.7 % ), RL1 ( 85.2 ± 14.6 % ), RL2 ( 67.8 ± 16.0 % ), and RL3 ( 49.9 ± 13.0 % ) (Figure 2 ).
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Task accuracy showed a decreasing trend with an increasing number of replaced letters: RW (mean ± SD 86.4 ± 16.7 % ), RL1 ( 85.2 ± 14.6 % ), RL2 ( 67.8 ± 16.0 % ), and RL3 ( 49.9 ± 13.0 % ) (Figure 2 ).