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. 2015 Jun 13;12:53. doi: 10.1186/s12984-015-0044-2

Fig. 4.

Fig. 4

Average responses for each level of performance. The average Likert score for each level of performance is shown separately for the discrete (a) and cumulative (b) wording. The levels are labeled 1–6 for clarity. (Refer to Table 1 for the exact wording of each level). Error bars represent 95 % confidence intervals