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Comparing the effects of different factors on the subjects' performance in computer access and powered wheelchair control tasks through the ITR from the CA-3 session and wheelchair navigation speed and number of collision from the PWCN session by (a, b) younger (age ≤ 50) versus older (age > 50) subjects, (c, d) subjects with shorter (≤6 months) versus longer (>6 months) duration of injury and (e, f) female versus male subjects.
