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Table 10 Alpha score: cross-disability communication NASA-TLX data

From: Rethinking self-reported measure in subjective evaluation of assistive technology

  Alpha value (unweighted) Alpha value (weighted)
All items 0.3467 0.2450
Mental load −0.1234 −0.1132
Physical load 0.1265 −0.3247
Temporal load 0.4267 −0.2150
Effort level 0.4765 0.3369
Performance level 0.5427 0.1176
Frustration level 0.1247 0.0129