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Method-oriented systematic review on the simple scale for acceptance measurement in advanced transport telematics
Fig 2
Boxplots of Cronbach’s α for the two sub-scales and the entire scale.
(A) usefulness, (B) satisfying, (C) entire scale. The threshold of Cronbach’s α = .80 is highlighted.
doi: https://doi.org/10.1371/journal.pone.0248107.g002