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Table 7 Convergent validity of SUS and CSQ-3

From: Dimensionality of the system usability scale among professionals using internet-based interventions for depression: a confirmatory factor analysis

ItemSpearman correlation with SUS total score (CI)
CSQ1. Have the needs been met?0.49 (0.39 to 0.58)a
CSQ2. Overall satisfaction?0.46 (0.35 to 0.55)a
CSQ3. Provide treatment again?0.38 (0.26 to 0.48)a
  1. CI 95% confidence interval, aCorrelation is significant at 0.001