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. 2021 Jun 4;12:602581. doi: 10.3389/fpsyg.2021.602581

TABLE 3.

Mean, standard deviation, range, skew, and kurtosis for rating and semantic scales.

Measure M SD Range Skew Kurtosis
PHQ-9 8.41 6.96 27.00 0.51 –0.74
GAD-7 7.37 5.84 21.00 0.33 –0.97
PSWQ-8 25.01 9.87 32.00 –0.30 –1.07
SSS Worry bipolar 0.06 0.28 1.14 –0.67 –0.59
SSS Depression bipolar –0.01 0.24 0.95 –0.24 –1.22
SSS Depression unipolar 0.28 0.16 0.71 0.51 –0.57
SSS Worry unipolar 0.33 0.19 0.83 0.33 –0.88
Language-trained PHQ-9 8.39 3.85 15.31 –0.49 –1.03
Language-trained GAD-7 7.36 3.04 15.13 –1.03 0.29
Language-trained PSWQ-8 25.03 5.91 24.86 –1.13 0.13
Predicted valence of dep. words 5.21 1.44 5.78 0.19 –1.16
Predicted valence of wor. words 5.04 1.28 5.82 0.26 –1.09

PHQ-9, Patient Health Questionnaire-9; GAD-7, General Anxiety Disorder Scale-7; PSWQ-8, Penn State Worry Questionnaire Abbreviated; SSS, The Semantic Similarity Scale; Bipolar, the semantic similarity of the high norm minus the semantic similarity of the low norm.; Unipolar, the semantic similarity between semantic responses and a high (or low) word norm.; dep., depression; wor., worry.