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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: J Atten Disord. 2018 May 20;23(14):1703–1710. doi: 10.1177/1087054718776468

Table 2.

Exploratory Factor Analysis of SCT Scale Items.

Factor 1:
Sleepy/sluggish
Factor 2:
Slow
Factor 3:
Daydreamy
Lethargic .849
Drowsy .849
Apathetic .820
Underactive .818
Sluggish .737
Yawning .735
Unmotivated .391
Slow/delayed .733
Needs extra time .661
Lacks initiative .654
Effort fades .592
Lost in thoughts .751
Daydreams .716
In own world .607

Note. Factor loadings below .25 suppressed. SCT = Sluggish Cognitive Tempo.