Sluggish cognitive tempo in adults: Psychometric validation of the Adult Concentration Inventory.
Becker SP, Burns GL, Garner AA, Jarrett MA, Luebbe AM, Epstein JN, Willcutt EG. Sluggish cognitive tempo in adults: Psychometric validation of the Adult Concentration Inventory. Psychol Assess. 2018 03; 30(3):296-310.