“…Models of ADHD and clinical observation suggest that children with ADHD have sense of time perception and time management deficits (Quartier et al, 2010). Empirically, this deficit has been investigated using time production tasks (e.g., Barkley et al, 1997;Cappella, Gentile, & Juliano, 1977) and time reproduction tasks (e.g., Barkley et al, 2001;McGee et al, 2004;Rommelse, Oosterlaan, Buuitelaar, Faraone, & Sergeant, 2007;Smith, Tyler, Rogeres, Newman, & Rubia, 2002;West et al, 2000). In these tasks, children with ADHD performed less accurately (i.e., tended to underestimate target duration) and more variably, especially as the target duration increased.…”