• Barkley, R.A. (1991). The ecological validity of laboratory and analogue assessment methods of ADHD symptoms. Journal of Abnormal Child Psychology, 19, 149178.
  • Conners, C.K. (1999). Clinical use of rating scales in diagnosis and treatment of attention-deficit/hyperactivity disorder. Pediatric Clinics of North America, 46, 857870.
  • Gonzales, M.A., Pentikis, H.S., Anderl, N., Benedict, M.F., DeCory, H.H., Dirksen, S.J., & Hatch, S.J. (2002). Methylphenidate bioavailability from two extended-release formulations. International Journal of Clinical Pharmacology and Therapeutics, 40, 175184.
  • Goodman, R., Ford, T., Simmons, H., Gatward, R., & Meltzer, H. (2000). Using the Strenghts and Difficulties Questionnaire (SDQ) to screen for child psychiatric disorders in a community sample. British Journal of Psychiatry, 177, 543539.
  • Hale, J.B., Fiorello, C.A., & Brown, L.L. (2005). Determining medication treatment effects using teacher ratings and classroom observations of children with ADHD: Does neuropsychological impairment matter ?. Educational and Child Psychology, 22, 3961.
  • Hale, J.B., Hoeppner, J.B., DeWitt, M.B., Coury, D.L., Ritacco, D.G., & Trommer, B. (1998). Evaluating medication response in ADHD: Cognitive, behavioural, and single-subject methodology. Journal of Learning Disabilities, 31, 595607.
  • Heiser, P., Frey, J., Smidt, J., Sommerlad, C., Wehmeier, P.M., Hebebrand, J., & Remschmidt, H. (2004). Objective measurement of hyperactivity, impulsivity, and inattention in children with hyperkinetic disorders before and after treatment with methylphenidate. European Child & Adolescent Psychiatry, 13, 100104.
  • Hoeppner, J.B., Hale, J.B., Bradley, A., Byrns, M., Coury, D.L., & Trommer, B.L. (1997). A clinical protocol for determining methylphenidate dosage levels in ADHD. Journal of Attention Disorders, 2, 1930.
  • Konrad, K., Gunther, T., Hanisch, C., & Herpertz-Dahlmann, B. (2004). Differential effects of methylphenidate on attentional functions in children with attention-deficit/hyperactivity disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 43, 191198.
  • Martins, S., Tramontina, S., Polanczyk, G., Eizirik, M., Swanson, J.M., & Rohde, L.A. (2004). Weekend holidays during methylphenidate use in ADHD children: a randomized clinical trial. Journal of Child and Adolescent Psychopharmacology, 14, 195206.
  • Pelham, W.E., Gnagy, B.S., Burrows-Maclean, L., Williams, A., Fabiano, G.A., Morrisey, S.M., Chronis, A.M., Forehand, G.L., Nguyen, C.A., Hoffman, M.T., Lock, T.M., Fiebelkorn, K., Coles, E.K., Panahon, C.J., Steiner, R.L., Meichenbaum, D.L., Onyango, A.N., & Morse, G.D. (2001). Once-a-day concerta methylphenidate versus three-times-daily methylphenidate in laboratory and natural settings. Pediatrics, 107, 115.
  • Purdie, N., Hattie, J., & Carroll, A. (2002). A review of the research on interventions for attention deficit hyperactivity disorder: Which treatment works best ?. Review of Educational Research, 72, 61100.
  • QbTest & QbTest-Plus Technical Manual v. 1.2 (2006). Gothenburg, Sweden: QBTech AB.
  • Riccio, C.A., Waldrop, J.J.M., Reynolds, C.R., & Lowe, P. (2001). Effects of stimulants on the continuous performance test (CPT). Journal of Neuropsychiatry and Clinical Neurosciences, 13, 326335.
  • Swanson, J.M., Wigal, S.B., Wigal, T., Sonuga-Barke, E., Greenhill, L.l., Biederman, J., Kollins, S., Nguyen, A.S., DeCory, H.H., Hirshey-Dirksen, S.J., Hatch, S.J., & COMACS Study Group (2004). A comparison of once-daily extended-release methylphenidate formulations in children with attention-deficit/hyperactivity disorder (ADHD). Pediatrics, 113, 754761.
  • Tabori-Kraft, J., Sorensen, M.J., Kaergaard, M., Dalsgaad, S., & Thomsen, P.H. (2007). Is OPTAx useful for monitoring the effect of stimulants on hyperactivity and inattention?. European Child & Adolescent Psychiatry, 16, 347351.
  • Teicher, MH., Polcari, A., & McGreenery, CE. (2008). Utility of Objective Measures of Activity and Attention in the Assessment of Therapeutic Response to Stimulants in Children with Attention-Deficit/Hyperactivity Disorder. Journal of Child and Adolescent Psychopharmacology, 18, 265270.
  • Teicher, M.H., Lowen, S.B., Polcari, A., Foley, M., & McGreenery, C.E. (2004). Novel strategy for the analysis of CPT data provides new insight into the effects of methylphenidate on attentional states in children with ADHD. Journal of Child and Adolescent Psychopharmacology, 14, 219232.
  • Teicher, M.H., Polcari, A., Anderson, C.M., Anderson, S.L., Lowen, S.B., & Navalta, C.P. (2003). Rate dependency revisited: Understanding the effects of methylphenidate in children with attention deficit hyperactivity disorder. Journal of Child and Adolescent Psychopharmacology, 13, 4151.
  • Teicher, M.H., Ito, Y., Glod, C.A., & Barber, N.I. (1996). Objective measurement of hyperactivity and attentional problems in ADHD. Journal of the American Academy of Child and Adolescent Psychiatry, 35, 334342.