Comment on

• Child-therapist and parent-therapist alliance and therapeutic change in the treatment of children referred for oppositional, aggressive, and antisocial behavior.

  Kazdin AE, Whitley M, Marciano PL. Kazdin AE, et al. J Child Psychol Psychiatry. 2006 May;47(5):436-45. doi: 10.1111/j.1469-7610.2005.01475.x. J Child Psychol Psychiatry. 2006. PMID: 16671927
• Assessing medication effects in the MTA study using neuropsychological outcomes.

  Epstein JN, Conners CK, Hervey AS, Tonev ST, Arnold LE, Abikoff HB, Elliott G, Greenhill LL, Hechtman L, Hoagwood K, Hinshaw SP, Hoza B, Jensen PS, March JS, Newcorn JH, Pelham WE, Severe JB, Swanson JM, Wells K, Vitiello B, Wigal T; MTA Cooperative Study Group. Epstein JN, et al. J Child Psychol Psychiatry. 2006 May;47(5):446-56. doi: 10.1111/j.1469-7610.2005.01469.x. J Child Psychol Psychiatry. 2006. PMID: 16671928 Clinical Trial.
• Infrequent, but not frequent, reinforcers produce more variable responding and deficient sustained attention in young children with attention-deficit/hyperactivity disorder (ADHD).

  Aase H, Sagvolden T. Aase H, et al. J Child Psychol Psychiatry. 2006 May;47(5):457-71. doi: 10.1111/j.1469-7610.2005.01468.x. J Child Psychol Psychiatry. 2006. PMID: 16671929 Clinical Trial.
• Institutional care: associations between inattention and early reading performance.

  Roy P, Rutter M. Roy P, et al. J Child Psychol Psychiatry. 2006 May;47(5):480-7. doi: 10.1111/j.1469-7610.2005.01526.x. J Child Psychol Psychiatry. 2006. PMID: 16671931