Table 1

Outcomes measures
Measure Informant T1 T2 T3
Primary outcomes Creature counting: subtest of Test of Everyday Attention for Children [18], measures attentional control and switching child * * *
Score!: subtest of Test of Everyday Attention for Children [18], measures sustained attention child * * *
Digit span: subtest of Wechsler Intelligence Scale for Children-III [19], measures verbal working memory child * * *
Span board: subtest of Wechsler Non Verbal [21], measures visual working memory child * * *
Word list interference: subtest from Nepsy-II-nl [20], this subtest is designed to asses verbal working memory, repetition and word recall following interference. child * * *
Six part test: subtest from Behavioural Assessment of the Dysexecutive Syndrome for Children [22], measures planning, task scheduling and performance monitoring child * * *
Inhibition: subtest from nepsy-II-nl [20], measures the ability to inhibit automatic responses in favor of novel responses and the ability to switch between respons types. child * * *
Behaviour Rating of Executive Functions (BRIEF): 70 item questionnaire designed to assess executive functioning in the home and school environments [23] parent/teacher * * *
Dictation (PI dictee, 16): measures spelling skills child * * *
Automated math (Tempo Test Automatiseren,15): measures degree of automation of addition, subtraction, multiplication and division. child * * *
Speed reading (Een Minuut Test, 17): measures technical literacy child * * *
Comprehension of instruction: subtest from nepsy-II-nl [20], measures the ability to receive, process and execute oral instructions of increasing syntactic complexity. child * * *
Secondary outcomes Learning conditions test (Leervoorwaarden test, 24): 70 item questionnaire that measures directly and indirectly learning conditions as concentration, motivation, work rate, task orientation, working according to a plan, persistency, social position in class and relationship with peers and teacher. teacher * * *
Child Behavior Checklist for Ages 6–18 (CBCL/6-18, 25): 113 item questionnaire designed to measure behaviour problems. parent * * *
Teacher’s Report Form for Ages 6–18 (TRF, 26): 113 item questionnaire designed to measure behaviour problems. teacher * * *
I-DISC-IV (Diagnostic Interview Schedule for Children, 27): structured diagnostic telephonic interview, registered via the internet. Measures presence of symptoms and criteria variables as defined by the DSM-IV [14]. Only the domains ADHD, ODD and CD are administered. parent *
Social Communication Questionnaire (SCQ, 28): is a quick screening questionnaire of 40 items for autism spectrum disorders. parent *
Kidscreen 27[29]: 27 item questionnaire that measures quality of life with the dimensions physical well-being, psychological well-being, autonomy & parents, peers & social support and school environment. child/parent * * *
Intelligence Quotient ** Shortened version of Wechsler Intelligence Scale for ChildrenIII[19]: subtest Similarities, Block Design, Vocabulary and Information which gives an estimation of the Total IQ child *

T1 = baseline T2 = directly after treatment T3 = follow up after 6 months.

** Intelligence Quotient is only administered if IQ data are not available or when an IQ test has been administered more than two years ago.

van der Donk et al.

van der Donk et al. BMC Psychiatry 2013 13:23   doi:10.1186/1471-244X-13-23

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