Table 1 Measurements
Measure | Informant | T0 | T1 | T2 | T3 | |
|---|---|---|---|---|---|---|
Selection fase | Shortened version of the Wechsler Intelligence Scale for Children-III-NL: subtest Information, Vocabulary, Picture Completion, Block Design, Digit Span, which gives an estimation of the Total IQ** | child | * | |||
Diagnostic Interview Schedule for Children (DISC-IV): structured diagnostic interview, registered via the internet, Measures presence of symptoms and criteria variables as defined by the DSM-IV. Only domains ADHD (inclusion criterion) and major depression, bipolar disorder, psychotic disorder, conduct disorder and general anxiety disorder (exclusion criteria) are administered. | parent | * | ||||
Social Communication Questionnaire (SCQ): a quick screening questionnaire of 40 items for autism spectrum disorders. | parent | * | ||||
Primary outcome | Backward block recall: subtest from the Working Memory Test battery for Children, measures visual working memory. | child | * | * | * | |
Secondary outcome | Spatial span: subtest from Automated Working Memory Assessment, measures visual working memory | child | * | * | * | |
Backward digit recall: subtest from the Working Memory Test battery for Children, measures verbal working memory. | child | * | * | * | ||
Listening recall: subtest from the Working Memory Test Battery for Children, measures verbal working memory. | child | * | * | * | ||
Sustained Attention Dots: subtest from the Amsterdam Neuropsychology Test battery, measures sustained attention. | child | * | * | * | ||
Go-Nogo: subtest from the Amsterdam Neuropsychology Test battery, measures the ability to inhibit automatic responses. | child | * | * | * | ||
Comprehension of instruction: subtest from Nepsy-II-nl, measures the ability to receive, process and execute oral instruction of increasing syntactic complexity. | child | * | * | * | ||
Speed math (Tempo Test Rekenen): measures degree of automation of addition, subtraction, multiplication and decision. | child | * | * | * | ||
Speed reading (Een minuut test): measures technical literacy speed. | child | * | * | * | ||
Vragenlijst voor Inventarisatie van Sociaal gedrag van Kinderen (VISK): measures symptoms of ASD on a 4-point Likert scale. | parent/ teacher | * | * | * | ||
ADHD Vragenlijst (AVL): assess symptoms of ADHD on a 4-point Likert scale | parent/ teacher | * | * | * | ||
Behavior Rating Inventory of Executive Function checklist (BRIEF): 70 item questionnaire designed to assess executive functioning on a 3-point Likert scale in home and school environments. | parent/ teacher | * | * | * | ||
Alabama Parenting Questionnaire (APQ): assess parenting style and indirectly coaching style on a 5-point Likert scale. | parent | * | * | * |