Table 1

Schedule of measures

Outcome	Measure	Administration		Timepoint
Outcome	Measure	Participant	Parent	Screening	Pretraining	Post-training
Screening
ADHD symptoms	Conners-3		x	x
FSIQ	Kaufman Brief Intelligence Test - Second Edition	x		x
Demographics	Demographic questionnaire		x	x
Primary outcome
Response inhibition	Anticipated response task	x			x	x
Secondary outcomes
Cognitive attention	Attention network task	x			x	x
Behavioural attention	Strengths and Weaknesses of ADHD and Normal Behaviour		x		x	x
Risk-taking	Balloon Analogue Risk Task - Youth	x			x	x
Verbal working memory	Digit span	x			x	x
Impulsivity	UPPS-P	x			x	x
Executive function	BRIEF-2	x	x		x	x
Emotion regulation	Perth Emotion Regulation Competency Inventory	x			x	x
Social skills	Social Skills Questionnaires	x			x	x
Quality of life	Assessment of Quality of Life	x			x	x
Additional measures
Autism features	Social Responsiveness Scale - Second Edition		x	x
Family functioning	Family Assessment Device		x		x	x
Anxiety	Spence Children’s Anxiety Scale	x			x	x
Behavioural and emotional problems	Child Behavior Checklist		x		x	x
Emotion recognition	NEPSY-II	x			x
Theory of mind	NEPSY-II	x			x

ADHD, attention deficit hyperactivity disorder; BRIEF-2, Behavior Rating Inventory Executive Function, 2nd edition; FSIQ, Full Scale Intelligence Quotient; NEPSY-II, NEPSY 2nd Edition; SWAN, Strengths and Weaknesses of ADHD and Normal Behavior; UPPS-P, Urgency, Premeditation, Perseverance, Sensation Seeking, and Positive Urgency.