Children with attention-deficit/hyperactivity disorder (ADHD) commonly exhibit impairments in their executive functions. Caregivers are primarily responsible for the daily management of their children's ADHD and executive functioning difficulties. Psychoeducation, a cornerstone of ADHD treatment, can empower caregivers by providing them the knowledge and resources they require to support their child with ADHD. This study examined the efficacy of a suite of six caregiver psychoeducation sessions delivered by a specialised ADHD service. Two of these sessions pertained to (i) Understanding ADHD and (ii) Executive Functioning in ADHD. The other four covered information around Family Self-Care and Stress Management, Social Connectedness and Communication, Sensory Processing and Self-Regulation in ADHD and, Medication.

All sessions were delivered between May 2016 and July 2022, in 2 to 3-hour sessions each. Caregivers completed pre and post-session questionnaires, rating (i) their understanding of each of the topics, (ii) whether they identified effective strategies to help their child with ADHD meet their needs, and (iii) whether they improved their knowledge of resources they can access to assist with ADHD management. Altogether, 666 caregiver responses were collected across all sessions, 35% (n=234) of which were from the Understanding ADHD sessions and 4.2% (n = 28) from the Executive Functioning sessions.

Wilcoxon signed-rank tests with Bonferroni adjusted alpha level of 0.016 were conducted to examine each session's pre- and post-session responses. Results showed that the Understanding ADHD workshops impelled significant improvements in attendee-rated levels of topic understanding (z = -8.79, p <.001, r = -.41), strategies gained (z = -8.54, p <.001, r = -.40) and perceived resource accessibility (z = -6.40, p <.001, r = -.30). Attendees reported moderate to large improvements following the Executive Functioning in ADHD sessions, including in their topic understanding (z = -4.18, p <.001, r = -.57), strategies gained (z = -3.93, p <.001, r = -.54) and perceived resource accessibility (z = -4.23, p <.001, r = -.61). Improvements across all three areas were also noted across the other four caregiver sessions, except for the medication session where no significant changes in strategies gained and perceived access to resources were noted.

This study provides evidence that caregiver sessions within a Tier-4 service are efficacious and can (i) meet caregivers' needs to better understand ADHD, executive functioning difficulties as well as of other ADHD-related issues, and (ii) may equip caregivers with the knowledge to access resources to appropriately manage their children with ADHD - a possible precursor to improved clinical and functional outcomes in children. That the session on ADHD medications only led to improved understanding of the topic but not to perceived gains in strategies or perceived access to strategies could be attributed to low pre-and post-session questionnaire response rates as well as to the nature of those sessions which were purely informative and did not discuss strategies and resources. Nonetheless, longitudinal studies, with control groups, should determine whether any post-intervention improvements are sustained over time and should establish whether these are associated with improved outcomes in children.