Child-parent dyads will undergo a standardized 8-week course of Making Mindfulness Matter© (M3). The program will be delivered online using live, interactive sessions to groups of 4 to 8, for 1.5 hours each week for the parent group and 1 hour each week for the child group. Children and parents will attend separate on-line sessions and at the end of each child session, the parent will be asked to join their child on-line for a shared mindful exercise. Once 4 to 8 dyads are assigned to the intervention group, participants will be given the baseline questionnaires and start the intervention in the following week.

Interventions:

Behavioural: Making Mindfulness Matter© (M3)

Child-parent dyads randomized to the control arm will continue treatment as usual. Once 4 to 8 dyads are assigned to the control group, participants will be given the baseline questionnaires, They will complete Follow-up questionnaire and extended follow up questionnaires at comparable times to families in the intervention arm. With one extra set of questionnaires at the completion of the intervention. These dyads will be provided with the intervention at the next scheduled session; the goal is to provide the intervention to controls as soon as possible to avoid differential attrition between the intervention and control arm. During the intervention sessions, they will complete all feasibility surveys pertaining to the intervention and their satisfaction with each intervention session.

Interventions:

Behavioural: Making Mindfulness Matter© (M3)

The M3© program offered online concurrently for parents and children (4-12 years of age). Each parent session is 90 minutes long, and each child session is 60 minutes long. Parents and children learn similar concepts, at developmentally appropriate levels.

At the start of each session, parents will complete a one-page (12-item) semi-structured questionnaire evaluating treatment fidelity, at home utilization of M3 skills. At the end of each session, parents will complete an overall feedback form on the intervention. Facilitators will complete a two-page questionnaire providing feedback on the session. At the start and end of the M3 program, children will be asked to complete a feeling face questionnaire rated on a 3-point scale about topics discussed in the group such as how our brain works when upset and what is mindfulness. The minimum score being 0 with the highest score being 10 where the higher the score means the better the outcome.

Peds Quality of life (PedsQL) is a 23-item measure for children ages 2-18 years that emphasizes a functional approach to quality of life by examining the child's sense of well-being and ability to engage in physical and social activities, to concentrate, think and remember, and to regulate behaviour. Generates an overall Peds-QL score, and four subscale scores: cognitive, emotional, social, and physical functioning. Parent report is obtained for children <6 years old.

The investigators will calculate the minimum clinically important difference (MCID). To calculate the MCID for the Peds-QL, the Patient Centred Global Ratings of Change will be used, a 5-item scale where respondents indicate the amount of change relative to baseline. Rating from -7 (much worse) through 0 (no change) to +7 (much better). This information will allow us to calculate the MCID for the Ped-QL, and thereby identify the proportion of patients who experience a clinically meaningful change following intervention.

Parenting Stress Index 4 - short form 36-item scale that helps identify sources of stress. Focused on three major domains of stress: child characteristics, parent characteristics, and situational/demographic factors. A summary and 3 subscale (Parental Distress, Parent-Child Dysfunctional Interaction and Difficult Child) scores are generated. Scores in the 81st percentile or higher are indicative of high stress.