Child Psychology Commons^™

Disordered Eating Behaviours In Adolescents With And Without A Formal Ed Diagnosis: Comparing Individual And Contextual Factors, Eve G. Chapnik

Electronic Thesis and Dissertation Repository

This study explored various psychosocial factors associated with disordered eating in adolescents accessing mental health services across Ontario, Canada. Data were collected using the interRAI Child and Youth Mental Health (ChYMH) assessment tool and participants were categorized into three groups: individuals with diagnosed eating disorders (ED, n=207), disordered eating without a formal ED diagnosis (sub-ED, n=888), and other treatment-seeking youth (non-ED, n=3285). The ED and sub-ED groups did not differ in many ways, presenting with a similarly greater prevalence of mental health issues, and dysfunctional family and peer relationships, in comparison to non-ED youth. However, the ED …

Professionals' Application Of Intersectionality With Marginalized Youth: Considerations For Teen Dating Violence Prevention Programming And Beyond, Bradley Kyle Daly

Electronic Thesis and Dissertation Repository

Marginalized youth disproportionality experience adverse outcomes such as increased rates of mental health issues and teen dating violence. Addressing their compounding concerns requires an approach that considers their interlocking marginalized identities and the oppressive systems impacting them. Intersectionality incorporates both elements, yet the literature on how frontline practitioners understand and apply this complex theory within their practice remains sparse. This integrated-article dissertation explored how professionals working with marginalized youth within various settings, including teen dating violence prevention contexts, understood and applied intersectionality. The first paper (chapter two) used group concept mapping to explore how 12 professionals applied intersectionality. Results yielded …

Identifying Cognitive Profiles In Children With Neurodevelopmental Disorders Using Online Cognitive Testing, Abagail Hennessy

Electronic Thesis and Dissertation Repository

Neurodevelopmental disorders (NDDs), including autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD), are characterized by diverse cognitive deficits. Early identification of cognitive deficits is fundamental to improving academic and emotional/behavioural outcomes in children. Creyos has pioneered online cognitive testing which assesses working memory, attention, reasoning and verbal abilities. We developed audiovisual instructions for the task battery and implemented them in an online sample of children ages 4-16 with ADHD (n = 83), ASD (n = 37), and typically developing children (TD) (n = 86), to determine whether unique cognitive profiles would emerge. Four tasks reflective of working memory, …

Using Virtual And Augmented Reality To Teach Children On The Autism Spectrum With Intellectual Disabilities: A Scoping Review, Emily M. Erb

Electronic Thesis and Dissertation Repository

In recent years, both Virtual Reality (VR) and Augmented Reality (AR) technology have shown great promise for the instruction of individuals with autism spectrum disorder (ASD) by simulating real-world experiences in a safe and controlled environment. However, there are many reports of the failure of such research to include individuals with both ASD and Intellectual Disability (ID). The present scoping review consists of 20 studies which utilized VR/AR to teach various skills to children and youth with comorbid ASD and ID. Findings show that within the small number of eligible studies, a great deal of variation exists in essentially every …

Early Gaze Behaviours In Infants At High Familial Risk For Autism Spectrum Disorder: Association With Brain Development, Julia Teixeira Pinto Montenegro

Electronic Thesis and Dissertation Repository

Children diagnosed with Autism Spectrum Disorder (ASD) show impairments in gaze-following and will seldom engage in joint attention (JA). The ability to initiate JA (IJA) can be more impaired than the ability to respond to JA (RJA). In a longitudinal study, 101 high-risk infants for ASD (62% males) completed MRI scans at 4 or 6 months of age. Subcortical volumes (thalamus, basal ganglia, hippocampus, amygdala) were extracted. Gaze and JA behaviours were assessed with standardized measures. The majority of infants were IJA non-responders (n=93, 92%), and over half were RJA non-responders (n=50, 52%). In the non-responder groups, models testing the …

Screen Time Use And Children’S Mental Health During The Covid-19 Pandemic, Amira Hmidan

Electronic Thesis and Dissertation Repository

Parents with school-aged children have experienced numerous hardships during the 2020-2021 academic school year, including school closures, lockdowns, and travel restrictions. Higher levels of parent stress and screen time may adversely impact children’s behavioural outcomes. This longitudinal survey study examined the associations of parent stress, parenting styles, and prolonged screentime on internalizing and externalizing behaviours in school-aged children. Parents (n = 108) completed survey measures at two time points over the 2020-2021 academic school year. Two generalized estimating equations were performed. There was a significant positive interaction between parent stress and screen time (B = < .001; p = .001) …

An Exploration Of The Facilitators And Barriers Of Inclusion And Participation For Children With Intellectual And Developmental Disabilities At Informal Education Settings, Julia M. Ranieri

Electronic Thesis and Dissertation Repository

This dissertation addresses the current practices, facilitators, and barriers toward inclusion and participation for children with neurodevelopmental disorders, including intellectual and developmental disabilities (IDD) at informal education settings (IES). The first research paper is a scoping review examining practices for supporting participation at IES for children with neurodevelopmental disorders. Characteristics of studies, practices used to promote inclusion, and outcomes measures were identified. The findings of this study emphasized the current practices being utilized at IES for children with neurodevelopmental disorders.

The second research paper is qualitative descriptive study of the facilitators and barriers to inclusion for children with IDD at …

Lina Saadeddin_Supporting Transition Resilience Of Newcomer Groups (Strong) - Examining Impact Of Strong On Youth, Feasibility Of Community Implementation, And Parental Engagement, Lina Saadeddin

Electronic Thesis and Dissertation Repository

This study investigated the feasibility of virtual Supporting Transition Resilience of Newcomer Groups (STRONG) delivered through a community agency. STRONG is a Tier-2 intervention developed to enhance resilience and coping among newcomer youth. Ten youth participants from two STRONG groups completed pre-and post-surveys and participated in a focus group to describe their experiences. Parent sessions were added to STRONG programming. Five parents completed a satisfaction survey and a focus group to share their feedback. Two clinicians and one community manager provided feedback on the implementation in two focus groups. The study used a mixed-method approach. While there were no significant …

Understanding Service Gaps And Support Opportunities In The Treatment Of Childhood Anxiety, Chelsey R. Masson

Electronic Thesis and Dissertation Repository

Globally, anxiety disorders represent the most prevalent mental health disorders in children and youth (Polanczyk et al., 2015), with an increasing number of individuals perceiving the need for professional help (Georgiades et al., 2019). It is unclear, however, where families are seeking help from, what barriers families are facing, and what services are being provided for effective management of symptoms. Two methods were used to investigate possible treatment support models; a questionnaire identified patterns in parental help-seeking behaviours and outlined perceived barriers to professional help, while a scoping review examined key components of parent/caregiver treatment models. Findings showed that parents …

Exploring Effectiveness Of Implementation Of The Mindup Program Through Implementor Perspectives, Maria Jelic

Electronic Thesis and Dissertation Repository

Developing feasible universal school-based programs that help children develop social and emotional competencies is crucial for the development of improved mental health in children, especially those who have been exposed to trauma. Educators need to be motivated to implement such programs with high quality so that intended outcomes are more likely to occur, but a variety of both internal and external factors can affect implementation. The present study explores these factors by inviting the perceptions of implementers and support staff who were involved in an SEL program called MindUP. Semi-structured interviews were conducted with eight participants, the interviews were transcribed …

Neither Seen Nor Heard: Surviving Children Of Domestic Homicide, Alexis Winfield

Electronic Thesis and Dissertation Repository

Domestic homicide is a critical human rights issue that continues to impact women, children, and families in Canada. Between 2010-2018, 662 individuals died as a result of domestic homicide, many of whom were mothers who left surviving children behind. This study examined the experiences of surviving children prior to, during, and in the aftermath of domestic homicide through quantitative and qualitative court and media document analyses. It was found that 136 children in Ontario experienced domestic homicide between 2010-2017. Domestic homicide impacted surviving children in all domains of functioning and was often associated with long-term adverse outcomes. Court documents revealed …

Individual Differences In Lifestyle Factors And The Effects Of Acute Exercise On Executive Functioning In Children And Youth With Adhd, Jasmyn Skinner

Electronic Thesis and Dissertation Repository

Acute exercise interventions can improve executive functioning among children and youth with ADHD, however not all individuals experience the same benefit. We focused on three lifestyle factors (medication use, physical fitness, and physical activity behaviours) and their impact on the relationship between acute exercise and executive functioning. Participants completed a battery of executive functioning measures, followed by a 10-minute bout of moderate-intensity stationary biking (experimental condition), or silent reading (control condition). The same battery of assessments was re-administered immediately after the intervention and after a 10-minute delay. Overall, regardless of medication status, physical fitness level, or physical activity behaviours, an …

Individual Differences In Executive Functioning And Psycho-Emotional Well-Being And The Impact Of Acute Exercise On Children And Youth With Adhd, Madeline Crichton

Electronic Thesis and Dissertation Repository

Short bouts of exercise can improve inhibitory control in children with Attention Deficit Hyperactivity Disorder (ADHD). However, individual differences among children with ADHD may impact the effectiveness of exercise interventions. We investigated how individual differences in inhibitory control, mood, and self-efficacy impact the efficacy of acute exercise among children with ADHD. Sixteen participants (ages 10-14) completed two interventions: 10 minutes of exercise and 10 minutes of silent reading (control). Inhibitory control was assessed prior to the intervention, immediately after the intervention, and after a 10-minute delay. Results suggested that participants with lower initial inhibitory control benefited more from exercise than …

Children’S Perspectives On The Social Exclusion Of Peers With Behavioural Difficulties, Kayla Edwards

Electronic Thesis and Dissertation Repository

Children who display externalizing behaviours are more likely than their peers to experience social exclusion. To better examine this topic, the perspectives of peers were investigated. Thirty-six participants were interviewed from a school in Southwestern Ontario. Participants were asked why they believe children with behavioural difficulties may be socially excluded by peers. Unique statements were extracted from the transcribed data. Participants were invited back to sort the statements into meaningful categories. Sorted data were analyzed using multi-dimensional scaling and cluster analysis. A five-cluster solution was selected as the best conceptual and statistical fit for the data. The clusters in this …

The Psychosocial Functioning Of Children With Chronic Health Conditions: A Meta-Analysis, Serena Thompson

Electronic Thesis and Dissertation Repository

Chronic health conditions are highly prevalent among childhood populations and lead to restrictions in everyday life. Previous research indicates that children and youth with a chronic health condition are at an elevated risk of psychosocial difficulties, including mental illness and social exclusion, compared to typically developing populations. Therefore, the purpose of this study was to determine the impact of chronic health conditions on psychosocial factors during childhood by comparing the psychosocial functioning of children with chronic health conditions and children without chronic illnesses using a meta-analysis. Specifically, three elements of psychosocial functioning were examined, (a) social-emotional functioning, (b) behavioural functioning, …

Understanding The Effects Of Physical Activity On Executive Functioning And Psycho-Emotional Well-Being In Children With Adhd, Hannah B. Bigelow

Electronic Thesis and Dissertation Repository

A short bout of physical activity has been shown to improve executive functioning in children. However, the implications for children with Attention Deficit Hyperactivity Disorder (ADHD) has been understudied. We examined the impact of a 10min bout of physical activity on executive functioning and psycho-emotional well-being in children with ADHD. Participants engaged in two lab-based sessions separated by 1-week: a physical activity session and a control session. The physical activity session included a 10min bout of moderate-intensity biking, with a pre-post battery of cognitive and psycho-emotional assessments. The control session consisted of 10mins of silent reading. We used functional imaging …

Microdosing Mindfulness: Understanding The Effects Of Brief Mindfulness Meditation In Children With Adhd, Marcus D. Gottlieb

Electronic Thesis and Dissertation Repository

Mindfulness Meditation (MM) is receiving increased empirical support as a method for addressing ADHD symptomology. Research shows that MM interventions lasting weeks or months promote key aspects of cognitive and psycho-emotional functioning in youth with ADHD. Using a pre-post within-subjects design, we sought to determine whether a single MM session supports neurocognitive and/or psycho-emotional functioning in youth with ADHD. Sixteen participants aged 10-14 completed measures of executive and psycho-emotional functioning before/after a 10-minute MM session and silent reading control. Functional neuroimaging assessed whether MM supported changes in prefrontal cortex (PFC) activation during cognitive tasks. We found that a single MM …

An Examination Of Child And Youth Mental Health Service Urgency In Ontario, Valbona Semovski

Electronic Thesis and Dissertation Repository

Ontario’s capacity to treat children and adolescents in mental health crisis is outweighed by the number and needs of individuals requiring treatment. A lack of standardized assessments for prioritizing individuals has contributed to long wait times for treatment and a paucity of information to help prioritize those requiring urgent services. This study examined whether sector (e.g., school, hospital), sex, age, legal guardianship, interpersonal and school conflict, intellectual disability and comorbid health conditions predicted greater mental health service urgency in 61,448 children (ages 4 to 18 years) assessed using the interRAI Child and Youth Mental Health Screener. Additionally, differences in mental …

Acceptability Of Making Mindfulness Matter (M3): A Community Based Program For Families Experiencing Adversity, Emilia Pacholec

Electronic Thesis and Dissertation Repository

This study utilized a mixed methods sequential embedded design to explore the acceptability of Making Mindfulness Matter (M3), an eight-week, concurrent intervention for families who have experienced adversity, from the parent’s perspective. M3 incorporates education and skills development around mindfulness, social-emotional learning, positive psychology, and neuroscience. Participants were 74 families, with children ages four to nine, who participated in the M3 program at a family support and crisis centre. Frequency data was collected for attendance and skills use between sessions. An inductive content analysis was used to identify the key themes pertaining to parent’s experience with the M3 program. The …

Construction And Preliminary Validation Of The Interrai 0-3 Developmental Domains, Jo Ann M. Iantosca

Electronic Thesis and Dissertation Repository

Background. With no standardized approach for early assessment of childhood development in Canada, and with a lack of a comprehensive assessment-to-intervention system that amalgamates social, psychiatric, medical, functional, psychological, and environmental constructs, the interRAI 0-3 was developed to support intervention efforts based on the needs of young children and their families. The interRAI 0-3 includes over 650 items that seek clinical information, developmental milestones, and context items regarding the family and social relationships surrounding the child. The newly developed interRAI 0-3 was most recently evaluated to examine the reliability and validity of the Expressive and Receptive Language and the Gross …

Mental Health Literacy And Initial Teacher Education: A Program Evaluation, Jasprit K. Pandori-Chuckal

Electronic Thesis and Dissertation Repository

Utilizing a program evaluation framework, this study explored the effectiveness of a 10-week, mandatory, online mental health literacy course for 275 teacher candidates in a large central Canadian faculty of education. Shifts in teacher candidates’ mental health literacy (using the Mental Health Literacy Questionnaire; Rodger Johnson, & Weston, 2017), attitudes toward mental health (Opening Minds Scale; Modgill, Patten, Knaak, & Szeto, 2014), and two types of coping skills, seeking social support and self-control (Ways of Coping Scale; Folkman & Lazarus, 1985), were examined. The findings indicated that the course demonstrated efficacy in positively shifting teaching candidates’ mental health knowledge, stigma …

Child And Adolescent Sleep Disturbances And Psychopathology In A Mental Health Clinic Sample, Aviva Blacher

Electronic Thesis and Dissertation Repository

Sleep disturbances in children and adolescents (hereafter children) are associated with significant short-term and long-term impairments including more severe psychopathology, reduced cognitive functioning, and poorer general health. We know that children being treated in specialty mental health services are more likely to have sleep disturbances than community samples. We also know that relationships exist between sleep and psychopathology in children with specific disorders (e.g. ADHD, depression, etc.). However, few studies have investigated the relationship between sleep and psychopathology in a broad sample of children seen at mental health agencies. Both child factors and family factors may influence both sleep and …

A Developmental And Symptom-Level Approach To Comorbid Mental Health Disorders In Children, Elizabeth Thornley

Electronic Thesis and Dissertation Repository

This dissertation addresses current issues in the conceptualization and classification of childhood mental health issues (e.g., impact of sex/age on symptoms, comorbidity, limits of traditional models). In contrast to traditional models, the importance and value of utilizing individual symptoms as primary variables of interest is presented. This first study consisted of 9565 participants (M = 12.06, SD = 3.57, 58% males). Results for youth with no history of trauma indicated sex differences in symptom expression consistent with what has been previously shown in the literature; however, a complex presentation of attention-related symptoms was identified for females. Similar sex differences …

Death Of The Clinic: Trans-Informing The Clinical Gaze To Counter Epistemic Violence, Diana E. Kuhl

Electronic Thesis and Dissertation Repository

This case study research (Patton, 2002, 2014; Flyvberg, 2006) has grown out of an awareness of deep resistance from the psy disciplines to trans-informed epistemologies as a source of legitimate knowledge (Tosh, 2015, 2016; Winters, 2008). It focuses on examining how the closure of The Gender Identity Clinic (GIC) for Children and Youth at the Centre for Addiction and Mental Health (CAMH) in Toronto, Ontario, Canada, signaled a paradigm shift from the ‘treatment model’ to the ‘affirmative model’ with respect to clinical approaches for supporting trans and gender diverse children and youth. As such the case study involved tracing the …

Promoting Mentally Healthy Classrooms: Evaluation Of Online Mental Health Literacy Instruction In Pre-Service Teacher Education, E. Robyn Masters

Electronic Thesis and Dissertation Repository

To better understand how to prepare large numbers of pre-service teachers for their role in creating and leading mentally healthy classrooms, this program evaluation explores outcomes related to an online mental health literacy course at a large central Canadian university. The course was delivered to 275 teacher education students simultaneously over 10-weeks and 20-hours of online instruction and professional reflection. Results indicated significant improvement in self-reported levels of mental health literacy, stigma toward mental illness, and self-efficacy for teaching students with diverse challenges. Qualitative reviews of participant feedback identified the most valuable aspects of the course and the ways in …

Adolescents’ Perceptions And Responses To Peer Mental Health Challenges And Problematic Behaviours Following A Social-Emotional Learning Program, Jessica Sommers

Electronic Thesis and Dissertation Repository

Vulnerable youth may be more susceptible to developing problematic behaviours and mental health challenges, including anxious and depressive symptoms, suicidal ideation, substance misuse, and unhealthy relationships. Social-emotional learning programs like The Healthy Relationships Plus Program (HRPP) can foster positive youth development by including training on mental health literacy, developing skills in help-seeking, and providing opportunities to practice difficult conversations. This study explored youth’s responses to hypothetical challenges faced by peers with a group of sixty-three adolescents who had participated in the HRPP. Responses to four distinct scenarios were collected to examine youths’ perceptions of various challenges and problematic behaviours, including …

Who Should Defend Victims Of Bullying? The Effects Of Relative Status On Defender And Victim Outcomes, Kunio Hessel

Electronic Thesis and Dissertation Repository

Although children often are encouraged to defend victims of bullying, social consequences for defenders are relatively unknown. The present study examined the protective effects of defender and bully status on social and victimization outcomes after defending. Participants (N = 222, 118 male, age 10-14, M_age = 12.28 years) from six schools in South-western Ontario completed a 44-item questionnaire in which they reported on bully-victim-defender relationships in their classroom. Polynomial regression with response surface analysis indicated that the status effects of multiple bullying roles provided information beyond the status effects of each individual role. When defender popularity exceeded …

Exploring The Relationships Among Executive Functioning, Behaviour, And Adaptive Skills In Young Children, Melissa Read

Electronic Thesis and Dissertation Repository

This study aimed to investigate the relationships among executive functions (EFs), adaptive skills, and behaviour problems in young children. Participants were divided into four behaviour groups: high internalizing (INT), high externalizing (EXT), combined high internalizing and externalizing (COMB), and within the normal range (NORM). The predictive ability of inhibition, shift, working memory, adaptive skills, age, and gender on group membership was explored using regression analyses. A person-oriented perspective was also explored using cluster analysis. Fifty-five kindergarten and Grade one educators in Ontario, Canada completed the Behaviour Rating Inventory for Executive Functioning (second or preschool edition) and the Behaviour Assessment System …

An Examination Of Predictors Of Quality Of Life In Children And Adolescents Receiving Mental Health Services, Angela Maria Louisa Celebre

Electronic Thesis and Dissertation Repository

Children with mental health problems have a significantly worse quality of life (QoL) in comparison to typically developing children, or those with physical health conditions. However, research identifying factors associated with QoL in this vulnerable population is quite scarce. To address this gap in the literature, 347 clinically referred children and youth (ages 7-18 years old) were assessed using the interRAI Child and Youth Mental Health Assessment (ChYMH) and Self-report Quality of Life- Child and Youth Mental Health (SQoL-ChYMH). Hierarchical multiple linear regression analyses revealed that after controlling for age, gender, and patient status, children and adolescents with higher depressive …

School Success After Trauma: Examining The Parallels Among Trauma, Bullying, And School Disengagement, Mikayla Jeffery

Electronic Thesis and Dissertation Repository

Research examining the relationships between trauma, bullying, and the combined effect of these experiences on school disengagement is scarce. Due to the plethora of negative outcomes that may result from trauma, bullying, and school disengagement, understanding these relationships is important in supporting children/youth with these histories. To address this gap in the literature, 8589 children/youth (aged 4-18 years) were assessed using the interRAI Child and Youth Mental Health Assessment. A multinomial logistic regression revealed that children/youth who reported interpersonal and non-interpersonal traumas were more likely to be bully-victims. Moreover, the likelihood of being a victim of bullying nearly doubled for …