Background: Williams syndrome (WS) phenotype is described as unique and intriguing. The aim of this study was to investigate the associations between speech-language abilities, general cognitive functioning and behavioural problems in individuals with WS, considering age effects and speech-language characteristics of WS sub-groups. Methods: The…

Understanding that other people hold different mental states and that they may be changed is the core of persuasion. Thus, theory of mind (ToM) abilities are fundamental to generate persuasive arguments. To date, only the relation between false belief and false belief-emotion understanding and persuasion has been investigated, ignoring other…

The objective of the study was to test the Coloured Progressive Matrices Test with regard to reliability and validity for the 3-9 age sample group because of the lack of diagnostic tools for the pre-school period. The sample group of the study was comprised of a total of 925 children with 433 girls (46.8%) and 492 boys (53.2%). Coloured…

The overall goal of the present study was to develop, implement, and test the effectiveness of a curriculum designed to improve spatial thinking amongst preschool children. Specifically, the study explored the effects of shape-based training on 4-year-old children's ability to disembed and whether the training transferred to improvement in mental…

This dissertation consists of two separate essays on major choice in higher education. In the first chapter, I investigate how differences in information affect students' major choices over time. Since college has such a short time horizon, the amount of information students have before coming in may play a big role in how well they are matched to…

Academic self-concept (ASC) is a student's self-perceived level of ability in an academic domain and a major factor involved in academic performance. We examined the importance of internal/external sources of evaluation for the structure of L2 and L3 ASCs in two groups of 5th/6th graders learning English and French in Switzerland (mean age: 12.1).…

This study investigated if second language (L2) learners' incidental collocation learning from engaging in task-based reading would be moderated by their individual differences in cognitive abilities. Eighty-one Cantonese speakers were invited to review three English articles and determine if they were acceptable for publication in a lifestyle…

The high cost of commercial textbooks in higher education creates barriers to equitable access to learning materials and negatively impacts student performance. Open educational resources (OER) offer a cost-effective alternative, but their impact on student learning remains a critical question. This study directly compared student outcomes between…

The intersection of digital technologies and young people's well-being has become a topic of increasing concern and interest within psychological and educational research. While the advantages of digital engagement for socio-emotional skill development are acknowledged, there is apprehension regarding excessive screen time and its potential impact…

Background: Research into the neuropsychology of pediatric obsessive--compulsive disorder (OCD) reveals inconsistent results, limiting the ability to draw conclusions about possible neurocognitive deficits in youth with OCD. The aim of this study was to conduct a meta-analysis of the available literature. Methods: We identified 36 studies, of…

Children in early childhood education and care (ECEC) spend a considerable amount of time interacting with their peers. However, open questions remain on whether and how children influence their peers' language development. The present study examined effects of peers' German receptive vocabulary (n = 1,871) on individual children's (n = 431)…

Attention-deficit/hyperactivity disorder is one of the most common comorbidities in individuals with autism spectrum disorder. However, the clinical implications of the co-occurrence of these two disorders are still poorly understood. Based on a preregistered protocol (PROSPERO CRD42020193880), this systematic review identified 34 articles,…

While several innovative pedagogical practices have been developed and implemented in anatomy education since the onset of the coronavirus disease 2019 (COVID-19) pandemic, considering the value of in-person undergraduate dissection remains crucial. In this commentary, a human dissection course at the University of Toronto is used as an example to…

The aim of this study was to find the effectiveness of the Portage Program for Early Intervention in improving cognitive competencies of mothers with children having intellectual disabilities in applying portage program, and in developing those children's adaptive behavior. The experimental sample included 10 children from Irbid Governorate with…

Background: Attention-deficit hyperactivity disorder (ADHD) is a risk for learning. Because ADHD commonly includes behaviours of inattention and behaviours of hyperactivity/impulsivity, how the two types of behaviours independently affect children's academic competence remains poorly understood. Aims: To investigate the impact of behaviours of…