This longitudinal case study from a Complex Dynamic Systems Theory (CDST) perspective touches upon an under-researched issue: L1 development over the lifespan. Levinson (1978) predicts three stages in adulthood: early, mid and late, with a decline in late adulthood. We examine Diane Larsen-Freeman's publications over a period of 50 years (from age…

Boys and girls sit together in most classrooms, but do they interact? Based on 40-year-old evidence, coeducational classes may not be coeducational but instead segregated by gender, which may undermine student success. Our goal is to answer this question in today's classrooms. We used longitudinal data to assess gender segregation in 26 classes in…

This study investigated the development of rapid visual object categorization. N = 20 adults (Experiment 1), N = 21 five to six-year-old children (Experiment 2), and N = 140 four-, seven-, and eleven-month-old infants (Experiment 3; all predominantly White, 81 females, data collected in 2013-2020) participated in a fast periodic visual stimulation…

To understand the role of different school-wide practices in school-wide bullying prevention in the global context, this present study was guided by the social-ecological framework to examine cross-country similarities and differences in the association between three forms of school-wide practices (i.e., punitive, positive, and social and…

The integration of augmented reality (AR) and game-based learning could increase interaction in educational games and provide more learning guidance in higher education courses. This study developed an AR educational board game that featured cognitive scaffolding, immediate feedback, and collaborative interaction. The study also analyzed and…

In this paper, the intercultural experience of two Mexican students who made a credit mobility during a scholar semester at a foreign university was analyzed. The analysis was based on semi-structured interviews and reflective reports. A qualitative phenomenological approach was used to analyze the intercultural experience. The experience of the…

Research evidence indicated that a specific type of augmented reality-assisted (AR-assisted) science learning design or support might not suit or be effective for all students because students' cognitive load might differ according to their experiences and individual characteristics. Thus, this study aimed to identify undergraduate students'…

This study explores sex-differences in (a) rates and profiles of autism symptoms as well as in (b) the contribution of intellectual quotient (IQ) to autism symptom presentation in Down syndrome (DS). Participants were 40 males and 38 females with DS, aged 6 to 23 years. Autism symptoms were rated through the Autism Diagnostic Observation…

Background: The home literacy environment (HLE) has rarely been examined for individuals with neurodevelopmental disorders, including individuals with Williams syndrome and Down syndrome. Method: The current study surveyed carers of individuals with Down syndrome (n = 48) and Williams syndrome (n = 18) in the United Kingdom (UK). Results: The…

Purpose: This paper aims to explore the protective and risk factors involved in student loneliness after the lockdown measures taken limiting social contact during the COVID-19 pandemic in France. Design/methodology/approach: Using a cross-sectional survey methodology, the authors collected data on a sample of 546 students pursuing management…

Education systems worldwide have shown much interest in "21st Century Competencies." In response to the call for better assessment of these competencies, we draw on a 4Cs framework (Communication, Collaboration, Creativity, and Critical Thinking) and develop the 21st Century Competencies Scale-4C on a sample of 5857 Grades Four to Nine…

The present study explored the effects of interactionist Dynamic Assessment (DA) and age on the writing accuracy of IELTS candidates. This research investigated the existence of an interactional effect between the age of learners and the type of treatment they received. First, 140 IELTS candidates were split into two age groups, adult and young.…

Objective: The purpose of this study was to investigate the association of mental health, subjective well-being, and the impact of COVID-19 on quality of life with PA intensity among college students. Participants: The sample included 1262 college students from a large Midwestern research university (mean age = 21.5 ± 3.6 years). Methods:…

Sense of belonging plays an essential role in the retention and success of distance learning students. This study investigated the influence of a sense of belonging on the intentions to drop out among black and white distance learning students at a university in South Africa. A total of 831 participants were surveyed and constituted the sample of…

Young Black and Latino men transition from high school to 4-year universities at rates considerably lower than their peers. College-going disparities by gender are partly influenced by young men's constrained access to social capital in high school. This research explores how gendered inequalities in social capital arise for college-aspiring…