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In a network, the components of a given system are represented as nodes, the interactions are abstracted as links between the nodes. Boolean networks refer to a class of dynamics on networks, in fact it is the simplest possible dynamics where each node has a value 0 or 1. This allows to investigate extensively the dynamics both analytically and by numerical experiments. The present article focuses on the theoretical concept of relevant components and their immediate application in plant biology. References for more in-depth treatment of the mathematical details are also given.

This study used a quasi experimental design to compare two groups of African American and Latino middle school students' pre- and post engagement after exposure to one of two STEM-related opportunities to learn: one with culturally relevant pedagogy anchored by elements of cognitive apprenticeship; the other without. African-American and Latino middle school students (n=121) recruited from 29 of the lowest performing middle schools in a large urban school district participated. Results indicated no statistically significant change in pre- or post levels of engagement as a result of the different instructional formats. Students exposed to STEM using culturally relevant pedagogy maintained and slightly improved math performance weeks after the program ended; the later group showed a sharp decline in math achievement after the program ended. While it is inconclusive which elements of culturally relevant pedagogy, or cognitive apprenticeship directly affected student math outcomes, this study sets the stage for continued empirical research on how the culture of the learning environment can be adjusted to support minority student engagement and persistence in STEM domains. / Educational Psychology

While there is wealth of quantitative research exploring interventions for children with Autism Spectrum Disorders (ASD), these studies insufficiently address how the Quality of Life (QOL) of children with ASD is impacted by interventions. Studies that explore social participation tend to address easily measurable aspects of socialization, but do not adequately address the quality of interactions. The challenges of raising a child with ASD are numerous. Alongside difficulties, parents report positive aspects of raising a child with ASD, which are underexplored in the literature. This study sought to better understand these issues by using a grounded theory method. Five parents of children with ASD were interviewed. Four major themes emerged. The theme of "Flow of life," described the interconnected experience of parents together with their children as they planned for the near and distant future and considered the QOL of their children. The second theme, "Circumstances," included challenges and positive experiences of families. "Helping the flow, joys" was the third theme, capturing situations that helped parents navigate around challenges. Finally, "Social participation" captured the experiences of everyday social activities and provided a sense of supports for families. The themes were integrated, using the framework of the Kawa model, which represents life experiences through the illustration of a river. The model was modified and additional components were added to accurately represent the experiences of families that emerged from this research and may be a useful tool for parents to explore the most meaningful and relevant interventions for their children with ASD. / Occupational Therapy

Grounded in theories of culturally relevant and hip-hop pedagogies, this ethnographic study of a demographically diverse "community nominated" cohort of urban public high school teachers who integrate hip-hop pedagogies into their English/language arts classrooms responds to the methodological and theoretical shortcomings of a burgeoning body of research known as "hip-hop based education" (HHBE). HHBE has argued that curriculum and pedagogy derived from hip-hop culture can be used to transmit disciplinary knowledge, improve student motivation, teach critical media literacy, and foster critical consciousness among urban students in traditional and non-traditional K-12 learning environments. However, the field's overreliance on firsthand accounts of teacher-researchers, the vast majority of whom position themselves as members of the "hip-hop generation," discounts the degrees to which teachers' cultural identity informs hip-hop based curricular interventions, pedagogical strategies, and minority students' academic and socio-cultural outcomes. I argue that the hip-hop pedagogies evidenced by non-researching "hip-hop based educators" were diverse and reflected different beliefs about hip-hop, pedagogy, and the politics of education. Three primary findings emerge from 280 hours of classroom participant-observations and ethnographic interviews (January-June 2010): (1) teachers psychologically and discursively construct and perform individual hip-hop cultural identities through "necessary and impossible" politics of difference, (2) teachers' respective curricular approaches to hip-hop as literary texts are closely linked to their respective hip-hop cultural identities, and (3) hip-hop pedagogues employed hip-hop methodologies and literacies that reoriented conceptions of self and other, teacher-student relations, and notions of knowledge around "pedagogies of hip-hop." Study findings are salient to the fields of hip-hop studies, critical multicultural teacher education, and English/language arts education as they provide robust portraits of the instructional and relational nuances, as well as cultural-political implications of HHBE for a largely White, middle-class prospective teacher workforce and an increasingly diverse hip-hop nation. / Urban Education