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\"The increasing attention to Machine Learning (ML) in K-12 levels and studies exploring a different aspect of research on K-12 ML has necessitated the need to synthesize this existing research. This study systematically reviewed how research on ML teaching and learning in K-12 has fared, including the current area of focus, and the gaps that need to be addressed in the literature in future studies. We reviewed 43 conference and journal articles to analyze specific focus areas of ML learning and teaching in K-12 from four perspectives as derived from the data: curriculum development, technology development, pedagogical development, and teacher training/professional development. The findings of our study reveal that (a) additional ML resources are needed for kindergarten to middle school and informal settings, (b) further studies need to be conducted on how ML can be integrated into subject domains other than computing, (c) most of the studies focus on pedagogical development with a dearth of teacher professional development programs, and (d) more evidence of societal and ethical implications of ML should be considered in future research. While this study recognizes the present gaps and direction for future research, these findings provide insight for educators, practitioners, instructional designers, and researchers into K-12 ML research trends to advance the quality of the emerging field.\" [Abstract: Author's information].

The purpose of this article is to provide a scoping review of the current literature on group flow. Based on the PRISMA-guidelines for systematic reviews, 26 publications were identified that met the inclusion criteria. Publication analyses comprised an individual consideration of each publication and a systematic, integrative synthesis of all publications. Analyses identified heterogeneous group flow definitions across publications, supporting the need for an integrative definition. Further heterogeneity existed in the theoretical approaches and measures used, highlighting the need for a comprehensive theory and a measurement standard. Components (e.g., synchronization), antecedents (e.g., trust), and outcomes (e.g., well-being) of group flow were identified in publications that presented empirical studies, some of which that showed similarities between characteristics of group flow and individual flow and others that showed aspects unique to group flow. Overall, this scoping review reveals the need for a systematic research program on group flow. (Autor).

In order to implement education for sustainable development (ESD), teachers from all subjects need to be equipped with ESD-specific professional action competence, including physical education (PE) teachers. However, the current state of research on approaches to defining ESD-specific teacher competence is complex and there is little debate on what competences PE teachers in particular need in order to implement ESD. The purpose of this study is to make a theoretical contribution to clarifying the central concepts of ESD-specific teacher competences and to link this discussion to the subject of PE. We conducted a systematic literature review following PRISMA guidelines with a focus on normative and theoretical work about ESD-specific teacher competences. Twenty-two articles from 2008 onwards met the inclusion criteria. Subsequently, we applied a qualitative content analysis based on theoretically derived main categories. The literature review revealed a more nuanced examination of the categories of ESD-specific professional knowledge and beliefs. The categories of motivational orientation and self-regulation were found to have received less attention in the analyzed papers. PE-specific aspects were not reflected in the reviewed literature. A refined model of ESD-specific professional action competence is suggested and it is demonstrated how this model might be applied to subject-specific discourses from the perspective of PE. (Autor).

This article describes teacher competencies for implementing collaborative learning in the classroom. Research has shown that the effectiveness of collaborative learning largely depends on the quality of student interaction. [The authors] therefore focus on what a teacher can do to foster student interaction. First, [they] present a framework that draws a comprehensive picture of a teacher role [the authors] see as germane to fostering student interaction. The framework distinguishes between five teacher competencies that span across all implementation phases of collaborative learning: the ability to plan student interaction, monitor, support, and consolidate this interaction, and finally reflect upon it. Then, [they] review research on collaborative learning and structure this review along the five teacher competencies presented in the framework. The review targets relevant concepts and pivotal empirical research results about how to foster student interaction. For each competency, [they] first summarize relevant concepts and empirical results. [The authors] then apply the concepts and findings to a classroom situation. These teaching vignettes illustrate the functions of the five teacher competencies in fostering student interaction in collaborative learning. For each vignette, [they] discuss and highlight specific aspects of the presented teacher role and draw practical implications. Monitoring and supporting in the classroom should be trained in teacher education and facilitated by providing teachers with tools such as a checklist of beneficial student behaviors. These practical implications can inform educational practices and offer new directions for future research regarding promoting collaborative learning. (Orig.).

Outdoor play is one major source of physical activity (PA) in children. In particular, parents act as gatekeepers, because they can enable their children's outdoor play. This systematic review aims to provide an overview of parental correlates of outdoor play. A systematic literature research of six electronic databases (ERIC, PsycARTICLES, PsycINFO, PubMed/Medline, SCOPUS, and Web of Science Core Collection) was conducted with previously defined search terms, focusing on children 0-12 years old. In total, 1719 potentially publications were screened based on eligibility criteria. Included studies were scored for overall study quality. Findings were summarized using a semi-quantitative method. Twenty-one peer-reviewed publications which examined the relationship of parental correlates and outdoor play were included. Overall, five parental correlates were associated with children's amount of outdoor play: mothers' ethnicity, mothers' employment status, parents' education level, the importance parents assign to outdoor play, and perceived social cohesion in the neighborhood. Merely four studies reported sex/gender-stratified results. In summary, only parents' encouragement/support provided evidence for girls' amount of outdoor play. The findings are considered to be of public health relevance for developing intervention programs to increase outdoor play and for improving child's health. More research, especially considering sex/gender of the child, is required. (Autor).

Background: Promoting cycling to school may benefit establishing a lifelong physical activity routine. This systematic review aimed to summarize the evidence on strategies and effects of school-based interventions focusing on increasing active school transport by bicycle. Methods: A literature search based on \"PICo\" was conducted in eight electronic databases. Randomized and non-randomized controlled trials with primary/secondary school students of all ages were included that conducted pre-post measurements of a school-based intervention aimed at promoting active school travel by bicycle and were published in English between 2000 and 2019. The methodological quality was assessed using the \"Effective Public Health Practice Project\" tool for quantitative studies. Applied behavior change techniques were identified using the \"BCT Taxonomy v1\". Two independent researchers undertook the screening, data extraction, appraisal of study quality, and behavior change techniques. Results: Nine studies investigating seven unique interventions performed between 2012 and 2018 were included. All studies were rated as weak quality. The narrative synthesis identified 19 applied behavior change techniques clustered in eleven main groups according to their similarities and a variety of 35 different outcome variables classified into seven main groups. Most outcomes were related to active school travel and psychosocial factors, followed by physical fitness, physical activity levels, weight status, active travel and cycling skills. Four studies, examining in total nine different outcomes, found a significant effect in favor of the intervention group on bicycle trips to school (boys only), percentage of daily cycling trips to school, parental/child self-efficacy, parental outcome expectations, moderate-to-vigorous intensity physical activity (total, from cycling, before/after school), and total basic cycling skills. Seven of these outcomes were only examined in two studies conducting the same intervention in children, a voluntary bicycle train to/from school accompanied by adults, including the following clustered main groups of behavior change techniques: shaping knowledge, comparison of behavior, repetition and substitution as well as antecedents. Conclusions: The applied strategies in a bicycle train intervention among children indicated great potential to increase cycling to school. Our findings provide relevant insights for the design and implementation of future school-based interventions targeting active school transport by bicycle. (Autor).

The aim of this systematic review was to examine where physical activity (PA) takes place and how much time children, adolescents and adults spend being physically active within the identified locations. A systematic literature search was carried out in five electronic databases (PubMed, CINAHL, SPORTDiscus, PsycInfo, Scopus). For inclusion, primary studies had to identify locations of PA using device-based or self-report tools, whereas minutes of PA had to be examined using device-based tools only. Thirty-two studies were included, methodological quality and sex/gender sensitivity of the studies were assessed. The narrative data synthesis revealed that the highest average amount of daily moderate-to-vigorous PA was found in home and recreational locations, followed by school and neighborhood locations. In adults, highest average amount of daily moderate-to-vigorous PA was found in neighborhood and home locations followed by workplace and recreational locations. The majority of studies had a low risk of bias in four out of six domains; eight studies reported significant sex/gender differences in location-based PA. The results indicate that different locations are used for PA to a varying degree across the lifespan. Future research on the promotion of PA should focus on location-specific design features that encourage children, adolescents and adults to be physically active. (Autor).

Objective: Current guidelines for prevention of obesity in childhood and adolescence are discussed. Methods: A literature search was performed in Medline via PubMed, and appropriate studies were analyzed. Results: Programs to prevent childhood obesity have so far remained mainly school-based and effects have been limited. Analyses by age group show that prevention programs have the best results in younger children ((12 years). Evidence-based recommendations for pre-school- and early school-aged children indicate the need for interventions that address parents and teachers alike. During adolescence, school-based interventions proved most effective when adolescents were addressed directly. To date, obesity prevention programs have mainly focused on behavior-oriented prevention. Recommendations for community- or environment-based prevention have been suggested by the German Alliance of Noncommunicable Diseases and include a minimum of 1 h of physical activity at school, promotion of healthy food choices by taxing unhealthy foods, mandatory standards for meals at kindergartens and schools as well as a ban on unhealthy food advertisement aimed at children. Conclusion: Behavior-oriented prevention programs showed only limited long-term effects. Certain groups at risk for the development of obesity are not reached effectively by current programs. Although universally valid conclusions cannot be drawn given the heterogeneity of available studies, clearly combining behavior-based programs with community-based prevention to counteract an 'obesogenic environment' is crucial for sustainable success of future obesity prevention programs. (Autor).

Background: Children's independent mobility (CIM) is an important contributor to physical activity and health in children. However, in the last 20 years CIM has significantly decreased. To develop effective intervention programs to promote CIM, the impact of the environment on CIM must be identified. This review seeks to provide an overview of sex/gender-specific socio-ecological correlates of CIM. Methods: A systematic literature search of five databases (PubMed, PsycInfo, Scopus, Medline, Web of Science) was conducted with a priori defined eligibility criteria and identified 1838 potential articles published between January 1990 and November 2017. Two independent reviewers screened the literature and identified and rated methodologi- cal quality of the studies. Related factors of CIM were summarized separately for CIM license (parental permission to travel independently) and CIM destination (destinations to which a child travels independently), and separately for boys and girls using a semi-quantitative method. Results: Twenty-seven peer-reviewed journal articles were identified which examined the relationship between the social and physical environment and CIM. Only seven studies reported results divided by sex/gender. Most associa- tions between the environment and CIM were found in the expected direction (positive or negative) or not associ- ated at all. The social environment seemed to be more influential for ensuring CIM than the physical environment. Neighborhood safety, fear of crime and stranger, parental support, and perception of traffic were important social environmental factors influencing CIM, while car ownership, distance, and neighborhood design were relevant physi- cal environmental attributes. Few studies examined sex/gender-related environmental correlates of independent mobility, and those findings were inconsistent. Conclusion: The findings of this systematic review serve as suggestions for intervention programs to increase CIM and to identify future directions in research. To establish a robust comprehension of the impact of the social and physical environment on CIM, further sex/gender-sensitive studies using comparable measurements for CIM and environmental correlates are needed. (Autor).

Hinsichtlich der Professionalisierung von Schulleitenden in Deutschland ist bislang unklar, welche Gelingensbedingungen für Schulleitungsfortbildungen existieren. Der vorliegende Beitrag setzt hier an und eruiert mittels eines Scoping Reviews ebensolche Gelingensbedingungen. Die Ergebnisse zeigen, dass aktuelle Arbeiten überwiegend auf Empfehlungen beruhen und nur wenige empirisch abgesicherte Aussagen vorliegen. (DIPF/Orig.). The professionalization of school leaders in Germany has received little attention in research to date. As a result, it is also unclear which conditions for successful school leadership training must be considered. This article aims to provide an overview of such conditions using a scoping review. The results mainly show recommendations and only a few empirically based statements. (DIPF/Orig.).