439 research outputs found

    Reframing competitive critical analyses: An argument for education-application based methods for speech writing in CA and Rhetorical Criticism

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    This project offers a contemporary exemplar that students and coaches in competitive speech, specifically in the events of rhetorical criticism or communication analysis can use to help reframe traditional notions or methods of how to write a speech for competition. I contend that the event in competition has become too “cookie-cutter” and devoid of innovation or “thinking outside the box,” which can limit the educational experience for our students. Thus, this project begins as a full critical analysis employing the theoretical framework of public memory and follows with a discussion of how a student in competitive speech could approach the event with a broader and more open notion of how to conduct an analysis. Finally, I offer suggestions to coaches and teachers in the event or the classroom for rhetorical criticism about how to guide students towards a more scholarly understanding of critical investigation and provide an exemplar that begins to re-frame the writing process of rhetorical criticism

    Neural Networks for Modeling and Control of Particle Accelerators

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    We describe some of the challenges of particle accelerator control, highlight recent advances in neural network techniques, discuss some promising avenues for incorporating neural networks into particle accelerator control systems, and describe a neural network-based control system that is being developed for resonance control of an RF electron gun at the Fermilab Accelerator Science and Technology (FAST) facility, including initial experimental results from a benchmark controller.Comment: 21 p

    Observed Reductions in School Bullying, Nonbullying Aggression, and Destructive Bystander Behavior: A Longitudinal Evaluation

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    This study was a longitudinal extension of a random control trial of the Steps to Respect antibullying program. Students in Grades 3–5 were surveyed (n = 624) and observed on the playground (n = 360). Growth curve models of intervention students showed 2-year declines in playground bullying, victimization, nonbullying aggression, destructive bystander, and argumentative behavior. Grade-equivalent contrasts indicated group differences in all problem behaviors. Problem behaviors in the control group increased or remained stable across grade. Intervention group students reported less difficulty responding assertively to bullying compared with control students. Within both groups, older students perceived themselves to be more aggressive and less frequently victimized than younger students. Methodological issues posed by inconsistencies between self-reported and observed behavior are discussed

    Walking the Talk in Bullying Prevention: Teacher Implementation Variables Related to Initial Impact of the \u27Steps to Respect\u27 Program

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    This study examined relationships between teacher implementation of a comprehensive bullying prevention program and student outcomes. Implementation in third- through sixth-grade classrooms (N = 36) was measured by observation and teacher report. Student outcomes were measured by student surveys and teacher ratings of peer social skills (N = 549) and observations of playground behaviors (n = 298). Multilevel modeling showed that teacher coaching of students involved in bullying was associated with less observed victimization and destructive bystander behavior among students engaged in these problems at pretest, and less observed aggression among ïŹfth- and sixth-grade students. Support for skill generalization related to reductions in observed aggression and victimization among older students. Adherence to lessons was associated with higher ratings of peer social skills. Quality of lesson instruction corresponded to greater self-reported victimization, as well as more perceived difïŹculty responding assertively to bullying. Implications for school-based practice and future research directions are discussed

    Reducing Playground Bullying and Supporting Beliefs: An Experimental Trial of the \u27Steps to Respect\u27 Program

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    Six schools were randomly assigned to a multilevel bullying intervention or a control condition. Children in Grades 3–6 (N = 1,023) completed pre- and posttest surveys of behaviors and beliefs and were rated by teachers. Observers coded playground behavior of a random subsample (n = 544). Hierarchical analyses of changes in playground behavior revealed declines in bullying and argumentative behavior among intervention-group children relative to control-group children, increases in agreeable interactions, and a trend toward reduced destructive bystander behavior. Those in the intervention group reported enhanced bystander responsibility, greater perceived adult responsiveness, and less acceptance of bullying/aggression than those in the control group. Self-reported aggression did not differ between the groups. Implications for future research on the development and prevention of bullying are discussed

    Refining victims’ self-reports on bullying:Assessing frequency, intensity, power imbalance, and goal-directedness

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    Bullying can be differentiated from other types of peer aggression by four key characteristics: frequency, intensity, power imbalance, and goal‐directedness. Existing instruments, however, usually assess the presence of these characteristics implicitly. Can self‐report instruments be refined using additional questions that assess each characteristic? We examined (a) what proportion of children classified as victims by the commonly used Revised Olweus’ bully/victim questionnaire (BVQ) also experienced the characteristics of bullying, and (b) the extent to which the presence of the characteristics was associated with emotional (affect, school, and classroom well‐being), relational (friendship, defending), and social status (popularity, rejection) adjustment correlates among victims. Using data from 1,738 students (Mage = 10.6; grades 5–8), including 138 victims according to the BVQ, the results showed that 43.1% of the children who were classified as victims by BVQ experienced all the four characteristics of bullying. Frequency ratings of victimization did not capture experiences that involved a power imbalance. Victims who reported all four key characteristics had greater emotional, relational, and social status problems than victims who did not report all characteristics. Thus, researchers who focus on victimization for diagnostic and prevention purposes can enrich self‐report measurements of bullying victimization by adding questions that assess the characteristics explicitly

    Howard walnut trees can be brought into bearing without annual pruning

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    In traditionally managed Howard walnut orchards, trees are pruned annually during the orchard development phase, an expensive operation in terms of labor and prunings disposal costs. Our observations and some prior research by others had suggested that pruning may not be necessary in walnut. In a trial of pruned and unpruned hedgerow trees over 8 years, beginning a year after planting, we documented canopy growth, tree height, yield and nut quality characteristics and also the effects of fruit removal. Pruning altered canopy shape but did not lead to increases in canopy development, yield or nut quality. Although fruit removal stimulated more vegetative growth in both the pruned and unpruned treatments, fruit removal did not result in an increase in midday canopy photosynthetically active radiation interception or cumulative yield when fruit removal was stopped after year 4. After 8 years, there were no significant differences in tree height, nut quality or cumulative yield among any of the treatments, which suggests that not pruning young Howard orchards could provide a net benefit to growers
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