1000 resultados para Variables statiques


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The puq)ose of this thesis is to test a model Hnking community disadvantage and urbanicity factors to parenting variables (i.e., monitoring, warmth, and knowledge) and to youth risk behavior (i.e., substance use and delinquency), measured both concurrently and one year after the assessment of parenting variables. The model builds on the work of Fletcher, Steinberg, and Williams-Wheeler (2004) but a) includes a more comprehensive measure of SES than that conceptualized by Fletcher et al.; b) considers whether the role of community disadvantage is indirectly as well as directly linked to youth risk behavior, by way of its association with parenting variables; c) considers whether level of community urbanicity plays a direct role in predicting both parenting variables and risk behaviors, or whether its influence on risk behaviours is primarily indirect through parenting variables. Both community disadvantage and urbanicity had virtually no relation to parenting and risk behaviour variables. Results found for relations of parenting variables and risk behaviour were similar to Fletcher et al. Although urban youth are typically perceived as being more at risk for substance use and delinquency, no evidence was found for a distinction between urban and rural youth within this sample. Targeting risk behaviour prevention/reduction programs toward only urban youth, therefore, is not supported by these findings.

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The purpose of the study was to investigate the effect of a 16 session stickhandling and puck control (SPC) off-ice training intervention on SPC skills and wrist shot performance variables. Eighteen female collegiate ice hockey players participated in a crossover design training intervention, whereby players were randomly assigned to two groups. Each group completed 16 SPC training sessions in two conditions [normal vision (NV) and restricted vision (RV)]. Measures obtained after the training intervention revealed significant improvements in SPC skills and wrist shot accuracy. Order of training condition did not reach significance, meaning that SPC improvement occurred as a result of total training volume as opposed to order of training condition. However, overall changes in the RV-NV condition revealed consistently higher effect sizes, meaning a greater improvement in performance. Therefore, support can be provided for this technical approach to SPC training and an alternative method of challenging SPC skills.

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Tesis (Maestría en Ciencias de la Administración. Especialidad en Producción) U.A.N.L.

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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) U.A.N.L.

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Tesis (Maestro en Ciencias de la Ingeniería de Manufactura con Especialidad en Automatización) U.A.N.L.

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Tesis (Maestro en Ciencias de la Ingeniería de Manufactura con Especialidad en Automatización) - Universidad Autónoma de Nuevo León, Facultad de Ingeniería Mecánica y Eléctrica.

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Tesis (Maestría en Ciencias de la Ingeniería Mecánica con Especialidad en Materiales) UANL, 2011.

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Tesis (Maestría en Ciencias) UANL, 2012.