7,145 research outputs found

    Online Gaming Can Make a Better World: Jane McGonigal

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    With personal feelings put aside and sociological theoretical depictions brought to the forefront, it is interesting to compare some of Jane\u27s ideas with that of both Emile Durkheim and Max Weber. The theorist who stood out right away, being exemplified through Jane\u27s positive attitude claims on a much larger, macro-level scale, was Emile Durkheim. Jane\u27s ideas about transcending human\u27s as a resource through the social fabrics of gaming into something that might solve world hunger, poverty, and global warming was nothing short of functionalism at it\u27s best. Jane\u27s platform for social structure and maintaining positive social order is the online world, and online gaming is the vehicle for change

    Cropland Values Rise While Rangeland Values Fall

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    Preliminary findings from the 2010 University of Nebraska-Lincoln Nebraska Farm Real Estate Survey show cropland values rising across the entire state over the past 12 months. This follows on the heels of a year of little to no value change for most of the state. For the year ending February 1, 2010, dryland cropland with no irrigation potential rose an average of 6.4 percent, while state-wide averages for gravity irrigated cropland and center pivot irrigated cropland climbed 5.2 and 6.1 percent, respectively (Table 1 on next page). Statewide, dryland cropland with potential to be developed for irrigation rose 7.3 percent in value, but varied considerably across the state depending on development restrictions and opportunities. At the same time that cropland classes experienced value gains, the non-tillable grazing land class fell 5.6 percent for the year, with even greater percentage declines recorded in the major range areas of the state. The combination of upward value movement for cropland and downward pressure for rangeland led to an overall statewide increase for all land of 4.4 percent (Figure 1)

    Relationships Between Injury-Related Fear, Balance Self-Efficacy, and Dynamic Balance Performance in Those With Chronic Ankle Instability

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    Interactions between sensory-perceptual and motor-behavioral impairments in individuals with chronic ankle instability (CAI) are important for successful assessment and treatment of CAI. One of the most consistently reported motor-behavioral impairments is poor reach performance in a dynamic balance task. Injury-related fear is recognized as an important sensory-perceptual impairment, and those with injury-related fears may engage in protective movement strategies found to be associated with reach deficits. Injury-related fear may also impact one’s perception of ability, or self-efficacy, which has demonstrated positive associations with balance performance in other populations, but these relationships have yet to be investigated in the CAI population. Objective: To examine the relationships between injury-related fear, self-efficacy, and dynamic balance performance in those with CAI. Methods: 33 individuals with CAI (F:18, M:15, 22.8±3.3yrs, 170.2±8.5cm, 78.0±13.6kg) reported their level of injury-related fear via the Tampa Scale of Kinesiophobia (TSK-11). The Self-Efficacy of Balance Scale (SEBS) was utilized to capture participants’ level of balance self-efficacy. Dynamic balance performance was assessed on the involved limb with the Star-Excursion Balance Test in the anterior, posteromedial (SEBT-PM), and posterolateral (SEBT-PL) directions and a composite (SEBT-COMP) score was calculated for overall performance. Pearson correlations were used to analyze associations between these outcomes with significance set at P PResults: Significant negative correlations were identified between TSK-11 and SEBS scores (r=-0.34, P=0.050), indicating those with higher levels of kinesiophobia demonstrated lower levels of balance self-efficacy. Significant positive correlations were identified between SEBS scores and SEBT-COMP (r=0.48, P=0.005), SEBT-PM (r=0.42, P=0.016), and SEBT-PL (r=0.48, P=0.005), indicating that individuals who perceived themselves as more confident in their balance ability demonstrated better balance performance. Conclusions: Injury-related fear did not have a direct relationship with dynamic reach performance in individuals with CAI, but may have an indirect relationship with dynamic balance performance by impacting one’s balance self-efficacy.https://digitalcommons.odu.edu/gradposters2020_healthsciences/1004/thumbnail.jp

    Benefits of Turbid River Plume Habitat for Lake Erie Yellow Perch (Perca flavescens) Recruitment Determined by Juvenile to Larval Genotype Assignment

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    Nutrient-rich, turbid river plumes that are common to large lakes and coastal marine ecosystems have been hypothesized to benefit survival of fish during early life stages by increasing food availability and (or) reducing vulnerability to visual predators. However, evidence that river plumes truly benefit the recruitment process remains meager for both freshwater and marine fishes. Here, we use genotype assignment between juvenile and larval yellow perch (Perca flavescens) from western Lake Erie to estimate and compare recruitment to the age-0 juvenile stage for larvae residing inside the highly turbid, south-shore Maumee River plume versus those occupying the less turbid, more northerly Detroit River plume. Bayesian genotype assignment of a mixed assemblage of juvenile (age-0) yellow perch to putative larval source populations established that recruitment of larvae was higher from the turbid Maumee River plume than for the less turbid Detroit River plume during 2006 and 2007, but not in 2008. Our findings add to the growing evidence that turbid river plumes can indeed enhance survival of fish larvae to recruited life stages, and also demonstrate how novel population genetic analyses of early life stages can contribute to determining critical early life stage processes in the fish recruitment process
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