19 research outputs found

    Job Satisfaction And Intent To Quit Outcomes Among Home Health Aides In Home Health Care Industry Of The United States: A Multilevel Study

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    Backgrounds: Home health aides’ job satisfaction and intent to quit have been attributed to organizational and community level factors. The objective is to determine the effects of individual-, organizational-, and community-level factors on job satisfaction or intent to quit among home health aides. Methods: This research used data from two subsets of the 2007 National Home and Hospice Care Survey and the 2007 National Home Health Aides Survey, sampling six eligible workers across the agencies in the Unites States. As another data source, the present study uses Area Health Resource File. The author used hierarchical linear modeling technique for handling hierarchically nested data structures. The author conducted two-level logistic regression analysis for dichotomous responses of the outcomes using GLLAMMs (Generalized Linear Latent And Mixed Models) in STATA 13.0/SE (Rabe-Hesketh, Skrondal, & Pickles, 2004). Results: Benefits, age, and household income were found to be predicting variables for home health aides’ job satisfaction. Ownership, location, patient care revenue sources, and patient assignment were also found to be predictors for job satisfaction and intent to quit among home health aides. Being respected, being trusted, being involved in challenging work, and being confident were contributing factors to higher level of job satisfaction. However, being involved in challenging and being confident contributed to a reduction in home health aides’ intent to leave their jobs. In addition, supervisor quality and being valued by their agencies were found to be predictors for job satisfaction and intent to quit. These factors were also found to be moderating factors in the relationship between individual-level work related factors and job satisfaction or intent to quit and between individual-level job perception and job satisfaction or intent to quit. High unemployment rates in the communities was found to be a predicting factor for job satisfaction and intent to quit among home health aides. Conclusions: The findings are a clear indication that supervisor quality and organizational values are the most significant predictors of home health aides’ job satisfaction and intent to quit. Therefore, addressing supervisor and organizational supportiveness may increase job satisfaction and reduce intent to quit by home health aides

    PREVENTING SUBSTANCE ABUSE AMONG ADOLESCENTS: EVALUATION OF AN INTEGRATED MODEL COMBINING LIFE SKILLS TRANING AND PARENT TRANING

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    This study examines the effectiveness of an integrated model combining Life Skills Training (LST) for students and Love and Logic Training (LLT) for parents. 310 middle school students and 49 parents were participated in the study. A paired sample t-test was computed to compare pre and post-test scores for each participant. An independent sample t-test was used to determine if statistical differences exist between the treatment and control groups. Alcohol use and resistance to alcohol use among both treatment and control groups were significantly changed after the intervention in a positive way. No significant change in substance use was found in both groups. When it comes to comparison between treatment and control groups, a significant difference was found only in resistance to alcohol use, meaning participants in treatment group showed significantly higher level of resistance to alcohol use than control group after the intervention. Implications of these results for practice and training were discussed

    Analysis of the Penn Korean Universal Dependency Treebank (PKT-UD): Manual Revision to Build Robust Parsing Model in Korean

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    In this paper, we first open on important issues regarding the Penn Korean Universal Treebank (PKT-UD) and address these issues by revising the entire corpus manually with the aim of producing cleaner UD annotations that are more faithful to Korean grammar. For compatibility to the rest of UD corpora, we follow the UDv2 guidelines, and extensively revise the part-of-speech tags and the dependency relations to reflect morphological features and flexible word-order aspects in Korean. The original and the revised versions of PKT-UD are experimented with transformer-based parsing models using biaffine attention. The parsing model trained on the revised corpus shows a significant improvement of 3.0% in labeled attachment score over the model trained on the previous corpus. Our error analysis demonstrates that this revision allows the parsing model to learn relations more robustly, reducing several critical errors that used to be made by the previous model.Comment: Accepted by The 16th International Conference on Parsing Technologies, IWPT 202

    Vortex wandering in a forest of splayed columnar defects

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    We investigate the scaling properties of single flux lines in a random pinning landscape consisting of splayed columnar defects. Such correlated defects can be injected into Type II superconductors by inducing nuclear fission or via direct heavy ion irradiation. The result is often very efficient pinning of the vortices which gives, e.g., a strongly enhanced critical current. The wandering exponent \zeta and the free energy exponent \omega of a single flux line in such a disordered environment are obtained analytically from scaling arguments combined with extreme-value statistics. In contrast to the case of point disorder, where these exponents are universal, we find a dependence of the exponents on details in the probability distribution of the low lying energies of the columnar defects. The analytical results show excellent agreement with numerical transfer matrix calculations in two and three dimensions.Comment: 11 pages, 9 figure

    Neonatal Abusive Head Trauma without External Injuries: Suspicion Improves Diagnosis

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    The term “shaken baby syndrome” has been replaced by “abusive head trauma (AHT)” based on the mechanism of injury. The reported mortality rate of AHT ranges from 10% to 30%. Up to two-thirds of survivors suffer from serious long-term disabilities. Thus, an expeditious and accurate diagnosis is crucial to prevent further abuse that might result in death or serious disabilities. It remains a challenge for physicians to diagnose AHT when parents do not give a history of trauma in preverbal infants without any external signs. Here, we report a case of a 14-day-old boy who presented with a febrile convulsion without evident external injuries nor history of trauma according to his parents. He was diagnosed with AHT based on MRI findings of subacute subdural hemorrhage, multiple cortical hemorrhages, cerebral edema, and diffuse axonal injury. In conclusion, health care providers should keep in mind that the history of trauma provided by the parents or caregivers might not always be true and that reasonable suspicion of abuse is the most important in the diagnosis of AHT, although neuroimaging plays a pivotal role. Reasonable suspicion of AHT in combination with a thorough physical examination, neuroimaging, and skilled neuroradiologist can improve diagnosis and help victims in a timely manner

    Simultaneous observation of columnar defects and magnetic flux lines in high-temperature Bi<SUB>2</SUB>Sr<SUB>2</SUB>CaCu<SUB>2</SUB>O<SUB>8</SUB> superconductors

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    Columnar defects generated by heavy-ion irradiation are promising structures for pinning magnetic flux lines and enhancing critical currents in superconductors with high transition temperatures. An approach that combines chemical etching and magnetic decoration was used to highlight simultaneously the distributions of columnar defects and magnetic flux lines in Bi<SUB>2</SUB>Sr<SUB>2</SUB>CaCu<SUB>2</SUB>O<SUB>8 </SUB>superconductors. Analyses of images of the columnar defects and flux-line positions provide insight into flux-line pinning by elucidating (i) the occupancy of columnar defects by flux lines, (ii) the nature of topological defects in the flux-line lattice, and (iii) the translational and orientational order in this lattice

    Effects of freezing rate and terminal freezing temperature on frozen croissant dough quality

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    Using frozen ready-to-bake dough is a very common practice in the industrial croissant production. However, the freezing process during the preparation frozen croissant dough can deteriorate its quality. In this study, we investigated the effects of the freezing rate (FR) and terminal freezing temperatures on the volume and firmness of croissants by analyzing frozen dough for yeast viability, thermal property changes, and internal microstructure integrity. Croissant dough samples were frozen at rates ranging from -0.72 to -3.56 degrees C min(-1) down to final temperatures of -20, -40, and -55 degrees C. Our results showed that the ice crystals normally forming in the dough during freezing, causing a lower yeast viability and croissants quality, were of smaller size when a rapid FR &gt;= -3.19 degrees C min I was used. Furthermore, a freezing termination temperature lower than -20 degrees C induced more yeast cell death, thereby deteriorating croissant quality. Therefore, we suggest that the croissant dough freezing process should be conducted with an appropriate FR down to a suitable terminal temperature. Consequently, our results are helpful to understand how the freezing procedure affects ice crystal formation and yeast viability in the frozen dough matrix and our findings can be applied to enhance bread quality in the frozen dough industry. (C) 2016 Elsevier Ltd. All rights reserved.N
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