Stress, coping, coping effectiveness and emotions in Malaysian elite tenpin bowlers: Role of context and importance.

Professional tenpin bowlers were examined for their stressors experienced, coping, coping effectiveness and emotional reactions prior to and during minor and major competitions. Fifteen tenpin bowlers (male n = 6; female n = 9) completed a diary pack on three separate periods: one minor competition period and two major competitions periods. Tenpin bowlers completed a diary to report their stressor encounters, coping strategies, coping effectiveness, resulting emotions and their intensity on a daily basis. Results showed that the tenpin bowlers experienced a limited (n = 5) number of stressors over time which accounted for 95% of the stressors reported, almost similar to those observed in Caucasian athletes. However, unlike Caucasian athletes our sample reported a similar number of positive and negative emotions. Context (training vs. competitions) and the importance of the competition were found to influence stress and coping process especially at the level of individual stressors. Findings suggest a need to further examine cultural similarities and differences in the stress, coping and emotion process among athletes to prevent misunderstanding and miscommunication. This will allow the development interventions which are not only situation and context specific but also culturally sensitive

MOOC Videos-Derived Emotions

MOOC, the acronym for Massive Open Online Course, is a relatively new medium for online course delivery that affords open access and mass participation of learners. Nevertheless, the high drop-out rate of MOOC learners remains as a challenge. Videos are extensively used as a medium of instruction in Massive Open Online Courses (MOOCs) and emotions play an important role in learning. This raises the question on how emotions relate to the various types of MOOC video. Thus, this paper examines the emotions derived by different types of commonly used MOOC videos. The study reveals that Picture in Picture, Text Overlay, Khan Style Tablet Capture, Screencast, and Animation video types in MOOCs are able to induce positive emotions and thus, should be leveraged by MOOC developers

Quantum interest in two dimensions

The quantum interest conjecture of Ford and Roman asserts that any negative-energy pulse must necessarily be followed by an over-compensating positive-energy one within a certain maximum time delay. Furthermore, the minimum amount of over-compensation increases with the separation between the pulses. In this paper, we first study the case of a negative-energy square pulse followed by a positive-energy one for a minimally coupled, massless scalar field in two-dimensional Minkowski space. We obtain explicit expressions for the maximum time delay and the amount of over-compensation needed, using a previously developed eigenvalue approach. These results are then used to give a proof of the quantum interest conjecture for massless scalar fields in two dimensions, valid for general energy distributions.Comment: 17 pages, 4 figures; final version to appear in PR

An ECG-SoC with 535nW/channel lossless data compression for wearable sensors

10.1109/ASSCC.2013.6691003Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013145-14

J Interpers Violence

Homicide-suicide incidents involving child victims can have a detrimental impact on survivors of the violence, family members and friends of the decedents, and other community members, but the rare occurrence of these acts makes using quantitative data to examine their associated antecedents challenging. Therefore, using qualitative data from the 2003-2011 National Violent Death Reporting System, we examined 175 cases of homicide-suicide involving child victims in an effort to better understand the complex situational factors of these events. Our findings indicate that 98% of homicide-suicides with child victims are perpetrated by adults (mostly parents) and propelled by the perpetrators' intimate partner problems, mental health problems, and criminal/legal problems. These events are often premeditated, and plans for the violence are sometimes disclosed prior to its occurrence. Findings provide support for several theoretical perspectives, and implications for prevention are discussed.CC999999/Intramural CDC HHS/United States2019-02-01T00:00:00Z26385898PMC4795978vault:1634

Macrostate Data Clustering

We develop an effective nonhierarchical data clustering method using an analogy to the dynamic coarse graining of a stochastic system. Analyzing the eigensystem of an interitem transition matrix identifies fuzzy clusters corresponding to the metastable macroscopic states (macrostates) of a diffusive system. A "minimum uncertainty criterion" determines the linear transformation from eigenvectors to cluster-defining window functions. Eigenspectrum gap and cluster certainty conditions identify the proper number of clusters. The physically motivated fuzzy representation and associated uncertainty analysis distinguishes macrostate clustering from spectral partitioning methods. Macrostate data clustering solves a variety of test cases that challenge other methods.Comment: keywords: cluster analysis, clustering, pattern recognition, spectral graph theory, dynamic eigenvectors, machine learning, macrostates, classificatio

The release of wastewater contaminants in the Arctic : a case study from Cambridge Bay, Nunavut, Canada

The treatment of municipal wastewater in the Arctic is challenging due to a variety of financial, operational, climatic and technical issues. To better understand the efficacy of current wastewater treatment in this region and the hazard posed to receiving waters, we assessed the occurrence of contaminants (i.e., pharmaceuticals, antibiotic resistance genes and nutrients) as they moved through a lagoon-based treatment system in Cambridge Bay in Nunavut, Canada. Wastewater treatment in this community is performed by the use of a lagoon-tundra wetland system that is discharged into the marine environment and is representative of current common practices throughout the region. In 2014, samples were collected before and during lagoon discharge from two locations in the main lagoon, one location downstream from the lagoon effluent and three locations offshore. Grab samples were collected to measure nutrients (e.g. total nitrogen and phosphorus) and the presence of antibiotic resistance gene-bearing microbes, and Polar Organic Chemical Integrative Samplers (POCIS) were deployed to collect passively organic contaminants in all locations. A total of six pharmaceuticals were detected from a screen of twenty-eight analytes during the study: atenolol, carbamazepine, clarithromycin, metoprolol, sulfamethoxazole and trimethoprim. The greatest concentrations of nutrients, antibiotic resistance genes (ARGs) and pharmaceuticals were found in sampling locations within the treatment lagoon. Offshore of the release point, we observed limited to no detection of pharmaceuticals and ARGs and no change in total nitrogen and phosphorus from pre-release. We conclude that the current concentrations of monitored pharmaceuticals do not pose a significant hazard at this time to aquatic organisms in Cambridge Bay

Regular supplementation with resveratrol improves bone mineral density in postmenopausal women: a randomised, placebo-controlled trial

Abstract not available.Rachel HX Wong, Jay Jay Thaung Zaw, Cory J Xian, and Peter RC How