bluuebunny/crossref_metadata_2025_split huggingface dataset:
Learning by coding: A sociocultural approach to teaching web development in higher education
Authors: Faraon Montathar , Rönkkö Kari , Wiberg Mikael , Ramberg Robert 
Published: November 2019

AbstractAs information technology continues to evolve rapidly in society, coding skills become increasingly essential to develop. The purpose of this article is to examine differences between the learner-centered and sociocultural approaches when teaching and learning coding in higher education. A quasi-experiment was applied over six academic semesters evaluating the mentioned approaches in terms of students’ explicit attitudes, grades, and course evaluations. The findings indicated that the sociocultural approach may be a viable alternative to the learner-centered approach. More specifically, students indicated a preference for the sociocultural approach over the learner-centered approach, a greater number of students who passed the courses were educated via the sociocultural approach, and overall satisfaction was significantly higher for this approach as well. While the sociocultural approach has demonstrated to be advantageous, its integration in courses must concurrently be carefully balanced against constraints that teachers continuously experience in higher education, such as time and resources, which presents a challenge to the design of courses and to academia at large.
Matching self-reports with electrodermal activity data: Investigating temporal changes in self-regulated learning
Authors: Dindar Muhterem , Malmberg Jonna , Järvelä Sanna , Haataja Eetu , Kirschner Paul A. 
Published: November 2019

AbstractThis study investigated the interplay of temporal changes in self-regulated learning processes (i.e., behavioral, cognitive, motivational and emotional) and their relationship with academic achievement in computer-supported collaborative learning. The study employed electrodermal activity and self-report data to capture the dynamicity of self-regulated learning processes during 15 sessions of collaborative learning activities. Our findings revealed that the changes in motivational regulation was related to academic achievement. However, academic achievement was not related to behavioral regulation, cognitive regulation or emotional regulation. Physiological synchrony among the collaborating students was found to be related only to cognitive regulation. The results also showed that the concordance of self-report data among the collaborating students was related to higher physiological synchrony among them in the behavioral, cognitive, and motivational dimensions of self-regulated learning. The findings reflect the complexity of the relationships between self-regulated learning constructs and demonstrates the potential value of physiological measures in self-regulated learning research.
Esophageal cooling for protection during left atrial ablation: a systematic review and meta-analysis
Authors: Leung Lisa WM , Gallagher Mark M , Santangeli Pasquale , Tschabrunn Cory , Guerra Jose M , Campos Bieito , Hayat Jamal , Atem Folefac , Mickelsen Steven , Kulstad Erik 
Published: November 2019

Abstract
Purpose
Thermal damage to the esophagus is a risk from radiofrequency (RF) ablation of the left atrium for the treatment of atrial fibrillation (AF). The most extreme type of thermal injury results in atrio-esophageal fistula (AEF) and a correspondingly high mortality rate. Various strategies for reducing esophageal injury have been developed, including power reduction, esophageal deviation, and esophageal cooling. One method of esophageal cooling involves the direct instillation of cold water or saline into the esophagus during RF ablation. Although this method provides limited heat-extraction capacity, studies of it have suggested potential benefit. We sought to perform a meta-analysis of published studies evaluating the use of esophageal cooling via direct liquid instillation for the reduction of thermal injury during RF ablation.

Methods
We searched PubMed for studies that used esophageal cooling to protect the esophagus from thermal injury during RF ablation. We then performed a meta-analysis using a random effects model to calculate estimated effect size with 95% confidence intervals, with an outcome of esophageal lesions stratified by severity, as determined by post-procedure endoscopy.

Results
A total of 9 studies were identified and reviewed. After excluding preclinical and mathematical model studies, 3 were included in the meta-analysis, totaling 494 patients. Esophageal cooling showed a tendency to shift lesion severity downward, such that total lesions did not show a statistically significant change (OR 0.6, 95% CI 0.15 to 2.38). For high-grade lesions, a significant OR of 0.39 (95% CI 0.17 to 0.89) in favor of esophageal cooling was found, suggesting that esophageal cooling, even with a low-capacity thermal extraction technique, reduces the severity of lesions resulting from RF ablation.

Conclusions
Esophageal cooling reduces the severity of the lesions that may result from RF ablation, even when relatively low heat extraction methods are used, such as the direct instillation of small volumes of cold liquid. Further investigation of this approach is warranted, particularly with higher heat extraction capacity techniques.
The Helical Structure of Diallylamine in the Solid State
Authors: Pugh Chloe J. , Robertson Craig M. , Steiner Alexander 
Published: November 2019

Abstract
In the solid state diallylamine forms supramolecular helices with four molecules per pitch that are held together by hydrogen bonding. The helical structure is the result of competing length scales at which hydrogen bonding and second-neighbour Van-der-Waals interactions occur. The structure features two crystallographically independent helices and four unique molecules in the asymmetric unit (Z′ = 4). The high Z′ value is partly a consequence of the centrosymmetric pseudo-hexagonal packing of helical columns, which is incompatible with helical spacegroup symmetries.

Graphic Abstract
Delineation of management zones with spatial data fusion and belief theory
Authors: Vallentin Claudia , Dobers Eike Stefan , Itzerott Sibylle , Kleinschmit Birgit , Spengler Daniel 
Published: November 2019

AbstractPrecision agriculture, as part of modern agriculture, thrives on an enormously growing amount of information and data for processing and application. The spatial data used for yield forecasting or the delimitation of management zones are very diverse, often of different quality and in different units to each other. For various reasons, approaches to combining geodata are complex, but necessary if all relevant information is to be taken into account. Data fusion with belief structures offers the possibility to link geodata with expert knowledge, to include experiences and beliefs in the process and to maintain the comprehensibility of the framework in contrast to other “black box” models. This study shows the possibility of dividing agricultural land into management zones by combining soil information, relief structures and multi-temporal satellite data using the transferable belief model. It is able to bring in the knowledge and experience of farmers with their fields and can thus offer practical assistance in management measures without taking decisions out of hand. At the same time, the method provides a solution to combine all the valuable spatial data that correlate with crop vitality and yield. For the development of the method, eleven data sets in each possible combination and different model parameters were fused. The most relevant results for the practice and the comprehensibility of the model are presented in this study. The aim of the method is a zoned field map with three classes: “low yield”, “medium yield” and “high yield”. It is shown that not all data are equally relevant for the modelling of yield classes and that the phenology of the plant is of particular importance for the selection of satellite images. The results were validated with yield data and show promising potential for use in precision agriculture.
Analysis of polling models with a self-ruling server
Authors: van Ommeren Jan-Kees , Al Hanbali Ahmad , Boucherie Richard J. 
Published: November 2019

AbstractPolling systems are systems consisting of multiple queues served by a single server. In this paper, we analyze polling systems with a server that is self-ruling, i.e., the server can decide to leave a queue, independent of the queue length and the number of served customers, or stay longer at a queue even if there is no customer waiting in the queue. The server decides during a service whether this is the last service of the visit and to leave the queue afterward, or it is a regular service followed, possibly, by other services. The characteristics of the last service may be different from the other services. For these polling systems, we derive a relation between the joint probability generating functions of the number of customers at the start of a server visit and, respectively, at the end of a server visit. We use these key relations to derive the joint probability generating function of the number of customers and the Laplace transform of the workload in the queues at an arbitrary time. Our analysis in this paper is a generalization of several models including the exponential time-limited model with preemptive-repeat-random service, the exponential time-limited model with non-preemptive service, the gated time-limited model, the Bernoulli time-limited model, the 1-limited discipline, the binomial gated discipline, and the binomial exhaustive discipline. Finally, we apply our results on an example of a new polling discipline, called the 1 + 1 self-ruling server, with Poisson batch arrivals. For this example, we compute numerically the expected sojourn time of an arbitrary customer in the queues.
Sagittal Tibiotalar Alignment May Not Affect Functional Outcomes in Fixed-Bearing Total Ankle Replacement: A Retrospective Cohort Study
Authors: Nielsen Natalie M. , Saito Guilherme H. , Sanders Austin E. , Ellis Scott J. , Sofka Carolyn M. , Demetracopoulos Constantine A. 
Published: November 2019

Background In total ankle replacement (TAR), correct positioning of the implant is crucial. Malposition of the components may increase contact pressures and diminish prosthesis survival. The effect of sagittal tibiotalar alignment on functional outcomes after fixed-bearing TAR remains unclear, however, and no studies have compared fixed-bearing implants with respect to the anteroposterior (AP) position of the talar component. Questions/Purpose The purposes of this study were (1) to evaluate the effect of sagittal tibiotalar alignment on functional outcomes in fixed-bearing TAR and (2) to compare post-operative sagittal tibiotalar alignment in two types of fixed-bearing implants. Methods In a retrospective analysis of 71 primary TARs performed at a single center, we studied the INBONE™ II Total Ankle System and the Salto Talaris® Ankle. Radiographic measurements of the tibial axis–talus (T-T) ratio and the AP offset ratio were performed before and after surgery, respectively, and we evaluated Foot and Ankle Outcome Scores (FAOSs) and the 12-item Short Form Health Survey (SF-12) mental component summary (MCS) and physical component summary (PCS) scales pre-operatively and at 2 years after surgery. The Pearson correlation and independent-samples t test were used to evaluate differences in FAOSs, SF-12 MCS scores, and SF-12 PCS scores regarding post-operative sagittal alignment. Results Post-operative sagittal tibiotalar alignment was neutral in 39 ankles and anterior in 32 ankles. We observed no significant between-group differences in clinical outcome scores. Patients with a Salto Talaris Ankle prosthesis had a greater AP offset ratio (0.12) than patients with an INBONE II implant (0.05). However, the greater translation did not correlate with outcome scores. Conclusion At the 2-year follow-up, no correlation between the post-operative AP offset ratio and functional outcome scores was observed between the two fixed-bearing-implant groups. Further studies with longer follow-up are needed to determine whether the difference in sagittal alignment has an effect on functional outcomes in the long term.
Following the Evidence Practice: An Analysis of Evaluation Studies on EU Railway Policy
Authors: De Francesco Fabrizio 
Published: November 2019

AbstractSince the end of the 1990s, scholars have been paying particular attention to the link between evidence and policy because of the rise of evidence-based policy making and better regulation in the European Union political agenda. Documents such as evaluation studies are material traces of professional practice and the knowledge production process. Through the analytical perspective of evaluation practice, this contribution has two purposes. First, it differentiates three modes of evaluation theory and practice. Second, through a systematic content analysis of 52 evaluation studies of EU railway policy, it presents an overview of general patterns in the use of evaluative theories and practice. Besides contributing to the literature of evidence and policy practice, the article provides recommendations for EU evaluation and better regulation guidelines.
A Single Prior Injection of Methamphetamine Enhances Methamphetamine Self-Administration (SA) and Blocks SA-Induced Changes in DNA Methylation and mRNA Expression of Potassium Channels in the Rat Nucleus Accumbens
Authors: Jayanthi Subramaniam , Torres Oscar V. , Ladenheim Bruce , Cadet Jean Lud 
Published: November 2019

AbstractThe transition from occasional to escalated psychostimulant use is accelerated by prior drug exposure. These behavioral observations may be related to long-lasting transcriptional and/or epigenetic changes induced by the drug pre-exposure. Herein, we investigated if a single methamphetamine (METH) injection would enhance METH self-administration (SA) and impact any METH SA-induced epigenetic or transcriptional alterations. We thus injected a single METH dose (10 mg/kg) or saline to rats before training them to self-administer METH or saline. There were three experimental groups in SA experiments: (1) a single saline injection followed by saline SA (SS); (2) a single saline injection followed by METH SA (SM); and (3) a single METH injection followed by METH SA (MM). METH-pretreated rats escalated METH SA earlier and took more METH than saline-pretreated animals. Both groups showed similar incubation of cue-induced METH craving. Because compulsive METH takers and METH-abstinent rats show differences in potassium (K+) channel mRNA levels in their nucleus accumbens (NAc), we wondered if K+ channel expression might also help to distinguish between SM and MM groups. We found increases in mRNA and protein expression of shaker-related voltage-gated K+ channels (Kv1: Kcna1, Kcna3, and Kcna6) and calcium-activated K+ channels (Kcnn1) in the SM compared to MM rats. SM rats also showed decreased DNA methylation at the CpG-rich sites near the promoter region of Kcna1, Kcna3 and Kcnn1 genes in comparison to MM rats. Together, these results provide additional evidence for potentially using K+ channels as therapeutic targets against METH use disorder.
Conditional survival analysis for concrete bridge decks
Authors: Nabizadeh Azam , Tabatabai Habib , Tabatabai Mohammad A. 
Published: November 2019

AbstractBridge decks are a significant factor in the deterioration of bridges, and substantially affect long-term bridge maintenance decisions. In this study, conditional survival (reliability) analysis techniques are applied to bridge decks to evaluate the age at the end of service life using the National Bridge Inventory records. As bridge decks age, the probability of survival and the expected service life would change. The additional knowledge gained from the fact that a bridge deck has already survived a specific number of years alters (increases) the original probability of survival at subsequent years based on the conditional probability theory. The conditional expected service life of a bridge deck can be estimated using the original and conditional survival functions. The effects of average daily traffic and deck surface area are considered in the survival calculations. Using Wisconsin data, relationships are provided to calculate the probability of survival of bridge decks as well as expected service life at various ages. The concept of survival dividend is presented and the age when rapid deterioration begins is defined.
The relationship between workplace incivility and depersonalization towards co-workers: Roles of job-related anxiety, gender, and education
Authors: De Clercq Dirk , Haq Inam Ul , Azeem Muhammad Umer 
Published: November 2019

AbstractThis study contributes to management scholarship by unpacking the relationship between employees' exposure to workplace incivility and their exhibition of depersonalization towards co-workers, according to the mediating effect of job-related anxiety and the moderating effects of gender and education. Time-lagged data from employees in Pakistani organizations show that an important reason workplace incivility enhances depersonalization towards co-workers is that employees feel anxious about their jobs. This mediating role of job-related anxiety is particularly salient among male and higher-educated employees, possibly because they suffer from resource losses in the form of dignity threats when they are treated with disrespect. For organizations, this study accordingly pinpoints a key mechanism by which disrespectful workplace treatment can escalate into depersonalization towards co-workers (enhanced job-related feelings of anxiety), as well as how the strength of this mechanism might depend on individual factors.
Dorsolateral and ventrolateral prefrontal cortex structural changes relative to suicidal ideation in patients with depression
Authors: Zhang Ran , Wei Shengnan , Chang Miao , Jiang Xiaowei , Tang Yanqing , Wang Fei 
Published: November 2019

AbstractThe prefrontal cortex (PFC) is enormously important in suicide and major depressive disorder (MDD). However, little is known about the structural alterations in the brains of people with MDD and suicidal ideation. We examined the gray matter volume (GMV) of the PFC of individuals with MDD and suicidal ideation to determine if PFC volumetric differences contribute to suicidal ideation in patients with MDD. Thirty-five subjects with MDD and suicidal ideation, 38 subjects with MDD but without suicidal ideation, and 43 age- and gender-matched healthy control (HC) subjects underwent T1-weighted imaging. A voxel-based morphometric analysis was conducted to compare the PFC GMVs of the three groups. Further GMV reductions in the left and right dorsolateral PFC (DLPFC) and right ventrolateral PFC (VLPFC) were detected in the MDD with suicidal ideation group compared with those in the HC group and the MDD without suicidal ideation group, whereas the MDD without suicidal ideation group only exhibited significant differences in the left DLPFC relative to the HC group. Our findings demonstrated that left DLPFC reductions were associated with MDD and suicidal ideation, and diminished GMV reductions in the right DLPFC and right VLPFC were only associated with suicidal ideation. These results help us better understand the neuropathological changes in MDD with suicidal ideation.
Reliability of relational event model estimates under sampling: How to fit a relational event model to 360 million dyadic events
Authors: Lerner Jürgen , Lomi Alessandro 
Published: November 2019

AbstractWe assess the reliability of relational event model (REM) parameters estimated under two sampling schemes: (1) uniform sampling from the observed events and (2) case–control sampling which samples nonevents, or null dyads (“controls”), from a suitably defined risk set. We experimentally determine the variability of estimated parameters as a function of the number of sampled events and controls per event, respectively. Results suggest that REMs can be reliably fitted to networks with more than 12 million nodes connected by more than 360 million dyadic events by analyzing a sample of some tens of thousands of events and a small number of controls per event. Using the data that we collected on the Wikipedia editing network, we illustrate how network effects commonly included in empirical studies based on REMs need widely different sample sizes to be reliably estimated. For our analysis we use an open-source software which implements the two sampling schemes, allowing analysts to fit and analyze REMs to the same or other data that may be collected in different empirical settings, varying sample parameters or model specification.
Atonement: response to critics
Authors: STUMP ELEONORE 
Published: November 2019

AbstractIn this article, I respond to articles by Faith Pawl, Anne Jeffrey, and Kathryn Pogin that raise issues related to my book Atonement. The topics covered include the suffering of beasts, the necessity of Christ's atonement, the relationship of my interpretation of the doctrine of the atonement and that of Thomas Aquinas, and social and communal guilt and shame.
Graduate Qualitative Methods Training in Political Science: A Disciplinary Crisis
Authors: Emmons Cassandra V. , Moravcsik Andrew M. 
Published: November 2019

ABSTRACTMost political scientists conduct and publish qualitative research, but what training in qualitative methods do political science doctoral programs offer? Do scholarly views converge on the proper content of such training? Analysis of methods curricula and syllabi from 25 leading US political science doctoral programs reveals a troubling gap: only 60% of top departments offer any dedicated graduate training in qualitative methods. Departments can remedy this disjuncture between scholarship and training by enhancing their basic qualitative methods curricula. Our research shows that scholars agree broadly on the content of such training, effective pedagogical practices, major alternatives for curriculum design, and a menu of focused topics. Graduate programs that aspire to train professionally competent qualitative and multi-method researchers now can orient their reform efforts on shared disciplinary standards for qualitative methods training.
The 2007 Ning'er Mw 6.1 Earthquake: A Shallow Rupture in Southwest China Revealed by InSAR Measurements
Authors: Chen Wei , Qiao Xuejun , Xiong Wei , Yu Pengfei , Nie Zhaosheng 
Published: November 2019

AbstractThe Ning'er Mw 6.1 earthquake on 3 June 2007 occurred in the southwest to the Sichuan‐Yunnan rhombic block with complicated seismic structures. The focal depth determined by the U.S. Geological Survey is only 5 km, but the field investigation did not find obvious surface ruptures in the epicenter area. The magnitude obtained by inverting the broadband waveforms is Mw 6.4 that is much larger than the Mw 6.1 calculated by U.S. Geological Survey, indicating this event is complicated. The Interferometric Synthetic Aperture Radar is used to study the fault geometry, coseismic slip model, and Coulomb stress changes around the seismic region. It shows that this event is mainly dominated by a right‐lateral strike‐slip fault with a slight thrust component. The fault plane is 28‐km long along the strike and 14‐km wide along the dip. The maximum slip is up to 1.02 m at a depth of 3.6 km and the released moment is 2.57 × 1018 Nm, corresponding to a magnitude of Mw 6.25. The shallow source of this event is related to inelastic off‐fault deformations along the fault or magma chamber. The lack of obvious surface ruptures indicates the strain is not completely released. The coseismic Coulomb stress changes suggest this earthquake has enhanced the stress on the Puwen fault and Mohei fault. The future seismic risks of these two faults and its adjacent regions cannot be ignored since aftershocks are fewer and the residual strain unreleased by the Ning'er event.