Miracle-dz/UniFAR-FTUs huggingface dataset:
Health Anxiety in Children: Development and Psychometric Properties of the Childhood Illness Attitude Scales

The course of severe anxiety surrounding health issues is unknown. The available literature suggests that adults who are overly anxious about health issues often interpret or misinterpret their bodily signs and symptoms to be indicative of a serious illness. The construct of health anxiety has not been examined in children and, to date, there has not been an instrument developed for this purpose. The Illness Attitude Scales is one of the most commonly used instruments for evaluating fears, beliefs, and attitudes that are associated with hypochondriasis and abnormal illness behaviour in adults. We sought to adapt the Illness Attitude Scales for use with children ages 8–15 years. The adapted Illness Attitude Scales was renamed the Childhood Illness Attitude Scales. Revisions to the adult version consisted of simplification of language, revision of Likert scale (i.e. 5-point to 3-point scale), and the addition of 7 questions to evaluate the role parents/guardians play in facilitating medical attention or treatment. Correlations between Childhood Illness Attitude Scales total scores and other self-report measures were supportive of the construct-related validity of the Childhood Illness Attitude Scales and suggested that it is a useful measure of health anxiety in school-age children. Practical and theoretical implications of the present results are discussed.
Optimal pooling for genome re-sequencing with ultra-high-throughput short-read technologies

New generation sequencing technologies offer unique opportunities and challenges for re-sequencing studies. In this article, we focus on re-sequencing experiments using the Solexa technology, based on bacterial artificial chromosome (BAC) clones, and address an experimental design problem. In these specific experiments, approximate coordinates of the BACs on a reference genome are known, and fine-scale differences between the BAC sequences and the reference are of interest. The high-throughput characteristics of the sequencing technology makes it possible to multiplex BAC sequencing experiments by pooling BACs for a cost-effective operation. However, the way BACs are pooled in such re-sequencing experiments has an effect on the downstream analysis of the generated data, mostly due to subsequences common to multiple BACs. The experimental design strategy we develop in this article offers combinatorial solutions based on approximation algorithms for the well-known max n-cut problem and the related max n-section problem on hypergraphs. Our algorithms, when applied to a number of sample cases give more than a 2-fold performance improvement over random partitioning. Contact:cenk@cs.sfu. ca
Comprehensive School Reform Influence on Teacher Practice: Listening in the Classroom: An Examination of Powerful Learning Labs within the Accelerated Schools Project

An abstract of the dissertation of Amy Daggett Petti for the Doctor of Education in Educational Leadership: Administration presented April 29, 2002. Title: Comprehensive School Reform Influence on Teacher Practice: Listening in the Classroom: An Examination of Powerful Learning Labs within the Accelerated Schools Project Focusing on teacher learning, this study follows fifteen teachers in the crux of comprehensive school reform. These "regular" classroom teachers are the ubiquitous players of this theatre of school reform. "Regular" teacher is defined as a typical classroom teacher who is not actively involved in the district's school reform project or one who hasn't taken an active leadership role. The teachers in this study work in the challenging environment of a poor, diverse urban school district that was in its third year of a comprehensive school reform program, the Accelerated Schools Project. Fifteen teachers volunteered to take part in a teaching laboratory where they met, planned, taught, assessed and reflected on their practice. The study tells, analyzes and speculates about their journey. The Accelerated Schools Project (ASP) is a national comprehensive school improvement model that provides professional development to schools. The study
Gaze Patterns of Social and Nonsocial Stimuli: A Possible Early Marker for Autism Spectrum Disorder

The push for early identification and diagnosis of Autism Spectrum Disorder (ASD) has led to new developments in this area of research. Eye tracking is a promising behavioral screening measure that has been heavily investigated for over a decade. Differences in eye gaze between typically developing (TD) children and children with ASD when viewing social and nonsocial videos have been observed, but only within videos of children playing as social stimuli and with geometric shapes as nonsocial stimuli (Pierce et al., 2016; Shaffer et al., 2017). In addition to social stimuli and geometric shapes, the current study expanded on previous research by including nonsocial inverted and blurred videos as stimuli. Participants were 15 TD children, ages 8 months to 5 years, and two children with ASD, ages 3 months and 3 years old. Each child was observed through a Tobii eye tracking system as they watched eight consecutive 10 second videos with video clips alternating between social and nonsocial conditions (geometric, inverted, or blurred). The two children with ASD looked for a similar amount of time and with a similar number of saccades for each video type; the same was also true within the TD children condition. The absence of a difference in looking time and saccade number calls into question what really accounted for the difference in gaze patterns found in the previous research. Further examination into the use of eye tracking as a screening measure must be conducted before a fully implementable measure is established.
Road to collaboration: Experiential learning theory as a framework for environmental education program development

Abstract The purpose of this study was to evaluate an existing environmental education program involving a partnership between formal and nonformal educators. The outcomes of this study support the use of an outdoor field trip as an effective teaching strategy in positively changing students’ beliefs about the environment. This study also proposes Kolb’s Experiential Learning Theory as a framework and pedagogical basis for designing, implementing, and assessing effective outdoor field trips.
Rumor Identification in Microblogging Systems Based on Users’ Behavior

In recent years, microblog systems such as Twitter and Sina Weibo have averaged multimillion active users. On the other hand, the microblog system has become a new means of rumor-spreading platform. In this paper, we investigate the machine-learning-based rumor identification approaches. We observed that feature design and selection has a stronger impact on the rumor identification accuracy than the selection of machine-learning algorithms. Meanwhile, the rumor publishers' behavior may diverge from normal users', and a rumor post may have different responses from a normal post. However, mass behavior on rumor posts has not been explored adequately. Hence, we investigate rumor identification schemes by applying five new features based on users' behaviors, and combine the new features with the existing well-proved effective user behavior-based features, such as followers' comments and reposting, to predict whether a microblog post is a rumor. Experiment results on real-world data from Sina Weibo demonstrate the efficacy and efficiency of our proposed method and features. From the experiments, we conclude that the rumor detection based on mass behaviors is more effective than the detection based on microblogs' inherent features.
Automatic Image Enhancement by Content Dependent Exposure Correction

We describe an automatic image enhancement technique based on features extraction methods. The approach takes into account images in Bayer data format, captured using a CCD/CMOS sensor and/or 24-bit color images; after identifying the visually significant features, the algorithm adjusts the exposure level using a "camera response"-like function; then a final HUE reconstruction is achieved. This method is suitable for handset devices acquisition systems (e.g., mobile phones, PDA, etc.). The process is also suitable to solve some of the typical drawbacks due to several factors such as poor optics, absence of flashgun, and so forth.
Organizational citizenship behavior in the Arab education system in Israel: personal factors vs. intra-organizational factors

ABSTRACT The study examines the effects of personal factors (gender, marital status, education and seniority) and intra-organizational factors (transformational leadership, job satisfaction and trust in supervisor) on Organizational Citizenship Behavior (OCB) in the Arab education system in Israel. This is a quantitative study, based on questionnaires given to 211 teachers in the Arab education system in Israel. The results show a positive relationship between gender and OCB. A positive relationship was found between all intra-organizational factors and OCB. In addition, it was found that intra-organizational factors contribute more to explain OCB than personal factors do. Implications and directions for future research are discussed.
Subgroup-Elimination Transcriptomics Identifies Signaling Proteins that Define Subclasses of TRPV1-Positive Neurons and a Novel Paracrine Circuit

Normal and painful stimuli are detected by specialized subgroups of peripheral sensory neurons. The understanding of the functional differences of each neuronal subgroup would be strongly enhanced by knowledge of the respective subgroup transcriptome. The separation of the subgroup of interest, however, has proven challenging as they can hardly be enriched. Instead of enriching, we now rapidly eliminated the subgroup of neurons expressing the heat-gated cation channel TRPV1 from dissociated rat sensory ganglia. Elimination was accomplished by brief treatment with TRPV1 agonists followed by the removal of compromised TRPV1(+) neurons using density centrifugation. By differential microarray and sequencing (RNA-Seq) based expression profiling we compared the transcriptome of all cells within sensory ganglia versus the same cells lacking TRPV1 expressing neurons, which revealed 240 differentially expressed genes (adj. p<0.05, fold-change>1.5). Corroborating the specificity of the approach, many of these genes have been reported to be involved in noxious heat or pain sensitization. Beyond the expected enrichment of ion channels, we found the TRPV1 transcriptome to be enriched for GPCRs and other signaling proteins involved in adenosine, calcium, and phosphatidylinositol signaling. Quantitative population analysis using a recent High Content Screening (HCS) microscopy approach identified substantial heterogeneity of expressed target proteins even within TRPV1-positive neurons. Signaling components defined distinct further subgroups within the population of TRPV1-positive neurons. Analysis of one such signaling system showed that the pain sensitizing prostaglandin PGD2 activates DP1 receptors expressed predominantly on TRPV1(+) neurons. In contrast, we found the PGD2 producing prostaglandin D synthase to be expressed exclusively in myelinated large-diameter neurons lacking TRPV1, which suggests a novel paracrine neuron-neuron communication. Thus, subgroup analysis based on the elimination rather than enrichment of the subgroup of interest revealed proteins that define subclasses of TRPV1-positive neurons and suggests a novel paracrine circuit.
PRIME ELEMENTS IN PARTIALLY ORDERED GROUPOIDS APPLIED TO MODULES AND HOPF ALGEBRA ACTIONS

Primeness on modules can be defined by prime elements in a suitable partially ordered groupoid. Using a product on the lattice of submodules ℒ(M) of a module M defined in [3] we revise the concept of prime modules in this sense. Those modules M for which ℒ(M) has no nilpotent elements have been studied by Jirasko and they coincide with Zelmanowitz' "weakly compressible" modules. In particular we are interested in representing weakly compressible modules as a subdirect product of "prime" modules in a suitable sense. It turns out that any weakly compressible module is a subdirect product of prime modules (in the sense of Kaplansky). Moreover if M is a self-projective module, then M is weakly compressible if and only if it is a subdirect product of prime modules (in the sense of Bican et al.). An application to Hopf actions is given.
Linking Functional Requirements and Software Verification

Synchronization between component requirements and implementation centric tests remains a challenge that is usually addressed by requirements reviews with testers and traceability policies. The claim of this work is that linking requirements, their scenario-based formalizations, and software verification provides a promising extension to this approach. Formalized scenarios, for example in the form of low-level assume/assert statements in C, are easier to trace to requirements than traditional test sets. For a verification engineer, they offer an opportunity to better participate in requirements changes. Changes in requirements can be more easily propagated because adapting formalized scenarios is often easier than deriving and updating a large set of test cases. The proposed idea is evaluated in a case study encompassing over 50 functional requirements of an automotive software developed at Robert Bosch GmbH. Results indicate that requirement formalization together with formal verification leads to the discovery of implementation problems missed in a traditional testing process.
The smallest Hosoya index of unicyclic graphs with given diameter

The Hosoya index of a (molecular) graph is deflned as the total number of the matchings, including the empty edge set, of this graph. Let Un;d be the set of connected unicyclic (molecular) graphs of order n with diameter d. In this paper we completely characterize the graphs from Un;d minimizing the Hosoya index and determine the values of corresponding indices. Moreover, the third smallest Hosoya index of unicyclic graphs is determined. AMS subject classiflcations: 05C90
Cytogenetic profiles in multiple myeloma and monoclonal gammopathy of undetermined significance: a study in highly purified aberrant plasma cells

Cytogenetic studies in clonal plasma cell disorders have mainly been done in whole bone marrow or CD138+ microbead-enriched plasma cells and suggest that recurrent immunoglobulin heavy chain translocations - e.g. t(4;14) -are primary oncogenetic events. The aim of this study was to determine cytogenetic patterns of highly purified aberrant plasma cells (median purity ≥98%) in different clonal plasma cell disorders. We analyzed aberrant plasma cells from 208 patients with multiple myeloma (n=148) and monoclonal gammopathy of undetermined significance (n=60) for the presence of del(13q14), del(17p13) and t(14q32) using multicolor interphase fluorescence in situ hybridization. Additionally, immunoglobulin heavy chain gene arrangements were analyzed and complementarity determining region 3 was sequenced in a subset of patients and combined multicolor interphase fluorescence in situ hybridization/immunofluorescent protein staining analyses were performed in selected cases to confirm clonality and cytogenetic findings. At diagnosis, 96% of cases with multiple myeloma versus 77% of monoclonal gammopathy of undetermined significance cases showed at least one cytogenetic alteration and/or hyperdiploidy. The cytogenetic heterogeneity of individual cases reflected coexistence of cytogenetically-defined aberrant plasma cell clones, and led to the assumption that karyotypic alterations were acquired stepwise. Cases of multiple myeloma and monoclonal gammopathy of undetermined significance frequently showed different but related cytogenetic profiles when other cytogenetic alterations such as deletions/gains of the immunoglobulin heavy chain or the fibroblast growth factor receptor 3 were additionally considered. Interestingly, in 24% of multiple myeloma versus 62% of monoclonal gammopathy of undetermined significance patients with an immunoglobulin heavy chain translocation, aberrant plasma cells with and without t(14q32) coexisted in the same patient. Our data suggest that recurrent immunoglobulin heavy chain translocations might be absent in the primordial plasma cell clone in a significant proportion of patients with clonal plasma cell disorders carrying these cytogenetic alterations.
Theoretical and Conceptual Framework: Mandatory Ingredients of a Quality Research

Theoretical and conceptual frameworksguide the paths of a research and offer the foundation for establishing its credibility. Though these terms seem similar, they are different from each other in concept and in their roles in the research inquiry. However, many students find it difficult and confusing to distinguish between these two closely related frameworks while defining their roles in their research. Yet, the inclusion of a theoretical and/or conceptual framework is a mandatory requirement in a thesis or dissertation that shows the student’s map of the research s/he seeks to undertake. A good comprehension of both frameworks would inure to a good investigation. This article explains the meanings of the terms, their importance in the research process, their difference and similarities while offering insightful suggestions on how they can be constructed and utilized for a particular research.
Characterization of an Arabidopsis thaliana DNA hypomethylation mutant

We have recently isolated two Arabidopsis thaliana DNA hypomethylation mutations, identifying the DDM1 locus, that cause a 70% reduction in genomic 5-methylcytosine levels [1]. Here we describe further phenotypic and biochemical characterization of the ddm1 mutants. ddm1/ddm1 homozygotes exhibited altered leaf shape, increased cauline leaf number, and a delay in the onset of flowering when compared to non-mutant siblings in a segregating population. Our biochemical characterization investigated two possible mechanisms for DNA hypomethylation. In order to see if ddm1 mutations affect DNA methyltransferase function, we compared DNA methyltransferase activities in extracts from wild-type and ddm1 mutant tissues. The ddm1 mutant extracts had as much DNA methyltransferase activity as that of the wild-type for both the CpI and CpNpG substrates suggesting that the DDM1 locus does not encode a DNA methyltransferase. Moreover, the ddm1 mutations did not affect the intracellular level of S-adenosylmethionine, the methyl group donor for DNA methylation. The possibility that the DDM1 gene product functions as a modifier of DNA methylation is discussed.
Are your students absent, not absent, or present? Mindfulness and student performance

Abstract The concept of mindfulness has received significant attention in recent years as the effects of ubiquitous distractions become more apparent in the workplace and in education. This study examines the relationship between three measures of mindfulness and student performance among a sample of 922 students in introductory economics classes from two large public universities. The authors’ measures of mindfulness include general dispositional mindfulness levels, frequency of mobile device usage during class as a measure of classroom mindfulness, and frequency of test anxiety as a measure of assessment mindfulness. The results show a positive association between all three measures of mindfulness and overall performance. The association between dispositional mindfulness and performance was greater for female students and students with lower grade point averages.
Jenaer Schriften zur Wirtschaftswissenschaft Firm Survival in the German Automobile Industry

In this paper methods of duration analysis are applied to investigate determinants of firm survival in the German automobile industry during 1886-1939. Therefore a new comprehensive data set has been assembled in order to reach a data basis comparable to data sets for the US automobile industry. Our results show that the forces that shape the survival pattern of firms over the life cycle are quite similar in both countries, i.e. early entry in the life cycle and prior experience are associated with lower risk of exit. This result holds equally when parametric, semiparametric and nonparametric methods are applied. JEL classification: L10, L62, O33, C41 keywords: firm survival, experience, automobile industry, hazard rates
Throughput analysis of IEEE802.11n using OPNET

The aim of this paper is to evaluate the throughput performance of IEEE802.11n WLANs using a well-known commercial simulator called OPNET Modeler. We study the effects of IP packet size, Modulation and Coding Scheme (MCS), Channel Bonding, number of MIMO spatial streams, Block Acknowledgement (BA) and Type of Service (ToS)/Access Category (AC) on maximum throughput and Throughput Efficiency (TE). The impact of multiple users' access on TE is also analyzed. From these studies we offer fresh insights on underlying configurations and operating conditions which affect the peak throughput performance and efficiency of IEEE802.11n system. (7 pages)
Renal manifestations of Henoch–Schönlein purpura in a 6-month prospective study of 223 children

Objective To assess the risk factors for developing Henoch–Schönlein purpura nephritis (HSN) and to determine the time period when renal involvement is unlikely after the initial disease onset. Design A prospective study of 223 paediatric patients to examine renal manifestations of Henoch–Schönlein purpura (HSP). The patient's condition was monitored with five outpatient visits to the research centre and urine dipstick testing at home. Results HSN occurred in 102/223 (46%) patients, consisting of isolated haematuria in 14%, isolated proteinuria in 9%, both haematuria and proteinuria in 56%, nephrotic-range proteinuria in 20% and nephrotic-nephritic syndrome in 1%. The patients who developed HSN were significantly older than those who did not (8.2±3.8 vs 6.2±3.0 years, p<0.001, CI for the difference 1.1 to 2.9). Nephritis occurred a mean of 14 days after HSP diagnosis, and within 1 month in the majority of cases. The risk of developing HSN after 2 months was 2%. Prednisone prophylaxis did not affect the timing of the appearance of nephritis. The risk factors for developing nephritis were age over 8 years at onset (OR 2.7, p=0.002, CI 1.4 to 5.1), abdominal pain (OR 2.1, p=0.017, CI 1.1 to 3.7) and recurrence of HSP disease (OR 3.1, p=0.002, CI 1.5 to 6.3). Patients with two or three risk factors developed nephritis in 63% and 87% of cases, respectively. Laboratory tests or blood pressure measurement at onset did not predict the occurrence of nephritis. Conclusion The authors recommend weekly home urine dipstick analyses for the first 2 months for patients with HSP. Patients with nephritis should be followed up for more than 6 months as well as the patients with HSP recurrence.
A Survey Paper: Areas, Techniques and Challenges of Opinion Mining

Opinion Mining is a promising discipline, defined as an intersection of information retrieval and computational linguistic techniques to deal with the opinions expressed in a document. The field aims at solving the problems related to opinions about products, Politian in newsgroup posts, review sites, comments on Facebook posts and twitter etc. This paper is about to covers the techniques, applications, long and short future research areas, Research gaps and future challenges in opinion mining. Further, an attempt has been made to discuss in detail the use of supervised, unsupervised, machine learning and case based reasoning techniques in opinion mining to perform computational treatment of sentiments.