bluuebunny/crossref_metadata_2025_split huggingface dataset:
PARENTAL AND SIBLING MIGRATION AND HIGH BLOOD PRESSURE AMONG RURAL CHILDREN IN CHINA
Authors: WEN MING , LI KELIN 
Published: April 2015

SummaryThis study examines the associations between parental and sibling rural-to-urban migration and blood pressure (BP) of rural left-behind children (LBC) in rural China. Analysis was based on the 2000, 2004, 2006 and 2009 waves of longitudinal data from the China Health and Nutrition Survey, which is an ongoing prospective survey covering nine provinces with an individual-level response rate of 88%. Blood pressure levels were measured by trained examiners at three consecutive times on the same visit and the means of three measurements were used as the final BP values. An ordinal BP measure was then created using a recently validated age–sex-specified distribution for Chinese children and adolescents, distinguishing normal BP, pre-hypertension and hypertension. Random effect modelling was performed. Different migration circumstances play different roles in LBC's BP with mother-only and both-parent migration being particularly detrimental and father-only and sibling-only migration either having no association or a negative association with LBC's BP levels or odds of high BP. In conclusion, the link between family migration and left-behind children's blood pressure is complex, and depends on who is the person out-migrating.
Communicating Private Information to the Equity Market Before a Dividend Cut: An Empirical Analysis
Authors: Chemmanur Thomas J. , Tian Xuan 
Published: April 2015

AbstractThis paper presents the first empirical analysis of the choice of firms regarding whether to release private information (“prepare the market”) in advance of a possible dividend cut and the consequences of such market preparation. We use a hand-collected data set of dividend cutting firms, which allows us to distinguish between prepared and nonprepared dividend cutters and to test the implications of two alternative theories: the “signaling through market preparation” theory and the “stock return volatility reduction” theory. We document several important differences between prepared and nonprepared dividend cutters. Overall, our empirical results are consistent with the signaling theory.
Do Better-Connected CEOs Innovate More?
Authors: Faleye Olubunmi , Kovacs Tunde , Venkateswaran Anand 
Published: April 2015

AbstractWe present evidence suggesting that chief executive officer (CEO) connections facilitate investments in corporate innovation. We find that firms with better-connected CEOs invest more in research and development and receive more and higher quality patents. Further tests suggest that this effect stems from two characteristics of personal networks that alleviate CEO risk aversion in investment decisions. First, personal connections increase the CEO’s access to relevant network information, which encourages innovation by helping to identify, evaluate, and exploit innovative ideas. Second, personal connections provide the CEO with labor market insurance that facilitates investments in risky innovation by mitigating the career concerns inherent in such investments.
Challenges due to changing ideas of natural resources: tourism and power plant development in the Icelandic wilderness
Authors: Sæþórsdóttir Anna Dóra , Saarinen Jarkko 
Published: April 2015

ABSTRACTThe Arctic and nearby remote areas are attracting more attention than ever before, because of their abundance of physical natural resources as well their wilderness environments which have become a major attraction for tourists. But use of land for tourism practices can lead to conflicts with other industries that utilise natural resources. Tourism in Iceland has grown rapidly in recent decades and nature and the wilderness is the main attraction. As well as being an important resource for the tourism industry, wilderness and natural areas are also very valuable for hydro–electric and geothermal power production. During the latter half of the last century several glacier–fed rivers in the highlands were dammed and hydropower plants built. Now there are plans for further exploitation of the natural resources which creates challenges and conflicts as many of the proposed power plants are located in natural areas, some of which are defined as wilderness. The purpose of this paper is to analyse the development of tourism in the Icelandic highlands and power production development and the challenges created by the changing idea of natural resources. It discusses a governmental project which is intended to solve the challenging conflicts about the use of natural areas. The project exposed the fact that the energy resources in the country are a far more limited resource than has previously been assumed. The power production industry now has to share the limited natural resources with the tourism industry. Thereby the ideas about natural resources and their utilisation are being re–defined by Icelandic society, depending on technology, global influences and other social trends.
Roman Magic Figurines from the Western Provinces of the Roman Empire: An Archaeological Survey
Authors: Bailliot Magali 
Published: April 2015

AbstractThis paper deals with magic figurines from the Western provinces of the Roman Empire based on an inventory of twelve figurines and their archaeological context. It underlines the place of the figurines in the ritual ofdefixioand demonstrates that complex curse rituals such as those described in the Greek Magical Papyri (GMP) were not performed only in the Mediterranean basin. It also notes that these magic Western figurines are often found in important places (such as cities and large villas) and in late contexts.
Mother–child talk during joint book reading in two social classes in Taiwan: Interaction strategies and information types
Authors: CHANG CHIEN-JU , HUANG CHO-CHI 
Published: April 2015

ABSTRACTThis paper aims to understand mother–child book-reading interactions in different socioeconomic classes in Taiwan. Two groups of 16 mothers and their 3-year-old children, one from upper-middle socioeconomic backgrounds and the other from low-income families, participated in this study. Each dyad was visited at home, and mothers were asked to read a book with their children. Interactions during joint book reading were tape-recorded, transcribed, coded, and analyzed using the Child Data Exchange System. The results showed that mothers from the upper middle class tended to encourage children to narrate the story, ask open-ended questions, and discuss nonimmediate information, while the low-income mothers tended to take book reading as their responsibility and required their children to be attentive. Educational implications and suggestions for further research were discussed.
Lexical activation effects on children's sentence planning and production
Authors: CHAREST MONIQUE , JOHNSTON JUDITH R. , SMALL JEFF A. 
Published: April 2015

ABSTRACTWe investigated the relationship between lexical activation and syntactic planning in children's sentences. Four- and 7-year-old children described transitive scenes following patient-related prime pictures and control pictures. We examined syntactic choices, and compared onset latency, sentence length, and dysfluency rates for active transitive sentences in the two conditions. Early activation of the patient in the primed condition did not lead to the production of patient-subject sentences, but it did have consequences for active transitive sentence production. Namely, onset latencies were longer and sentences were shorter in the primed condition. Dysfluency rates did not differ between the two conditions. Correlation analyses revealed a stronger pattern of association between working memory scores and language variables in the patient-primed condition. The results indicate that conflicts between lexical activation order and syntactic plans are a source of processing difficulty during children's sentence production.
‘I don't know if you want to know this’: carers’ understandings of intimacy in long-term relationships when one partner has dementia
Authors: YOUELL JANE , CALLAGHAN JANE E. M. , BUCHANAN KEVIN 
Published: April 2015

ABSTRACTThis article explores experiences of relational intimacy (including sexual intimacy) in long-term relationships when one partner has dementia. An emerging body of research focuses on living with dementia, but work on relationships between people with dementia and their family and loved ones tends to focus on understanding the experience of caring, and on constructs like ‘care burden’. Research concerned with the lived experience of relationships themselves is less frequent, and very little published work focuses on experiences of sex and intimacy. This qualitative study explores how six participants experience their intimate relationships with their partners with dementia. Semi-structured interviews provided a rich source of data which were analysed using Interpretive Phenomenological Analysis. Three master themes emerged from our analysis: ‘everydayness’, ‘absent presence’ and ‘I don't know if you want to know this…’. Participants explored how living with dementia constructed specific, everyday relational challenges, and disrupted everyday intimacies. Intimacy, including sexual intimacy, remains an important element of older couple relationships. Relational experiences present specific and difficult to articulate experiences for the partners of people living with dementia – particularly experiences related to sex and sexuality. Representations of older adults (particularly older adults with a long-term illness) as relatively asexual beings can make elements of these relational challenges particularly difficult to express.
Bayesian framework for bilateral teleoperation systems over unreliable network
Authors: Lee Jae-young , Payandeh Shahram 
Published: April 2015

SUMMARYIn this paper, we present a novel stochastic framework for network-based bilateral teleoperation systems. A Bayesian approach, which provides robust tracking performance in real-world applications, is proposed to estimate and predict the stochastic variables and compensate for the unreliable network conditions. Combining with a practical approach in transport and application layers of the Internet, this paper demonstrates a high performance and efficient prediction and estimation method for bilateral teleoperation system. Experimental results show that the proposed Bayesian approach estimates and predicts true position and force data over unreliable network conditions, and therefore, improves the performance of overall teleoperation systems.
Design of an XY-theta platform held by a planar manipulator with four revolute joints and evaluation of its precision performances
Authors: Hijazi Anas , Brethé Jean-François , Lefebvre Dimitri 
Published: April 2015

SUMMARYThis paper is about the precision performance evaluation of an XY-theta platform, with a patented kinematic design. Indeed, this platform is held by a serial redundant robot arm actuated with four revolute joints. The platform offers a wide 300 × 300 mm workspace, whereas the whole mechanism is extremely compact. Any workpiece on the platform can be positioned under a vertical axis to be grasped or manufactured in a two-step approach: in a coarse positioning mode, the four revolute joints are controlled to position and orientate the workpiece with a position error of less than 10 μm; in a fine positioning mode, two revolute joints are mechanically blocked while two others are controlled to reduce the final error to below 2 μm. The mechanism design and the choice of the blocked and moving joints are optimized to enhance the positioning performances in the two-step positioning method. In this paper, the platform positioning repeatability and its spatial resolution are characterized with the help of a camera. The advantage of this method is that it avoids any mechanical contact and can be implemented easily. Then, these results are compared to our previous precision performance evaluation obtained with the stationary cube method. Finally, the positioning repeatability is estimated at 6.5 μm in the coarse positioning mode and 1.4 μm in the fine positioning mode. Between the coarse and fine mode, the repeatability is thus improved by the factor of four, as predicted by the theory.
Inherited and environmental influences on a childhood co-occurring symptom phenotype: Evidence from an adoption study
Authors: Roos Leslie E. , Fisher Philip A. , Shaw Daniel S. , Kim Hyoun K. , Neiderhiser Jenae M. , Reiss David , Natsuaki Misake N. , Leve Leslie D. 
Published: April 2015

AbstractRisk factors for the childhood development of co-occurring internalizing and externalizing symptoms are not well understood, despite a high prevalence and poor clinical outcomes associated with this co-occurring phenotype. We examined inherited and environmental risk factors for co-occurring symptoms in a sample of children adopted at birth and their birth mothers and adoptive mothers (N= 293). Inherited risk factors (i.e., birth mothers' processing speed and internalizing symptoms) and environmental risk factors (i.e., adoptive mothers' processing speed, internalizing symptoms, and uninvolved parenting) were examined as predictors for the development of internalizing-only, externalizing-only, or co-occurring symptoms using structural equation modeling. Results suggested a unique pattern of predictive factors for the co-occurring phenotype, with risk conferred by adoptive mothers' uninvolved parenting, birth mothers' slower processing speed, and the birth mothers' slower processing speed in tandem with adoptive mothers' higher internalizing symptoms. Additional analyses indicated that when co-occurring-symptom children were incorporated into internalizing and externalizing symptom groups, differential risk factors for externalizing and internalizing symptoms emerged. The findings suggest that spurious results may be found when children with co-occurring symptoms are not examined as a unique phenotypic group.
Trajectories of relationship stress and inflammatory processes in adolescence
Authors: Ehrlich Katherine B. , Miller Gregory E. , Rohleder Nicolas , Adam Emma K. 
Published: April 2015

AbstractResearchers have identified cross-sectional links between interpersonal stress and inflammation. Little is known, however, about how these dynamics unfold over time, what underlying immune pathways might exist, or whether moderators such as race could alter the strength of the connection between interpersonal stress and inflammatory processes. We examined whether adolescent girls whose relationship trajectories were characterized by chronic stress would exhibit a proinflammatory phenotype marked by systemic inflammation, heightened cytokine responses to bacterial challenges, and resistance to the anti-inflammatory properties of cortisol. Significant Stress × Race interactions revealed that family stress trajectories predicted glucocorticoid sensitivity and peer stress trajectories predicted cytokine production for White but not Asian girls. Relationship stress trajectories were not associated with systemic inflammation, however. These findings suggest that particular subgroups of adolescent girls who face chronic and elevated stress in their close relationships may be at risk for disruptions to the immune system.
Assessing Impairment of Executive Function and Psychomotor Speed in Premanifest and Manifest Huntington’s Disease Gene-expansion Carriers
Authors: Unmack Larsen Ida , Vinther-Jensen Tua , Gade Anders , Nielsen Jørgen Erik , Vogel Asmus 
Published: April 2015

AbstractExecutive functions (EF) and psychomotor speed (PMS) has been widely studied in Huntington’s disease (HD). Most studies have focused on finding markers of disease progression by comparing group means at different disease stages. Our aim was to investigate performances on nine measures of EF and PMS in a group of premanifest and manifest HD-gene expansion carriers and to investigate which measures were most sensitive for assessment of individual patients by analyzing frequencies of impaired performances relative to healthy controls. We recruited HD gene-expansion carriers, 48 manifest and 50 premanifest and as controls 39 healthy gene-expansion negative individuals. All participants underwent neurological examination and neuropsychological testing with nine cognitive measures. The frequency of impairment was investigated using cutoff scores. In group comparisons the manifest HD gene-expansion carriers scored significantly worse than controls on all tests and in classification of individual scores the majority of scores were classified as probably impaired (10th percentile) or impaired (5th percentile) with Symbol Digit Modalities Test (SDMT) being the most frequently impaired. Group comparisons of premanifest HD gene-expansion carriers and healthy controls showed significant differences on SDMT and Alternating fluency tests. Nevertheless the frequencies of probably impaired and impaired scores on individual tests were markedly higher for Alternating and Lexical fluency tests than for SDMT. We found distinct group differences in frequency of impairment on measures of EF and PMS in manifest and premanifest HD gene-expansion carriers. Our results indicate to what degree these measures can be expected to be clinically impaired. (JINS, 2015, 21, 1–10)
A Bicentenary in Robert Morrison's Scholarship on China And his Significance for Today
Authors: BARRETT T. H. 
Published: April 2015

AbstractRobert Morrison (1782–1834), the first Protestant missionary to China, was responsible for the completion of the earliest Chinese-English Dictionary in 1814. Though this work would not have reached publication without the help of Chinese assistants, and of the printer P. P. Thoms (1790–1855), even so Morrison's scholarly achievements in this and other aspects of Chinese studies were prodigious. This survey of recent research makes clear the continuing value of his writings to contemporary scholars, and also suggests that he was not simply more seriously engaged in attempting to understand China than his contemporaries but also more enlightened than a good number of his successors in missionary work.
Financial market assumptions and pension plan models: a comment on PIMS model asset markets assumptions
Authors: GECZY CHRISTOPHER C. 
Published: April 2015

AbstractThe financial market assumptions of the Pension Benefit Guaranty Corporation (PBGC)'s Pension Insurance Modeling System model are critical inputs to simulations for most apparent uses of the system. They currently appear to be based on a reduced form, ‘classical’ approach to assessing and forecasting the distribution of returns on various classes of input assets, allowing for a fairly sophisticated and useful approach to understanding simulated distributions of potential pension insurance outcomes as well as the net financial status of the PBGC. This technical note discusses some of the capital market side assumptions utilized in the model. It also comments on important related assumptions including the assumed asset allocations of insured plans, making suggestion for possible modification of input assumptions of the model to reflect time variation in financial market return behavior as well as time variation in observed plan allocations.
Two States in the Holy Land?: International Recognition and the Israeli-Palestinian Conflict
Authors: Mirilovic Nikola , Siroky David S. 
Published: April 2015

AbstractHow do states decide to extend or withhold international recognition in cases of contested sovereignty? We focus on how religion shapes the incentives of states in making this decision, both at the domestic level through religious institutions and at the international level through religious affinities. States with transnational religious ties to the contested territory are more likely to extend recognition. At the domestic level, states that heavily regulate religion are less likely to extend international recognition. We test these conjectures, and examine others in the literature, with two new data sets on the international recognition of both Palestine and Israel and voting on the United Nations resolution to admit Palestine as a non-member state observer, combined with global data on religious regulation and religious affinities. In cases of contested sovereignty, the results provide support for these two mechanisms through which religion shapes foreign policy decisions about international recognition.
Combined Hydrophobicity and Mechanical Durability through Surface Nanoengineering
Authors: Elliott Paul R. , Stagon Stephen P. , Huang Hanchen , Furrer David U. , Burlatsky Sergei F. , Filburn Thomas P. 
Published: April 2015

AbstractThis paper reports combined hydrophobicity and mechanical durability through the nanoscale engineering of surfaces in the form of nanorod-polymer composites. Specifically, the hydrophobicity derives from nanoscale features of mechanically hard ZnO nanorods and the mechanical durability derives from the composite structure of a hard ZnO nanorod core and soft polymer shell. Experimental characterization correlates the morphology of the nanoengineered surfaces with the combined hydrophobicity and mechanical durability and reveals the responsible mechanisms. Such surfaces may find use in applications, such as boat hulls, that benefit from hydrophobicity and require mechanical durability.
Approaching the alloy limit of thermal conductivity in single-crystalline Si-based thermoelectric nanocomposites: A molecular dynamics investigation
Authors: Guo Ruiqiang , Huang Baoling 
Published: April 2015

AbstractSingle-crystalline Si-based nanocomposites have become promising candidates for thermoelectric applications due to their prominent merits. Reducing the thermal conductivity κ without deteriorating the electrical properties is the key to improve their performance. Through non-equilibrium molecular dynamics simulations, we show that κ of single-crystalline Si-based nanocomposites can be reduced to the alloy limit by embedding various nanoinclusions of similar lattice constants but different lattice orientations or space symmetries with respect to the matrix. The surprisingly low κ is mainly due to the large acoustic phonon density of states mismatch caused by the destruction of lattice periodicity at the interfaces between the nanoinclusions and matrix, which leads to the substantial reduction of phonon group velocity and relaxation time, as well as the enhancement of phonon localization. The resulting κ is also temperature-insensitive due to the dominance of boundary scattering. The increase in thermal resistance induced by lattice structure mismatch mainly comes from the nanoinclusions and the channels between them and is caused by the enhanced boundary scattering at the interfaces parallel to the heat flux. Approaching the alloy limit of κ with potentially improved electrical properties by fillers will remarkably improve ZT of single-crystalline Si-based nanocomposites and extend their application.