bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Teaching of Numbers in Common Preschool Activities: A Delicate Balancing Act
Authors: Palmér Hanna , Björklund Camilla 
Published: June 2022

AbstractThis paper reports on a combined research-development project conducted in collaboration between researchers and preschool teachers in three Swedish preschools. The aim is to investigate how ongoing preschool activities may become the starting point for mathematics teaching in which toddlers are given the opportunity to distinguish necessary aspects of numbers. One challenge in preschool education is the balance between children’s previous experiences and interests versus offering them new experiences and challenges towards a learning goal. In the article, empirical examples are used to illustrate how small changes in an activity may open up opportunities for toddlers to discern different critical aspects of numbers without losing the activity’s initial intention. Principles for how early numeracy education can be designed to achieve this balancing act are presented and elaborated on.
Applying the Multi-Scale Integrated Analysis of Societal and Ecosystem Metabolism (MuSIASEM) to characterize the society–agriculture–forest system: the case of Huayopata, Cuzco (Peru)
Authors: Cadillo-Benalcazar Juan José , Silva-Macher José Carlos , Salinas Norma 
Published: June 2022

AbstractThe divergence between the disappearance of primary forests and the appearance of secondary forests indicates a set of circumstances that simultaneously converge in what we called the society–agriculture–forest complex. Such circumstances vary between places and over time and are associated with internal factors—factors originating within the reference system—and external factors—factors originating outside the borders of the reference system—restrict the use of standard strategies for any reality. We present a quantitative model that helps to understand the relationships of the society–agriculture–forest complex as a whole. This comprehensive understanding will allow a clearer discussion of the positive and negative consequences of prioritizing actions on any of the system components. Our model establishes a set of quantitative relationships among: (i) the requirements of food and timber products for society to maintain its structure and functionality, (ii) the level of openness of the society with respect to other societies for the exchange of resources, and (iii) the interface between the economic productive systems and the ecological productive systems. To test the model, the case of Huayopata (Peru) was studied. Findings suggest that the abandonment of agricultural production and, particularly, of tea favors the appearance of secondary forests. However, projects by the Congress of Peru to reactivate the production of tea without adequate technological support to improve the current processes that use firewood for boilers would put the forestry system at risk. In addition, a potential worker 'pull factor' could reconfigure the food system and impact on the local agricultural sector.
Detecting land use changes using hybrid machine learning methods in the Australian tropical regions
Authors: Sedighkia Mahdi , Datta Bithin 
Published: June 2022

AbstractThe present study evaluates the application of the hybrid machine learning methods to detect changes of land use with a focus on agricultural lands through remote sensing data processing. Two spectral images by Landsat 8 were applied to train and test the machine learning model. Feed forward neural network classifier was utilized as the machine learning model in which two evolutionary algorithms including particle swarm optimization and invasive weed optimization were applied for the training process. Moreover, three conventional training methods including Levenberg–Marquardt back propagation (LM), Scaled conjugate gradient backpropagation (SCG) and BFGS quasi-Newton backpropagation (BFG) were used for comparing the robustness and reliability of the evolutionary algorithms. Based on the results in the case study, evolutionary algorithms are not a reliable method for detecting changes through the remote sensing analysis in terms of accuracy and computational complexities. Either BFG or LM is the best method to detect the agricultural lands in the present study. BFG is slightly more robust than the LM method. However, LM might be preferred for applying in the projects due to low computational complexities.
Genotypic diversity and population structure of the apricot landraces of the Campania region (Southern Italy) based on fluorescent SSRs
Authors: Basile Boris , Rao Rosa , Corrado Giandomenico 
Published: June 2022

AbstractApricot (Prunus armeniaca L.) is a cosmopolitan, major stone fruit species cultivated for its delicious drupes. Strong concerns about loss of diversity in apricot have been recently put forward mainly because of the enduring transition from local to globalized varieties more suitable for intensive agriculture. Italy, one of the top producing countries in the world, has arguably one of the richest apricot germplasms, with the Campania region being a traditional and leading area of cultivation since Roman times. This work aimed to study the molecular diversity of an ex-situ collection of local apricot varieties. They once flourished in conventional cropping systems, but are nowadays neglected, surviving in family farms, and sold only in local markets. We investigated the level of genetic and genotypic diversity, assessed clonality in the population, and verified the presence of genetic structure and differentiation in 73 apricot varieties by using fluorescent SSR markers resolved in capillary electrophoresis (SSR-CE). The analysis indicated a high level of genetic diversity (with little locus-specific differences) and of genotypic assortment, with few possible synonyms. Moreover, the investigation of relatedness among apricot landraces and the negligible within-landraces differentiation are consistent with a common origin of the germplasm, a likely result of an adaptive diversification that is mainly due to similar environmental and agricultural factors. This work highlights the value of the traditional germplasm where crops thrived. Moreover, it provides support for studying the possible mechanisms of evolution and adaptation and for implementing measures for the exploitation, regeneration, and on-farm promotion of the apricot landraces.
‘They ask no questions and pass no criticism’: A mixed-methods study exploring pet ownership in autism
Authors: Atherton Gray , Edisbury Emma , Piovesan Andrea , Cross Liam 
Published: June 2022

AbstractMany autistic people cite a strong attachment to animals, and some studies suggest they may even show a bias towards animals over people. This mixed-methods study explored companion animal attachment in the adult autistic community. In a quantitative study with 735 people, we found that autistic adults were equally attached to their pets as neurotypicals but were less likely to own them, even though pet ownership corresponded with better mental health outcomes. Substituting pets for people also served as a compensatory mechanism for social contact in the autistic sample. In a second qualitative study, we explored the lived experiences of 16 autistic pet owners. The interpretive phenomenological analysis highlighted the benefits and the barriers to animal companionship. Together these mixed methods findings underline how pets improve the lives of their autistic owners. We conclude with specific recommendations for increasing animal companionship opportunities for autistic adults.
Forecasts of butterfly future richness change in the southwest Mediterranean. The role of sampling effort and non-climatic variables
Authors: García-Barros Enrique , Cancela Juan Pablo , Lobo Jorge M. , Munguira Miguel L. , Romo Helena 
Published: June 2022

AbstractWe estimated the potential impact of Global Warming on the species richness of Iberian butterflies. First, we determined the grid size that maximized the balance between geographic resolution, area coverage and environmental representativeness. Contemporary richness was modelled in several alternative ways that differed in how sampling effort was controlled for, and in whether the non-climatic variables (physiography, lithology, position) were incorporated. The results were extrapolated to four WorldClim scenarios. Richness loss is to be expected for at least 70% of the area, with forecasts from the combined models being only slightly more optimistic than those from the purely climatic ones. Overall, the most intense losses are predicted for areas of highest contemporary species richness, while the potential slightly positive or nearly neutral changes would most often concentrate in cells of low to moderate present richness. The environmental determinants of richness might not be uniform across the geographical range of sampling effort, suggesting the need of additional data from the least intensively surveyed areas.Implications for insect conservationRe-assessing richness and its environmental determinants in the area proves necessary for more detailed forecasts of the climate-driven changes in butterfly species richness. The expected future conditions imply widespread losses of regional richness, even under the less severe scenarios. Since the negative impact of warming is expected to be extensive, long term conservation plans should concentrate in the present protected areas of highest richness as these are most likely to represent the last refuges for mountain species.
Fascinating study of adding nanocomposite cobalt nano ferrite to silver nanoparticles accompanied magnetite impurity
Authors: El-Bassuony Asmaa A. H. , Gamal W. M. , Abdelsalam H. K. 
Published: June 2022

AbstractThe nanomaterials silver nanoparticles accompanied magnetite impurity (Ag–Fe3O4) (AF) and cobalt nano ferrite/silver–magnetite (0.3 CoFe2O4/0.7Ag–Fe3O4) (CAF) nanocomposite were prepared by flash auto-combustion using urea as fuel. This is the first time preparing this new nanocomposite material. The as-prepared nanomaterials were characterized by X-ray diffraction pattern, atomic force microscopy, and Fourier transform infrared spectroscopy. This characterization affirmed that the nanoparticles were prepared in the nanoscale range with a cubic structure. The saturation magnetization of the CAF nanocomposite is 29-fold that of AF nanoparticles, and the coercivity of CAF is 19-fold that of AF. Moreover, a transformation from a soft hysteresis loop (AF) to a hard hysteresis loop for the CAF nanoscale makes CAF nanocomposite suitable for many technological applications, especially in a permanent magnet. Also, magnetic measurements showed that the operating frequency value of AF nanoparticles is very high in the radio wave region, and that of the CAF nanocomposite is an ultra-high frequency in the microwave S-band region. Unexpected behavior appeared for the antimicrobial activity of CAF nanocomposite. It was found that AF nanoparticles gave strong antimicrobial efficacy than CAF nanocomposite against the tested gram-positive and gram-negative bacteria. Thus, the AF and CAF nanomaterials are promising for many technological applications, especially biomedical ones for AF nanoparticles and a permanent magnet for CAF nanocomposite.
Validation of the “Study-Anxiety” Questionnaire: a scale for the initial assessment of university students seeking psychological help
Authors: Casali Nicole , Ghisi Marta , Rizzato Roberta , Meneghetti Chiara , De Beni Rossana 
Published: June 2022

AbstractStudents can turn to university counseling services for several reasons, ranging from study-related to emotional issues; yet, few instruments assess both dimensions. This study examines the validity of the “Study-Anxiety” Questionnaire (SAQ), a measure evaluating study strategies, motivation and anxiety in students seeking psychological help. Two samples of students (Sample 1 and 2, n = 910, Mage = 22.78, SD = 2.6) completed the SAQ only, while a third sample (Sample 3, n = 100, Mage = 23.22, SD = 2.3) also filled measures of self-regulated learning and anxiety. Exploratory factor analysis on Sample 1 indicated a 4-factor structure (cognitive and behavioral study strategies, motivation, and anxiety), confirmed through confirmatory factor analysis on Sample 2. The four factors presented satisfactory internal consistency; sex invariance was supported, as well as convergent validity with measures of SRL and anxiety. Overall, SAQ emerged as a reliable measure to capture academic and emotional difficulties.
Overcoming Procrastination: Time Pressure and Positive Affect as Compensatory Routes to Action
Authors: Kühnel Jana , Bledow Ronald , Kuonath Angela 
Published: June 2022

AbstractThe current work seeks to identify factors that support action initiation from the theoretical lens of self-regulation. Specifically, we focus on factors that reduce procrastination, the delay of the initiation or completion of activities. We draw from action control theory and propose that positive affect operates as a personal and time pressure as a situational factor that unblock routes to action. High positive affect makes people less prone to procrastination because positive affect reduces behavioral inhibition and facilitates the enactment of intentions. By contrast, when positive affect is low, people depend on time pressure as an action facilitating stimulus. We present results of a daily diary study with 108 participants that support our hypotheses. We replicate the findings in the context of work in a second daily diary study with 154 employees. We discuss benefits and drawbacks of the enactment of intentions under time pressure and implications of the results for how to reduce procrastination.
Videos with Hands: an Analysis of Usage and Interactions of Undergraduate Science Students for Acquiring Physics Knowledge
Authors: Garcia Victor , Conesa Jordi , Perez-Navarro Antoni 
Published: June 2022

AbstractVideos created with the hands of teachers filmed have been perceived as useful educational resource for students of Physics in undergraduate courses. In previous works, we analyzed the students’ perception about educational videos by asking them about their experiences. In this work, we analyze the same facts, but from a learning analytics perspective, by analyzing the interactions that students have with the videos during their learning experience. With this analysis, we obtain how students behave and may compare whether their behavior aligns with the perceptions obtained from previous research. The data analyzed in this work corresponds to the students’ interactions with educational videos during 5 semesters in two different courses of Physics within online degrees of Telecommunication and Computer Science. It has been found that the topic taught in the videos has influence in the way videos are used by the students. Regarding the type of content (theory or problem-solving), problem-solving videos are more used by students, although interactions with both videos are similar. This difference differs with previous results based on students’ perception. The contribution of the paper is to provide more ground and knowledge about the way the educational videos are consumed in Physics courses. The new knowledge can be used to improve the way videos are incorporated within courses and, therefore, to improve the student learning experiences.
Possibilities and paradoxes in medicine: love of order, loveless order and the order of love
Authors: Eriksen Thor Eirik 
Published: June 2022

AbstractWe have a desire to discover and create order, and our constitution, including our rational faculties, indicates that we are predisposed for such productivity. This affinity for order and the establishment of order is fundamental to humans and naturally also leaves its mark on the medical discipline. When this profession is made subject to criticism, frequently in terms of well-used reproofs such as reductionism, reification and de-humanisation, this systematising productivity is invariably involved in some way or other. It is, however, problematic that we rarely delve deeper and ask what order means, or reflect on its underlying, omnipresent and self-evident role. In order to approach this challenge, we initially and briefly place order in a conceptual and historical context. In what follows, we examine order explicitly, i.e. made an object of study, by taking a closer look at extensive multidisciplinary efforts to uncover the secrets of all its facets. Here we also try to identify some systems of order in medical science, including methodological and procedural order, which are indispensable as well as a source of problems. In the sections that follow, order is not defined as an explicit object of study, but comes to light in some exploratory and philosophising projects based on physics, mathematics and phenomenology . Each of these lets order and that which is ordered emerge in ways that may also shed light on opportunities and paradoxes in the medical domain. Key themes here include the Gordian knot of psyche – soma, the order of disorder and the patient as Other.
Challenges and opportunities for restoration of high-elevation Andean peatlands in Ecuador
Authors: Suarez Esteban , Chimbolema Segundo , Jaramillo Ricardo , Zurita-Arthos Leo , Arellano Paul , Chimner Rodney A. , Stanovick John S. , Lilleskov Erik A. 
Published: June 2022

Abstract
Páramo peatlands are a regional reservoir of biodiversity and ecosystem services, accumulating large amounts of carbon and buffering water flows. Despite their importance, they have a long history of use and impacts including drainage for agriculture and grazing, and water withdrawal for human uses. Here we present a preliminary assessment of the conservation status of páramo peatlands in Ecuador and, using a case study, discuss peatland restoration as a tool for mitigation and adaptation to the impacts of current climate change. Through a simple index assessing the cumulative presence of signs of human activities on 163 peatland sites, we found that the level of impact was higher for peatlands located in the Western branch of the cordillera, whereas current human population density, precipitation, and elevation were not significant predictors of the levels of impact. Also, starting in 2017, we implemented a pilot restoration initiative on a 21-ha peatland which had been drained and converted into pasture for at least 150 years. The restoration consisted of two ditch blocking techniques implemented to stop fast-moving water and promote the rewetting of the peatland. During the next 3 years, water table increased from 27 ± 3 cm below the soil surface to 7 ± 1 cm by 2021, while wetland plant communities are colonizing and closing the pools in the blocked ditches. Re-wetting of the peatland has led to an increase in the abundance of native species. This case study suggests that restoration initiatives are an efficient and cost-effective approach to a better management of páramo peatlands, with high potential as a tool for mitigation and adaptation to climate change.
Sensory fields: the visual and the bodily
Authors: Serrahima Carlota 
Published: June 2022

AbstractPhilosophers of perception have been readier to postulate the existence of a visual field than to acknowledge sensory fields in other modalities. In this paper, I argue that the set of phenomenal features that philosophers have relied on when positing a visual field aptly characterise, mutatis mutandis, bodily sensation. I argue, in particular, that in localised bodily sensations we experience the body as a sensory field. I first motivate this claim for the case of haptic touch, and then generalise it to other kinds of bodily sensation. I demonstrate the theoretical fruitfulness of this notion of a bodily field for the debate on the phenomenology of bodily ownership.
A simple evaluation of a theta value, the Kronecker limit formula and a formula of Ramanujan
Authors: Chamizo Fernando 
Published: June 2022

AbstractWe evaluate the classic sum$$\sum _{n\in {\mathbb {Z}}} e^{-\pi n^2}$$∑n∈Ze-πn2. The novelty of our approach is that it does not require any prior knowledge about modular forms, elliptic functions or analytic continuation. Even the$$\Gamma $$Γfunction, in terms of which the result is expressed, only appears as a complex function in the computation of a real integral by the residue theorem. Another contribution of this note is to provide a very simple proof of the Kronecker limit formula. Finally, employing the evaluation of the sum and some other ideas, we also obtain an undemanding proof of one of the most emblematic formulas of Ramanujan.
Identifying and correcting invalid citations due to DOI errors in Crossref data
Authors: Cioffi Alessia , Coppini Sara , Massari Arcangelo , Moretti Arianna , Peroni Silvio , Santini Cristian , Shahidzadeh Asadi Nooshin 
Published: June 2022

AbstractThis work aims to identify classes of DOI mistakes by analysing the open bibliographic metadata available in Crossref, highlighting which publishers were responsible for such mistakes and how many of these incorrect DOIs could be corrected through automatic processes. By using a list of invalid cited DOIs gathered by OpenCitations while processing the OpenCitations Index of Crossref open DOI-to-DOI citations (COCI) in the past two years, we retrieved the citations in the January 2021 Crossref dump to such invalid DOIs. We processed these citations by keeping track of their validity and the publishers responsible for uploading the related citation data in Crossref. Finally, we identified patterns of factual errors in the invalid DOIs and the regular expressions needed to catch and correct them. The outcomes of this research show that only a few publishers were responsible for and/or affected by the majority of invalid citations. We extended the taxonomy of DOI name errors proposed in past studies and defined more elaborated regular expressions that can clean a higher number of mistakes in invalid DOIs than prior approaches. The data gathered in our study can enable investigating possible reasons for DOI mistakes from a qualitative point of view, helping publishers identify the problems underlying their production of invalid citation data. Also, the DOI cleaning mechanism we present could be integrated into the existing process (e.g. in COCI) to add citations by automatically correcting a wrong DOI. This study was run strictly following Open Science principles, and, as such, our research outcomes are fully reproducible.
Trade Wars and Election Interference
Authors: Brutger Ryan , Chaudoin Stephen , Kagan Max 
Published: June 2022

AbstractIn response to the Trump trade war, China, the EU, and other countries enacted politically-targeted trade retaliation (PTTR) against swing states and Republican strongholds in the United States. We argue that PTTR increases public concerns about foreign election interference and assess the effects of such retaliation across partisan affiliations. We test our predictions using a national survey experiment in the United States fielded before the 2020 election. In contrast to findings about sanctions and foreign endorsements, we find strong evidence that PTTR increases fears of election interference among both Republicans and Democrats. Partisan double standards in reaction to PTTR were strongest for retaliation targeting swing states and smaller for retaliation targeting the President’s base. Overall, the evidence shows that economic policies which are not primarily intended to influence elections may nevertheless come to be viewed by the public as foreign election interference.