bluuebunny/crossref_metadata_2025 huggingface dataset:
Clarifying the structures of imidines: using crystallographic characterization to identify tautomers and localized systems of π-bonding
Authors: Aristov Michael M. , Geng Han , Harris James W. , Berry John F.
Published: March 2023

Nitrogen heterocycles are a class of organic compounds with extremely versatile functionality. Imidines, HN[C(NH)R]2, are a rare class of heterocycles related to imides, HN[C(O)R]2, in which the O atoms of the carbonyl groups are replaced by N—H groups. The useful synthesis of the imidine compounds succinimidine and glutarimidine, as well as their partially hydrolyzed imino–imide congeners, was first described in the mid-1950s, though structural characterization is presented for the first time in this article. In the solid state, these structures are different from the proposed imidine form: succinimidine crystallizes as an imino–amine, 2-imino-3,4-dihydro-2H-pyrrol-5-amine, C4H7N2 (1), glutarimidine as 6-imino-3,4,5,6-tetrahydropyridin-2-amine methanol monosolvate, C5H9N3·CH3OH (2), and the corresponding hydrolyzed imino–imide compounds as amino–amides 5-amino-3,4-dihydro-2H-pyrrol-2-one, C4H6N2O (3), and 6-amino-4,5-dihydropyridin-2(3H)-one, C5H8N2O (4). Imidine 1 was also determined as the hydrochloride salt solvate 5-amino-3,4-dihydro-2H-pyrrol-2-iminium chloride–2-imino-3,4-dihydro-2H-pyrrol-5-amine–water (1/1/1), C4H8N3
+·Cl−·C4H7N3·H2O (1·HCl). As such, 1 and 2 show alternating short and long C—N bonds across the molecule, revealing distinct imino (C=NH) and amine (C—NH2) groups throughout the C—N backbone. These structures provide definitive evidence for the predominant imino–amine tautomer in the solid state, which serves to enrich the previously proposed imidine-focused structures that have appeared in organic chemistry textbooks since the discovery of this class of compounds in 1883.
Development and pilot of the Alcohol and Depression Decision-Aid for Psychological Treatments (ADDAPT)
Authors: Fisher Alana , Eugene Dit Rochesson Sylvia , Harvey Logan R. , Marel Christina , Mills Katherine L.
Published: March 2023

Purpose

Evidence is lacking as to the superiority of dual-focused versus single-focused approaches in treating depression and alcohol use comorbidity. Different people may also value the different features of treatment options differently, necessitating a decision-support tool. This study aims to test the acceptability, feasibility, safety and potential usefulness of the Alcohol and Depression Decision-Aid for Psychological Treatments (ADDAPT).

Design/methodology/approach

ADDAPT was developed according to International Patient Decision-Aid Standards and in consultation with potential end users. Adults with depression and alcohol use comorbidity, who were considering/recently considered psychological treatments, were recruited via online advertisements. After clicking on the study URL, participants accessed the ADDAPT e-book and completed validated and purpose-designed questionnaires.

Findings

Of the 24 participants, most would recommend ADDAPT to others (79.2% agree) and endorsed it as easy-to-use (75%), useful in decision-making (79.2%), presenting balanced (87.5%), up-to-date (91.7%), easy-to-understand (79.2%) and trustworthy information (83.3%), which did not provoke anxiety (i.e. safety; 75%). Post-use, participants felt well prepared to decide on treatment (M = 3.48/5) and demonstrated good treatment knowledge (M = 65.83%). All but one participant indicated a treatment choice supported by best available evidence, and decisional conflict scores except for the uncertainty subscale were below the threshold for decisional delay (all M < 37.5/100).

Originality/value

ADDAPT is the first decision-aid of its kind, with pilot findings supporting its acceptability, feasibility, safety and potential usefulness for improving decision-making quality among people considering psychological treatment options for depression and alcohol use comorbidity.
Increasing collaboration and knowledge in school communities to enhance outcomes for autistic students
Authors: Griffiths Amy Jane , Baker Diana , Brady John , Kennedy Kelly , Valladolid Anaiza , Wiegand Rachel , Delgado Raquel
Published: March 2023

Purpose

This paper describes a case study of a developmental program evaluation on the Autism Community Toolkit, a collaborative skills training program for parents and school professionals. The purpose of this study was to examine the influence of the training on participants’ knowledge, competence and perceived collaboration; and potential improvements to the training program.

Design/methodology/approach

The program included multiple training sessions for families and school professionals, designed to educate participants on autism, evidence-based interventions and to increase home-school communication and collaboration. Data collection methods included pre- and post-measures and feedback forms.

Findings

Results indicated that the training program was beneficial for participants overall. Pre- and posttest measures indicated growth in knowledge and competency in autism interventions. While there were no statistically significant differences in the quantitative measure of collaboration, qualitative results suggest that participants reported increased collaboration posttraining.

Practical implications

Overall, the training program was effective, and the ongoing implementation assessment was conducive to continuous improvement. The authors also discuss difficulties with implementation and recommendations for future intervention implementation.

Originality/value

This case study provides practical information about creating, evaluating and improving a unique intervention designed to support school–home collaboration.
Analysis of the characteristics and evolution of knowledge label networks in the Q&A community: taking the Zhihu platform as an example
Authors: Feng Xin , Wang Xu , Xue Yufei , Yu Haochuan
Published: March 2023

Purpose

In the era of mobile internet, the social Q&A community has built a large-scale and complex knowledge label network through its internal knowledge units, and the scale and structure of the network have changed over time. By analysing the structural characteristics and evolution rules of knowledge label networks, the main purpose of this study is to understand the internal mechanisms of the replacement of old and new knowledge and the expansion of knowledge element boundaries, so as to explore the realization path of knowledge management in the new era from the perspective of complex networks.

Design/methodology/approach

This paper uses distributed crawlers to capture 419,349 samples from the Zhihu platform. Each sample contains 33 characteristic dimensions, and the natural year is used as the sliding window to divide the whole. In this study, the global knowledge label network and 11 local knowledge label networks are first constructed. Then, the degree distribution analysis and central node exploration of the knowledge label network are carried out using the complex network method. Finally, the average shortest path and average clustering coefficient of the network are analysed by the time series method, and the ARIMA model is used to predict the evolution of the correlation coefficient.

Findings

The research results show that the dissimilation degree of the degree distribution of the knowledge label network has gradually decreased from 2011 to 2021, and the attention of users in the knowledge community has shown a trend of distraction and diversification over time. With the expansion of the scale of the knowledge label network and the transformation to an information network, the network sparsity is becoming more and more obvious, and the knowledge granularity of the Q&A community is being refined and diversified. The prediction of the correlation coefficient of the knowledge label network by the ARIMA model shows that the connection between the labels is lacking diversity and the opinion strengthening phenomenon tends to strengthen, which is more likely to form the “echo chamber effect”, resulting in mutual isolation and even opposition between different circles. The Q&A community is about to enter a mature stage, and the corresponding status of each label has been finalized. The future development trend of label networks will be reflected in the substitution between labels, and the specific structure will not change significantly.

Originality/value

The Q&A community model is the trend in Web 2.0 community development. This study proves the effectiveness of complex networks and time series prediction methods in knowledge label network mining in the Q&A community.
One planet – two worlds: how long will the North-South divide endure?
Authors: Erdelen Walter R. , Richardson Jacques G. , Zou’bi Moneef R.
Published: March 2023

Purpose

This study aims to propose an approach towards reducing differences between national economies and living standards existing between the world’s wealthiest and least affluent nations.

Design/methodology/approach

A systemic review identifies the impeding purpose as proposed above: an entirely new initiative.

Findings

The efforts recommended are vital for preserving the human species and ensuring the integrity of our planet. For both the future of the human species and the planet itself, it is essential to reduce the divide between wealthy and poor. Now is the time to give force to the types of implementation necessary to meet these combined goals.

Research limitations/implications

This essay avoids dissecting problems of current geopolitical and ideological character. Despite their sometimes contentious nature, they are often reduced by intelligent diplomacy.

Originality/value

The study proposes a holistic approach to bridging the North-South divide.
Analysing the relationship between altmetric attention score (AAS) and citation: a correlational study
Authors: Borgohain Dhruba Jyoti , Yuvaraj Mayank , Verma Manoj Kumar
Published: March 2023

Purpose

The purpose of this study is to assess the value of altmetrics or other indicators, showcasing the impact of academic output, which is seen too often correlated with the citation count.

Design/methodology/approach

This study considered three reputed journals of Library and Information Science (LIS) published by Elsevier. A total of 1,164 articles were found in these journals from 2016 to 2020 and the relationships between altmetric attention scores (AAS) and citations were examined. The analysis was extended to compare the grouped data set based on percentile ranks of AAS like top 50%, top 25%, top 10% and top 1%.

Findings

Using Spearman correlation analysis, the findings reveal a positive correlation between AAS and citations with different significant levels for all articles, and articles with AAS, as well as for normalized AAS in the top 50%, top 25%, top 10% and top 1% data set. For the three journals International Journal of Information Management (IJIM), Journal of Informetrics (JIF) and Library and Information Science Research (LISR), a significant positive correlation is observed across all data sets. But an unexpected result was observed: in the case of the top 50% of articles for the IJIM and JIF showed no significant correlation but the LISR journal showed a positive correlation for the whole data set. This journal though has fewer articles in comparison to the other two.

Research limitations/implications

A source item that is highly cited may not be having high social media attention as reflected in the findings. This demarcates AAS with citations implying various factors on which these measurements are dependent. The study distinguishes these metrics lucidly. There is not a single guideline or uniformity in assessing the correlation found. But the problem is that the interpretation of the correlation strength affects the conclusion of the study. Moreover, this study will be a role model as a draft for librarians to select relevant journals for their libraries and will facilitate authors in the choice of the publication outlets for their papers, particularly concerning the journals that have both visibility and research impact.

Originality/value

The study reported devising a comprehensive tool to validate AAS as a measure of scholarly impact to include appropriate social media sources and verify its relationship with other metrics. To the best of the authors’ knowledge, this paper is the first attempt to discover the correlation between AAS and citations for the highly impactful LIS journal published by Elsevier. The empirical evidence lies in the citation and altmetric data extracted from the dimension database.
Employers’ liability for employee references under the law of tort
Authors: Middlemiss Sam
Published: March 2023

Purpose

This study aims to critically review new developments in the law of tort dealing with employee references.

Design/methodology/approach

The author analysed various sources including statutes, articles and case law to determine current position. This paper will consider new developments in the law of tort dealing with employee references. The real issue for an employee arises when an employer or their manager provides them or their prospective new employer with an employment reference about them that is untrue or misleading. The impact on the employee might be that they lose a job opportunity and/or suffer damage to their reputation. In these circumstances, the subject of the reference currently has legal redress under the law of tort under both common and statute laws. This paper will concentrate on analysing the legal redress available under the law of tort and critically review this legal process in light of recent legal decisions and other legal developments. There have been various statutory developments in the area of tort which could apply here that they have resulted in the scope for a legal action being considerably limited. These have been highlighted. Also, recent cases have presented obstacles to future claims being brought in certain circumstances and these have been analysed.

Findings

The outcome of this is that pursuing a claim under the law of tort more has been made more difficult for the employees affected and accordingly is less likely to be successful. This is clearly a serious issue that deserves recognition and possibly changes in the law. A conclusion which this article supports.

Originality/value

To the best of the author’s knowledge, little has been written on this topic to date, so this paper will fill a serious void.
Setup improvement review and trend
Authors: Zhang Wen , Chen Guohui , Gong Qiguo
Published: March 2023

Purpose

This paper aims to systematically understand the development of rapid setup, quantitatively analyze the landscape and reveal new trends and challenges.

Design/methodology/approach

Based on 192 literature studies (1987–2021) collected from Scopus and Google Scholar, the papers are classified by: publication time and source; research type and data analysis of papers; pattern of authorship and country; sector-wise focus of the paper; improvement method used in the setup. And CiteSpace is used to analyze the cooccurrence and timeline of keywords.

Findings

There has been substantial progress in the past 35 years, including the rapid growth in the number of papers, the expansion in different disciplines, the participation of developing countries, the application in the service industry and the significant impact of setup on cost. And there are still some deficiencies.

Research limitations/implications

There is concern that Google Scholar lacks the quality control needed for its use as a bibliometric tool. Future work is encouraged to conduct an in-depth discussion on high-quality papers.

Practical implications

In small batch production, rapid setup is increasingly essential. Clarifying the research focus and main improvement methods is of great significance for enterprises to meet the changing market needs.

Originality/value

To the best of the authors’ knowledge, this study is the first literature review on rapid setup. It is decided to consider a detailed set of data for better introspection and trace the history reflections and the research future in setup time.
Why ethical consumers buy products from unethical companies: consumers’ ambivalent responses towards fashion companies’ unethical activities
Authors: Lee Jihyun
Published: March 2023

Purpose

The purpose of this study is to investigate the role of consumers’ moral preferences between moral and economic benefits and consumers’ moral and rational behaviour intentions based on moral decision-making models of previous studies.

Design/methodology/approach

Respondents were asked to answer a questionnaire measuring moral and economic benefits, consumers’ moral preferences and moral and rational behaviour intention after reading a stimulus describing imaginary fashion brand A’s unethical activities.

Findings

Moral and economic benefits directly and significantly affect moral and rational behaviour intention. Homo economicus evoked by an economic benefit had a negative effect on moral behaviour intention.

Research limitations/implications

This study focused only on a moral benefit and an economic benefit as factors evoking consumers’ moral preferences. This study was also conducted only in a Korean context and considered a specific industry. In future research, the results of this study should be extended to design the “possibility of punishment” to encourage moral behaviour by discouraging the effect of homo economicus. The results have implications for companies such as social enterprises and charities that want to promote consumers’ moral behaviour.

Originality/value

This study provides evidence on why ethical consumers do not always make ethical decisions by confirming that homo economicus has a significant influence on not only rational behaviour intention but also moral behaviour intention.
Grocery omnichannel perishable inventories: performance measures and influencing factors
Authors: Saghiri Soroosh , Aktas Emel , Mohammadipour Maryam
Published: March 2023

Purpose

Perishable inventory management for the grocery sector has become more challenging with extended omnichannel activities and emerging consumer expectations. This paper aims to identify and formalize key performance measures of omnichannel perishable inventory management (OCPI) and explore the influence of operational and market-related factors on these measures.

Design/methodology/approach

The inductive approach of this research synthesizes three performance measures (product waste, lost sales and freshness) and four influencing factors (channel effect, demand variability, product perishability and shelf life visibility) for OCPI, through industry investigation, expert interviews and a systematic literature review. Treating OCPI as a complex adaptive system and considering its transaction costs, this paper formalizes the OCPI performance measures and their influencing factors in two statements and four propositions, which are then tested through numerical analysis with simulation.

Findings

Product waste, lost sales and freshness are identified as distinctive OCPI performance measures, which are influenced by product perishability, shelf life visibility, demand variability and channel effects. The OCPI sensitivity to those influencing factors is diverse, whereas those factors are found to moderate each other's effects.

Practical implications

To manage perishables more effectively, with less waste and lost sales for the business and fresher products for the consumer, omnichannel firms need to consider store and online channel requirements and strive to reduce demand variability, extend product shelf life and facilitate item-level shelf life visibility. While flexible logistics capacity and dynamic pricing can mitigate demand variability, the product shelf life extension needs modifications in product design, production, or storage conditions. OCPI executives can also increase the product shelf life visibility through advanced stock monitoring/tracking technologies (e.g. smart tags or more comprehensive barcodes), particularly for the online channel which demands fresher products.

Originality/value

This paper provides a novel theoretical view on perishables in omnichannel systems. It specifies the OCPI performance, beyond typical inventory policies for cost minimization, while discussing its sensitivity to operations and market factors.
How does institutional context shape work-related functionings for regular and self-employed workers? A contextualised application of the capability approach to Belgium, France and the Netherlands
Authors: Focacci Chiara Natalie , Pichault François
Published: March 2023

Purpose

According to Sen's theoretical framework of capability (1985), individuals reach their full potential once they have the freedom, intended as the set of functionings at their disposal, to do so. However, many critiques have been developed against the lack of embeddedness of the capability approach in social and political relations and structures. In this article, the authors investigate the influence of three institutional contexts (Belgium, the Netherlands and France) on the respective work-related functionings of self-employed and regular workers, with a focus on human capital investment and institutional support offered to them.

Design/methodology/approach

Data from the European Working Conditions Survey (EWCS) are used to highlight similarities and differences in building work-related functionings for regular and self-employed workers. A regression analysis is provided at the country level.

Findings

In the three labour markets, the authors find that the building of work-related functionings is more successful for regular employees, especially as regards institutional support. Self-employed workers, on the other hand, need to rely on their individual capability as regards employment protection and human capital investment. However, the authors find interesting differences between the three institutional contexts. In both Belgium and France, self-employed workers are subject to higher instability in terms of changes in salary and hours worked, whereas atypical work is better positioned in the Dutch labour market. The Netherlands is also characterised by a less significant gap between regular and self-employed workers with respect to participation in training.

Originality/value

In this article, the authors contextualise Sen's (1985) theoretical framework by taking into account the institutional differences of labour markets. In particular, the authors provide a novel application of his capability approach to regular and self-employed workers in an economically relevant European area.
Christopher's story
Authors: Laskaris Fiona
Published: March 2023

Purpose

This paper aims to highlight devastating consequences when professionals misappropriate the presumption of capacity in s1 Mental Capacity Act 2005.

Design/methodology/approach

This is the story of my vulnerable son's life and the failure of services to provide the professional help and support he needed in order to stay safe. I have flagged, with specific examples, how the law was perpetually misapplied in his case, with tragic consequences.

Findings

The application of the statutory presumption of capacity is widely misunderstood. The presumption is frequently misappropriated by health and social care professionals as well as by legal professionals. Concerned families are being ignored or blocked out by professionals, many of whom seem unclear as to when evidence based mental capacity assessments, with rationale, are required. This is rendering the legislation in place for the protection of vulnerable adults ineffective and then allowing preventable deaths to evade appropriate scrutiny.

Research limitations/implications

Some of the documents (e.g. police logs and records, some social care records) were withheld from the author or heavily redacted when the author requested them following her son's death.

Practical implications

Vulnerable people can frequently suffer neglect and abuse in the community. Their deaths, following state agency failures, are not being investigated as they should be, preventing learning from mistakes.

Social implications

We live in a society where, sadly, vulnerable people are often not appropriately supported by professional services. As a result, the police can be left to pick up the pieces following mental health service failures. Whilst there may now be a greater awareness of autism, this is not yet accompanied by a greater understanding of the condition.

Originality/value

Christopher's story is unique, raising issues of serious concern across many different agencies. These appear to stem from a widespread lack of understanding of the vulnerability of adults with high functioning autism/Asperger's syndrome and a significant discrepancy between their intelligence and their life skills.
Wirecard scandal. A commentary on the biggest accounting fraud in Germany’s post-war history
Authors: Teichmann Fabian Maximilian Johannes , Boticiu Sonia Ruxandra , Sergi Bruno S.
Published: March 2023

Purpose

The purpose of this paper is to illustrate how the Wirecard scandal has highlighted the need for further reforms in Germany and Europe, exposing institutional and market oversight weaknesses, particularly in terms of market integrity and investor protection.

Design/methodology/approach

To provide a comprehensive picture of the situation, this paper is based only on relevant studies, which focus on the topic of interest, namely, the context of the Wirecard collapse in June 2020. It also examines how internal and external governance and monitoring mechanisms failed to uncover major fraud within the German payments group earlier.

Findings

This study shows that this is by no means an isolated or unpredictable incident, and the allegations of accounting fraud had been known for several years, thanks to warnings from the Financial Times. In addition, the paper reviews the serious shortcomings revealed in the Wambach report. The report provided private details of the Wirecard audit and documents on the relationship between Wirecard management and the auditor. All of this can serve as a reference point for institutional and market oversight architecture in Germany and Europe and pave the way for future research.

Originality/value

The paper contributes to the literature by highlighting the implications of the Wirecard scandal and the lessons that can be learned from what was one of Germany’s biggest corporate scandals especially at a time when many are already affected by the impact of COVID-19 on the entire financial services industry.
Transparency and its roles in realizing greener AI
Authors: Osifo Omoregie Charles
Published: March 2023

Purpose

The purpose of this paper is to identify the key roles of transparency in making artificial intelligence (AI) greener (i.e. causing lesser carbon dioxide emissions) during the design, development and manufacturing stages or processes of AI technologies (e.g. apps, systems, agents, tools, artifacts) and use the “explicability requirement” as an essential value within the framework of transparency in supporting arguments for realizing greener AI.

Design/methodology/approach

The approach of this paper is argumentative, which is supported by ideas from existing literature and documents.

Findings

This paper puts forward a relevant recommendation for achieving better and sustainable outcomes after the reexamination of the identified roles played by transparency within the AI technology context. The proposed recommendation is based on scientific opinion, which is justified by the roles and importance of the two approaches (compliance and integrity) in ethics management and other areas of ethical studies.

Originality/value

The originality of this paper falls within the boundary of filling the gap that exists in sustainable AI technology and the roles of transparency.
Brand authenticity building effect of brand experience and downstream effects
Authors: Murshed Feisal , Dwivedi Abhishek , Nayeem Tahmid
Published: March 2023

Purpose

This study aims to demonstrate that brand experiences can influence perceived brand authenticity, and perceived quality mediates this link. The proposed nomological net also assesses the impact of perceived quality and brand authenticity on consumers’ loyalty intentions, a key consumer-level outcome.

Design/methodology/approach

A survey method based on data from a sample of 405 new car owners was used for empirical analysis. Structural equation modeling was performed to test the hypotheses.

Findings

The results provide broad support for the framework. All the direct effects and the key indirect effect are significant, as predicted.

Social implications

As consumers are seeking brands that are genuine in its communication and behavior, building authenticity will be crucial to engage customers and create meaningful social values.

Originality/value

This work develops a framework and empirical evidence of how experiential marketing can contribute to brand authenticity directly and through perceived quality.
Chunking virtual literacy instruction on TikTok for Z generation
Authors: Anna Nove E. Variant , Ismail Noraini
Published: March 2023

Purpose

This paper aims to explore the possibility of the use of TikTok for delivery virtual literacy instruction for Z generation to support their learning.

Design/methodology/approach

A review of papers related to TikTok and library instruction is presented, and some libraries that use TikTok to deliver instruction are observed.

Findings

Some libraries already use TikTok as a supplementary of social media to deliver instruction, due to the nature of TikTok is for short video up to 3 minutes, therefore it is good if librarian can design instruction in chunking basis, or bite size so users will easily engage.

Originality/value

The use of TikTok for library instruction is still new, and this will bring value to libraries, especially academic library when they want start to use TikTok for their instruction.
“Tone at the top”: management’s discussion and analysis and audit quality
Authors: Tam Kinsun , Xu Qiao , Fernando Guy , Schneible Richard A.
Published: March 2023

Purpose

This paper aims to investigate whether the managers’ emphasis on audit in the management’s discussion and analysis (MD&A) section of the 10-K filing, as part of the firm’s “tone at the top,” is linked to audit quality.

Design/methodology/approach

Adopting a computational linguistics approach, the authors measure the manager’s audit emphasis as the frequency of audit-related words in the MD&A. The authors then assess the relationship between audit emphasis and audit quality with ordinary least squares and probit regression models.

Findings

This study finds that the manager’s audit emphasis, proxied by the count of audit-related words, is positively associated with audit fees, audit delay, the appointment and retention of Big 4 and industry-specialist auditors, and the probability of switching to Big 4 auditors, while negatively linked to abnormal accruals and the possibility of financial misstatements.

Research limitations/implications

The audit emphasis measure suffers from limitations. The computer program determining audit emphasis may misinterpret words in the MD&A. Researchers need to consider procedures to minimize misinterpretations.

Practical implications

Frequency of audit words in the MD&A reflects the firm’s aspiration for audit quality. Auditors, regulators and investors could ascertain such aspiration from past and current MD&As.

Originality/value

This study associates the manager’s emphasis on audit, measured with computational linguistics from the MD&A, with realized audit quality.
It's free! Still, would I learn? Unearthing perceived value of education apps for better entrepreneurial decisions
Authors: Dastane Omkar , Fandos-Roig Juan Carlos , Sánchez-García Javier
Published: March 2023

Purpose

This study aims to explore customer perceived value (CPV) dimensions in the context of free mobile educational applications (EduApps) which are paramount in learning-based digital start-ups and are essential for the implementation of circular economy (CE). The purpose of the present study is to identify dimensions of CPV specifically for EduApps and propose a conceptual model that would assist the digital start-up decisions which in turn can be a catalyst in navigating to a CE.

Design/methodology/approach

The study uses the Netnography approach by analyzing online user-generated content. A total of 13,147 reviews posted on the Google play store after using top free education apps were coded using ATLAS.ti 9 software.

Findings

Major dimensions of context-specific CPV are identified as technical value, content value, pedagogical value, gamification value and learning value. Subdimensions and items are extracted for each of these dimensions.

Practical implications

The larger subscriber base drives sponsorships, advertisements and donations which underpin the business model of free EduApps. This can be obtained through an attractive value proposition. Identifying context-specific value dimensions would aid entrepreneurs in optimal value mix development decisions. The proposed framework can be utilized by both researchers (for scale creation, comparative studies and quantitative studies) and practitioners (for entrepreneurial decisions on better value propositions).

Originality/value

CPV successfully describes consumer decision-making, but less attention is paid to linking the theory to the setting of mobile learning apps, where the bulk of research is focused on techniques like TAM, UTAUT, etc. In addition, studies identifying CPV from mobile apps with a specific focus on EduApps are sparse. Extant literature in this context is either based on a foundation of in-store business value dimensions or dominated by technical aspects when focused on the context of mobile apps. The current study bridges this gap.
Human capital and mobility as competing antecedents of career success: the case of academia
Authors: Varela Otmar , Premeaux Sonya , Bajwa Naeem
Published: March 2023

Purpose

Human capital and boundaryless career theory prevail in studies that examine objective and subjective career success respectively. However, evidence indicating that each framework offers superior suitability for its respective career outcome is unclear. The purpose of this study is to contrast the predictive validity of the frameworks with respect to both career success criteria.

Design/methodology/approach

The sample involved 182 management faculty in the USA. The authors relied on hierarchical regression analyses to test the study hypotheses.

Findings

Results indicate that human capital outperforms mobility across career success criteria. Yet, this study found that industry segment amplifies the effect of mobility on career success.

Research limitations/implications

While findings primarily speak to the superiority of human capital as a career success antecedent, the significant effect of the industry segment as moderator of mobility calls for a granular definition of the setting where careers are analyzed. Replication of findings across industries are needed before assuming the generalization of results.

Practical implications

Findings reveal the relevance of early career movements for professional careers in academe.

Originality/value

Despite the extensive use of human capital and mobility as antecedents of career success, to the best of the authors’ knowledge, this is the first study that directly contrasts the predictive validity of these competing antecedents.
A new era: 3D printing as an aesthetic language and creative tool in fashion and textile design
Authors: Tufan Tolmaç Nazmiye , İşmal Özlenen Erdem
Published: March 2023

Purpose

This study aims to produce textile-like surfaces using fused deposition modelling (FDM) 3D printers and create a garment collection.

Design/methodology/approach

Experiments were conducted using different types of materials in FDM 3D printers until the sufficient flexibility was achieved to create textile-like structures. During the research, properties of polylactic acid (PLA), acrylonitrile butadiene styrene (ABS) and thermoplastic polyurethane (TPU) were observed. Geometrical patterns were printed and each of them gave a different result depending on the pattern. Based on the information obtained from the experiments, a garment collection with four total looks was designed inspired by Vivaldi’s “Four Seasons”.

Findings

Among the materials used, TPU, a flexible filament, yielded the best results. Because of the rigid properties of PLA and ABS, chain-like structures were printed to create relatively flexible surfaces, but the results were still not successful enough to create a clothing material. Therefore, TPU was preferred for the garment material selection.

Originality/value

In this study, combinations of 3D printed flexible structures and different types of fabrics were used to create a garment collection. It was concluded that, with the right material selection, 3D printing can be used as an alternative method to create a new aesthetic language in fashion design.
Experimental evaluation of how biological invasions and climate change interact to alter the vertical assembly of an amphibian community
Authors: Baecher J. Alex , Johnson Steve A. , Roznik Elizabeth A. , Scheffers Brett R.
Published: March 2023

While biotic–abiotic interactions are increasingly documented in nature, a process‐based understanding of how such interactions influence community assembly is lacking in the ecological literature. Perhaps the most emblematic and pervasive example of such interactions is the synergistic threat to biodiversity posed by climate change and invasive species. Invasive species often out‐compete or prey on native species. Despite this long‐standing and widespread issue, little is known about how abiotic conditions, such as climate change, will influence the frequency and severity of negative biotic interactions that threaten the persistence of native fauna.

Treefrogs are a globally diverse group of amphibians that climb to complete life‐cycle processes, such as foraging and reproduction, as well as to evade predators and competitors, resulting in frog communities that are vertically partitioned. Furthermore, treefrogs adjust their vertical position to maintain optimal body temperature and hydration in response to environmental change. Here, utilizing this model group, we designed a novel experiment to determine how extrinsic abiotic and biotic factors (changes to water availability and an introduced predator, respectively) interact with intrinsic biological traits, such as individual physiology and behaviour, to influence treefrogs' vertical niche.

Our study found that treefrogs adjusted their vertical niche through displacement behaviours in accordance with abiotic resources. However, biotic interactions resulted in native treefrogs distancing themselves from abiotic resources to avoid the non‐native species. Importantly, under altered abiotic conditions, both native species avoided the non‐native species %– more than they avoided their native counterpart. Additionally, exposure to the non‐native species resulted in native species altering their tree climbing behaviours by and becoming more vertically dynamic to avoid the non‐native antagonist.

Our experiment determined that vertical niche selection and community interactions were most accurately represented by a biotic–abiotic interaction model, rather than a model that considers these factors to operate in an isolated (singular) or even additive manner. Our study provides evidence that native species may be resilient to interacting disturbances via physiological adaptations to local climate and plasticity in space‐use behaviours that mediate the impact of the introduced predator.
Preparation of whey protein hydrolysates with ACE‐inhibitory activity using cysteine peptidases from Bromelia hieronymi Mez. (Bromeliaceae)
Authors: Bertucci Juan Ignacio , Salese Lucía , Liggieri Constanza Silvina , Garrote Graciela Liliana , Bruno Mariela Anahí
Published: March 2023

A proteolytic extract from fruits of Bromelia hieronymi was used to hydrolyse bovine whey proteins. The peptide profile obtained exhibited a gradual fading of the main whey proteins and a decrease in the content of hydrophobic peptides. The 180‐min hydrolysate showed a hydrolysis degree of 15.2% and inhibited the angiotensin‐converting enzyme (ACE), showing an IC50 of 0.17 mg/mL. By bioinformatics analysis, several theoretical sequences of possible ACE‐inhibitory peptides were deduced. These results showed that proteolytic extracts from B. hieronymi can be used to prepare whey hydrolysates that would serve as a potential bioactive ingredient of functional foods.
Sleeve gastrectomy improved microvascular phenotypes from obesity cohort, detected with optical coherence tomography angiography
Authors: Chen Yaying , Liu Yanyang , Cong Lin , Liu Ailin , Song Xiangyuan , Liu Wenting , Hua Rong , Shen Qiwei , Shao Yikai , Xue Yiwen , Yao Qiyuan , Zhang Yuyan
Published: March 2023

Aims

To examine how metabolic status is associated with microvascular phenotype and to identify variables associated with vascular remodeling after bariatric surgery, using noninvasive optical coherence tomography angiography (OCTA).

Methods

The study included 136 obese subjects scheduled for bariatric surgery and 52 normal‐weight controls. Patients with obesity were divided into metabolically healthy obesity (MHO) and metabolic syndrome (MetS) groups according to the diagnosis criteria of the Chinese Diabetes Society. Retinal microvascular parameters were measured by OCTA, including superficial capillary plexus (SCP) and deep capillary plexus (DCP) vessel densities. Follow‐ups were performed at the baseline and 6 months after bariatric surgery.

Results

Fovea SCP, average DCP, fovea DCP, parafovea DCP, and perifovea DCP vessel densities were significantly lower in the MetS group, compared to controls (19.91% vs. 22.49%, 51.60% vs. 54.20%, 36.64% vs. 39.14%, 56.24% vs. 57.65% and 52.59% vs. 55.58%, respectively, all p < .05). Parafovea SCP, average DCP, parafovea DCP, and perifovea DCP vessel densities significantly improved in patients with obesity 6 months after surgery, compared to baseline (54.21% vs. 52.97%, 54.43% vs. 50.95%, 58.29% vs. 55.54% and 55.76% vs. 51.82%, respectively, all p < .05). Multivariable analyses showed that baseline blood pressure and insulin were independent predictors of vessel density changes 6 months after surgery.

Conclusions

Retinal microvascular impairment occurred mainly in MetS rather than MHO patients. Retinal microvascular phenotype improved 6 months after bariatric surgery and baseline blood pressure and insulin status may be key determinants. OCTA may be a reliable method to evaluate the microvascular complications associated with obesity.
Perspectives of species identification by MALDI‐TOF MS in monitoring—Stability of proteomic fingerprints in marine epipelagic copepods
Authors: Peters Janna , Laakmann Silke , Rossel Sven , Martínez Arbizu Pedro , Renz Jasmin
Published: March 2023

We analysed the robustness of species identification based on proteomic composition to data processing and intraspecific variability, specificity and sensitivity of species‐markers as well as discriminatory power of proteomic fingerprinting and its sensitivity to phylogenetic distance. Our analysis is based on MALDI‐TOF MS (matrix‐assisted laser desorption ionization time of flight mass spectrometry) data from 32 marine copepod species coming from 13 regions (North and Central Atlantic and adjacent seas). A random forest (RF) model correctly classified all specimens to the species level with only small sensitivity to data processing, demonstrating the strong robustness of the method. Compounds with high specificity showed low sensitivity, that is identification was based on complex pattern‐differences rather than on presence of single markers. Proteomic distance was not consistently related to phylogenetic distance. A species‐gap in proteome composition appeared at 0.7 Euclidean distance when using only specimens from the same sample. When other regions or seasons were included, intraspecific variability increased, resulting in overlaps of intra and inter‐specific distance. Highest intraspecific distances (>0.7) were observed between specimens from brackish and marine habitats (i.e., salinity probably affects proteomic patterns). When testing library sensitivity of the RF model to regionality, strong misidentification was only detected between two congener pairs. Still, the choice of reference library may have an impact on identification of closely related species and should be tested before routine application. We envisage high relevance of this time‐ and cost‐efficient method for future zooplankton monitoring as it provides not only in‐depth taxonomic resolution for counted specimens but also add‐on information, such as on developmental stage or environmental conditions.
Another side of lupus: A case report of lupus presenting with cutaneous vasculitis
Authors: Cure Osman , ilkkilic Kadir
Published: March 2023

Systemic lupus erythematosus (SLE) is a systemic autoimmune complex disease that affects any organ, characterized by immune complex formation and autoantibody production. Lupus vasculitis begins at a young age. These patients generally have a longer disease duration. Ninety percent of cases in lupus‐associated vasculitis present with cutaneous vasculitis. Disease activity, severity, organ involvement, response to treatment and drug toxicity determine the frequency of outpatient control in lupus. Depression and anxiety are observed more frequently in SLE than in the normal population. Our case, it is an example of the patient's disruption of controls due to psychological trauma and that lupus can cause serious cutaneous vasculitis. In addition, psychiatric evaluation of lupus cases from the time of diagnosis may have a positive effect on the prognosis.
Politicising pandemics: Evidence from US media coverage of the World Health Organisation
Authors: King Jeffrey , Lugg Andrew
Published: March 2023

During the COVID‐19 pandemic, the World Health Organisation (WHO) was politicised in the United States (US) by Donald Trump in an effort to deflect blame as the virus spread. In this paper, we empirically investigate media coverage of the WHO in the US to better understand how negative evaluations of international organisations (IOs) spread. To do so, we perform quantitative text analysis on an original corpus of over 11,000 news articles on the WHO from the New York Times and the Washington Post between 1980 and 2020. Our text‐as‐data analyses yield several noteworthy findings. First, we show that media coverage of the WHO in the US has become more negative over time. Second, we show that negativity increases during global health crises. Third, we provide evidence that explicit criticisms also increase during crises. Fourth, we show that “blame‐shifting” by Trump and allies was clearly observable in the US news media. Finally, we show that negative stories about the WHO are shared more than positive ones on social media. Our results provide unique evidence, suggesting that the WHO has become more politicised in the US, which we argue creates opportunities for politicians seeking to blame IOs during crises.