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The dark side of the court: masculinity, machiavellianism, and perfectionism in sport and e-sport contexts

Judit Glavanits

Publication Name: Frontiers in Psychology

Publication Date: 2026-01-01

Volume: 17

Issue: Unknown

Page Range: Unknown

Description:

Introduction – Sport and e-sport environments function as performance-oriented spaces where masculine norms emphasizing dominance and success are salient. While these norms influence psychological outcomes, the mechanisms linking them to maladaptive self-regulation require further clarification. This study investigated the associations between masculine norm endorsement, Machiavellianism, and perfectionism, specifically testing the mediating role of Machiavellian traits. Methods – A cross-sectional survey was conducted with 297 adult (65, 9% male, Mage ≈ 24, 4 years) participants, including athletes, e-sport players, and non-athletes. Measures included the Multicultural Masculinity Ideology Scale (MMIS), the Machiavellianism Personality Scale (MPS), and the Short Almost Perfect Scale (SAPS). Data were analyzed using Welch's ANOVA, correlation, and mediation models with 5, 000 bootstrap resamples. Results – Masculine norm endorsement correlated positively with Machiavellianism but showed no direct association with perfectionism. Machiavellianism was positively related to maladaptive perfectionism, and the observed pattern of associations was consistent with an indirect pathway between masculine norm endorsement and maladaptive perfectionism via Machiavellianism (indirect effect: p = 0.013), although no significant total effect was found. No significant indirect effect was observed for adaptive perfectionism. Discussion – Machiavellianism appears to account for the observed association pattern linking masculinity norms to maladaptive perfectionistic self-regulation. In competitive “bastions of masculinity, ” these traits may prioritize strategic success over ethical conduct, highlighting the need for psychological screening to balance high performance with athlete well-being.

Open Access: Yes

DOI: 10.3389/fpsyg.2026.1799445

Comparison of performance calculation methods for solar PV systems

T. Horváth David Bozsaky Kitti Karolyfi Olivér Tóth Dániel Hegedűs Árpád Hajdu Dóra Szalai

Publication Name: Pollack Periodica

Publication Date: 2026-01-01

Volume: Unknown

Issue: Unknown

Page Range: Unknown

Description:

AbstractPhotovoltaic systems are increasingly applied in buildings to reduce energy costs and support sustainability. Their performance depends on factors such as panel angle, orientation, and temperature, which significantly affect energy yield. This study compares the actual output of an operating photovoltaic system with results from three calculation methods: manual estimation, 3D modeling, and artificial intelligence-based evaluation. The photovoltaic geographical information system and Rhino-Grasshopper methods proved most accurate, deviating by less than 10% from measured data due to their use of extensive, long-term meteorological datasets that ensure reliable performance prediction.

Open Access: Yes

DOI: 10.1556/606.2026.01532

Development, Service-Oriented Architecture, and Security of Blockchain Technology for Industry 4.0 IoT Application

Satyanand Singh Joanna Rosak-Szyrocka László Tamándl

Publication Name: Hightech and Innovation Journal

Publication Date: 2023-03-01

Volume: 4

Issue: 1

Page Range: 134-156

Description:

The Internet of Things (IoT) paradigm is laying the groundwork for a world in which many of our everyday devices will be connected and will interact with their surroundings to gather data and automate some operations. Among other things, such a concept necessitates seamless authentication, data privacy, security, attack resilience, simplicity of deployment, and self-maintenance. Blockchain, a technology created with the Bitcoin cryptocurrency, can provide such advantages. To create blockchain-based IoT (BIoT) applications, a full discussion of how to modify blockchain to meet the unique requirements of IoT is offered in this paper. The most important BIoT applications are detailed after a brief introduction to blockchain, with the goal of highlighting how blockchain can affect conventional cloud-based IoT applications. Then, several factors that have an impact on the design, development, and deployment of a BIoT application are covered, along with present obstacles and potential improvements. Lastly, a list of recommendations is provided to help future BIoT researchers and developers understand some of the problems that need to be solved before deploying the upcoming generation of BIoT applications.

Open Access: Yes

DOI: 10.28991/HIJ-2023-04-01-010

Water-assisted production of polypropylene/boehmite composites

László Lendvai

Publication Name: Periodica Polytechnica Mechanical Engineering

Publication Date: 2020-01-01

Volume: 64

Issue: 2

Page Range: 128-135

Description:

In this study polypropylene (PP) matrix-based boehmite alumina (BA) reinforced composites were prepared batchwise in an internal mixer. BA particles up to 10 wt.% were incorporated by 1. traditional melt mixing and 2. in a novel, Water-Assisted (WA) way, called fast evaporation mixing, during which BA was dispersed in PP with the use of an aqueous carrier medium. The WA way with pure water as medium proved to be ineffective because of the presence of the Leidenfrost effect. Therefore, an additional agent, carboxymethyl cellulose (CMC) was used to increase the boiling temperature of the water. Mechanical, morphological and thermal properties of the composites were determined. Scanning electron microscopy images revealed a partially dispersed structure of BA within the PP matrix in all cases, where aggregates and dispersed particles were identified as well. The size of the agglomerates observed was the smallest when BA was incorporated by being dispersed in water/CMC firstly. The mechanical tests results indicated that the reinforcing effect of BA was also most prominent in this case. However, CMC had an opposite effect on PP, than BA thus reducing the overall enhancement in mechanical properties. Differential scanning calorimetry showed an increase in the crystallinity ratio of PP with increasing BA content, which indicates a nucleating effect of BA.

Open Access: Yes

DOI: 10.3311/PPME.13981

Do Eco-Emotions and Climate Change Perceptions Influence Environmentally Conscious Decisions? Implications for Business Strategies

Anushree Tandon Chuhong Wang Muhammad Danish Habib Attila Kurucz

Publication Name: Business Strategy and the Environment

Publication Date: 2026-01-01

Volume: Unknown

Issue: Unknown

Page Range: Unknown

Description:

Despite growing research on explicating travelers' decision-making processes regarding greener travel options, there remains potential for exploring nuances of different factors and mechanisms that may encourage higher green travel. Grounded in the propositions of the push–pull–mooring framework, our study attempts to explicate whether eco-emotions (anxiety and grief as push factors) and environmental cognitions (climate change perceptions and destination social responsibility as pull factors) influence travelers' green consumption values and green travel intentions. Data collected via Prolific from 291 green travelers was analyzed using covariance-based structural equation modeling to test the hypothesized associations. In general, the study results affirm the hypothesized push and pull effects for green consumption values, which in turn play a mediating role to amplify the effects of push and pull factors on green travel intentions, rather than substituting for them. The findings raise significant implications for theory and also provide actionable insights for developing operating and communication strategies for industry practitioners.

Open Access: Yes

DOI: 10.1002/bse.70548

Modelling of human color perception depending on quick color shifts on screen

Lorinc Garai András Horváth

Publication Name: 9th IEEE International Conference on Cognitive Infocommunications Coginfocom 2018 Proceedings

Publication Date: 2018-07-02

Volume: Unknown

Issue: Unknown

Page Range: 223-226

Description:

The eye is considered as the most important human sensory organ. Its important part is the retina, which converts light to neural impulses by several millions of sensor cells: rods and cones. To understand this process, modelling by computer simulation is required. The well-known phenomenon of afterimages is examined in this paper. When a fast color change on screen is performed, a color after image appears temporarily. This afterimage may result in a more intensive color perception. A model was established to characterize the color perception intensity and duration depending on color changes.

Open Access: Yes

DOI: 10.1109/CogInfoCom.2018.8639909

GEOMETRY VARIATION OF BALLASTED RAILWAY TRACKS DUE TO WEATHER CONDITIONS

Szabolcs Fischer Mykola Sysyn Jianxing Liu Vivien Jóvér

Publication Name: Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu

Publication Date: 2023-01-01

Volume: Unknown

Issue: 1

Page Range: 74-79

Description:

Purpose. Investigate and establish the relationship between track geometry measurements and weather conditions to determine the parameters that influence the lifetime of railway tracks' superstructure system. The study of ballasted beds of railway tracks is very important for operation and maintenance in case of main lines, industrial sidings and mine transport. Methodology. Determination of the annual load of the selected section based on the regulations. Compari of the track parameters measurements made by TrackScan 4.01 instrument in different seasons and temperatures. Among the parameters measured by the instrument, the track gauge, alignment, longitudinal level, and superelevation parameters are considered and analyzed in this article.Since the main lines' traffic are permanently loaded with passenger and freight transport and the industrial sidings and mine tracks are used in the production process, the examinations can only be done on tramway tracks during the standstills at night. The results of these measurement on tramway tracks can help to understand the identify of railway tracks' lifetime and can be used in mainlines, industrial and mining railway tracks. Findings. The change in the average values of selected track geometrical parameters is analyzed, considering the typical weather conditions. Based on the measurement and results, there is an evident connection between the evaluated results of track geometry measurements and the change in weather conditions. Originality. Finding the relationship between changes in track geometry values and weather conditions on the basis of an evaluation of track geometry measurements taken on average every third month. Practical value. The results can then be used as input data for determining the service life of the track superstructure in the case of tramways, mainlines, industrial and mining railway tracks.

Open Access: Yes

DOI: 10.33271/nvngu/2023-1/074

Assessing the determinants of non-performing loans under financial crisis and health crisis: evidence from the MENA banks

Emira Kozarević Abdelaziz Hakimi Khalil Alnabulsi

Publication Name: Cogent Economics and Finance

Publication Date: 2022-01-01

Volume: 10

Issue: 1

Page Range: Unknown

Description:

The main objective of this paper is to investigate determinants of non-performing loans in the Middle East and North Africa region by exploring the role of bank-specific and macroeconomic factors, particularly in the period of the global financial crisis, as well as the COVID-19 pandemic, as a health crisis that translates to an economic crisis. This study includes 74 banks belonging to 11 MENA countries over the period 2005–2020 and uses the two-stage system generalized method of moment estimator. To conduct a comparative analysis, the whole sample is divided into two sub-samples. The first one is related to the Middle East countries and the second one covers North African countries. The empirical findings indicate that the level of non-performing loans is more sensitive to bank specifics than macroeconomic factors. When it comes to macroeconomic factors, macroeconomic environment and institutional quality significantly affect the level of NPLs. However, no significant effect has been detected regarding the impact of the COVID-19 pandemic.

Open Access: Yes

DOI: 10.1080/23322039.2022.2124665

Strain-specific biostimulant effects of chlorella and chlamydomonas green microalgae on medicago truncatula

Zoltán Futó Attila Farkas Gergely Maróti Margaret Mukami Gitau Benedikta Balla Vince Ördög

Publication Name: Plants

Publication Date: 2021-06-01

Volume: 10

Issue: 6

Page Range: Unknown

Description:

Microalgae have been identified to produce a plethora of bioactive compounds exerting growth stimulating effects on plants. The objective of this study was to investigate the plant-growth-promoting effects of three selected strains of eukaryotic green microalgae. The biostimulatory effects of two Chlorella species (MACC-360 and MACC-38) and a Chlamydomonas reinhardtii strain (cc124) were investigated in a Medicago truncatula model plant grown under controlled greenhouse conditions. The physiological responses of the M. truncatula A17 ecotype to algal biomass addition were characterized thoroughly. The plants were cultivated in pots containing a mixture of vermiculite and soil (1:3) layered with clay at the bottom. The application of live algae cells using the soil drench method significantly increased the plants’ shoot length, leaf size, fresh weight, number of flowers and pigment content. For most of the parameters analyzed, the effects of treatment proved to be specific for the applied algae strains. Overall, Chlorella application led to more robust plants with increased fresh biomass, bigger leaves and more flowers/pods compared to the control and Chlamydomonas-treated samples receiving identical total nutrients.

Open Access: Yes

DOI: 10.3390/plants10061060