Engineering System | List of Frontiers open access articles

Opinion

Published on 13 May 2026

When Cronbach's alpha does (not) indicate the reliability of domain-specific knowledge tests and why

in Quantitative Psychology and Measurement

Steffen Zitzmann
Gabe A. Orona

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1796702

515 views

Review

Published on 13 May 2026

Convergent death programs in chronic obstructive pulmonary disease: how pyroptotic and ferroptotic crosstalk reshapes therapeutic paradigms

in Inflammation

Aisi Huang
Shiming Liu
Jiao Lan

Frontiers in Immunology

doi 10.3389/fimmu.2026.1827181

186 views

Review

Published on 13 May 2026

COVID-19 legislative response and challenges in Republic of Korea

in Public Health Policy

Hyun-Young Shin
Moran Ki

Frontiers in Public Health

doi 10.3389/fpubh.2026.1800597

179 views

Original Research

Published on 13 May 2026

How leader-enforced positivity and humility–aspiration signaling shape emotional exhaustion and unethical behavior: evidence for distinct psychological pathways

in Organizational Psychology

Hussain Ali
Rong Zheng
Lingyun Meng
Muhammad Qasim

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1774884

263 views

Original Research

Published on 13 May 2026

Update of the MSKCC nomogram for metastatic progression and its role in active surveillance: the Italian TPCP cohort

in Genitourinary Oncology

Nicolas Destefanis
Daniela Zugna
Valentina Fiano
Renata Zelic
Michelangelo Fiorentino
Francesca Giunchi
Piero Fariselli
Mauro Giulio Papotti
Paola Cassoni
Marco Oderda

Frontiers in Oncology

doi 10.3389/fonc.2026.1799343

168 views

Original Research

Published on 13 May 2026

Digitally mediated professional development of Nigerian teachers intending to relocate abroad: implications for school leaders

in Teacher Education

Chidubem Deborah Adamu
Omotayo Adewale Awodiji

Frontiers in Education

doi 10.3389/feduc.2026.1847574

176 views

Editorial

Published on 13 May 2026

Editorial: Advancing reproductive outcomes: integrating molecular, metabolic, and endocrine insights into oocyte maturation

in Reproduction

Konstantinos Dafopoulos

Frontiers in Endocrinology

doi 10.3389/fendo.2026.1865319

307 views

Original Research

Published on 13 May 2026

Assessment of treatment outcomes in patients with breast cancer who underwent mastectomy and breast reconstruction with sparing of the areola-nipple complex – single-center analysis

in Breast Cancer

Wojciech Stachura
Magdalena Nowikiewicz
Marek Zdrenka
Maria Szymankiewicz
Joanna Stachura
Iwona Głowacka-Mrotek
Magdalena Tarkowska
Łukasz Szylberg
Wojciech Zegarski
Tomasz Nowikiewicz

Frontiers in Oncology

doi 10.3389/fonc.2026.1706468

166 views

Original Research

Published on 13 May 2026

Biochemical profile and biofunctional effects of Crithmum maritimum L. from three harvests under different N:P:K ratios

in Nutrition and Sustainable Diets

Beatriz H. Paschoalinotto
Nikolaos Polyzos
Tânia C. S. P. Pires
Adriana K. Molina
Filipa Mandim
Miguel A. Prieto
Maria Inês Dias
Lillian Barros
Spyridon A. Petropoulos

Frontiers in Nutrition

doi 10.3389/fnut.2026.1833407

234 views

Original Research

Published on 13 May 2026

Navigating a new home: a grounded theory model of sports as a catalyst for social integration among aging migrants in China

in Aging and Public Health

Sun Wei
Wang Kunyan

Frontiers in Public Health

doi 10.3389/fpubh.2026.1731904

140 views

Original Research

Published on 13 May 2026

Morphological symmetry-aware generalized policy network for deep reinforcement learning

in Robot Learning and Evolution

Ryo Hakoda
Yubin Liu
Matthew Hwang
Yoshihiro Sato
Jun Takamatsu
Katsushi Ikeuchi
Takeshi Oishi

Frontiers in Robotics and AI

doi 10.3389/frobt.2026.1816301

332 views

Clinical Trial

Published on 13 May 2026

Nicotinamide riboside and pterostilbene reduces frequency and severity of undesirable symptoms of the menopause transition: an open-label, pilot clinical trial

in Interventions in Aging

Holly E. Holmes
Kamal Srivastava
Jennifer M. Scalici
Jyothi Dhuguru
Allyson E. Shea
Marie E. Migaud
Ryan W. Dellinger

Frontiers in Aging

doi 10.3389/fragi.2026.1773667

671 views

Original Research

Published on 13 May 2026

Intestinal gene expression in heat-stressed broilers selected for high water efficiency

in Avian Physiology

Kentu Lassiter
Loujain Aloui
Elizabeth S. Greene
Marciela Maqaeda
Kirsten Schaeffer
Brooklee Roach
Travis Tabler
Robert F. Wideman
Sara Orlowski
Sami Dridi

Frontiers in Physiology

doi 10.3389/fphys.2025.1609065

338 views

Editorial

Published on 13 May 2026

Editorial: Psychiatric insights in genetic and chromosomal disorders

in Intellectual Disabilities

Hiroki Ishiguro
Itaru Kushima
Jamie K. Capal

Frontiers in Psychiatry

doi 10.3389/fpsyt.2026.1848536

250 views

Original Research

Published on 13 May 2026

Interrelations of disease activity, health-related quality of life, and mental health in axial spondyloarthritis: the Rheuma-VOR cohort

in Rheumatology

Lina Judit Schiestl
Eva Wendt
Fabian Proft
Kirsten Hoeper
Torsten Witte
Gunter Assmann
Andreas Schwarting
Matthias Dreher

Frontiers in Medicine

doi 10.3389/fmed.2026.1823684

257 views

Original Research

Published on 13 May 2026

Clinical characteristics and real-world survival in acral melanoma: experience from a comprehensive cancer center in Latin America

in Skin Cancer

Diego Gómez-Abreo
Michael Steven Villabona Díaz
Nathalia Andrea Olarte-Licht
Lady Katerine Aldana Galvis
Johan Danilo Torres Rosas
Alexandra Hurtado-Ortiz
Maricel Licht-Ardila
Edgar Fabián Manrique-Hernández

Frontiers in Oncology

doi 10.3389/fonc.2026.1828547

247 views

Articles

When Cronbach's alpha does (not) indicate the reliability of domain-specific knowledge tests and why

Convergent death programs in chronic obstructive pulmonary disease: how pyroptotic and ferroptotic crosstalk reshapes therapeutic paradigms

COVID-19 legislative response and challenges in Republic of Korea

How leader-enforced positivity and humility–aspiration signaling shape emotional exhaustion and unethical behavior: evidence for distinct psychological pathways

Update of the MSKCC nomogram for metastatic progression and its role in active surveillance: the Italian TPCP cohort

Digitally mediated professional development of Nigerian teachers intending to relocate abroad: implications for school leaders

Editorial: Advancing reproductive outcomes: integrating molecular, metabolic, and endocrine insights into oocyte maturation

Assessment of treatment outcomes in patients with breast cancer who underwent mastectomy and breast reconstruction with sparing of the areola-nipple complex – single-center analysis

Biochemical profile and biofunctional effects of Crithmum maritimum L. from three harvests under different N:P:K ratios

Navigating a new home: a grounded theory model of sports as a catalyst for social integration among aging migrants in China

Morphological symmetry-aware generalized policy network for deep reinforcement learning

Nicotinamide riboside and pterostilbene reduces frequency and severity of undesirable symptoms of the menopause transition: an open-label, pilot clinical trial

Intestinal gene expression in heat-stressed broilers selected for high water efficiency

Editorial: Psychiatric insights in genetic and chromosomal disorders

Interrelations of disease activity, health-related quality of life, and mental health in axial spondyloarthritis: the Rheuma-VOR cohort

Clinical characteristics and real-world survival in acral melanoma: experience from a comprehensive cancer center in Latin America