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Transcranial direct current stimulation combined with cognitive-behavioral interventions for depressive disorders: a systematic review and meta-analysis of sham-controlled randomized trials

Otavio A. F. S. Da Silva, Samuel I. D. S. Pereira, Alper Mert, Débora R. de Aguiar et al. • Frontiers in Psychiatry (2026)

IntroductionDepressive disorders are a prevalent psychiatric condition; major depressive disorder (MDD) specifically affects approximately 5.7% of adults worldwide and is associated with high levels of disability and disease burden. Althoug...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpsyt.2026.1899231

On Combined Maximal Precedence–Exceedance Test with Application to HIV Clinical Trials

Sylvester Sebola, Niladri Chakraborty, Morné Rowan Sjölander • Mathematics (2026)

This paper proposes a combined maximal precedence–exceedance test (MPErs) that integrates maximal precedence and maximal exceedance statistics tests to provide sensitivity to both early and late distributional differences between two sample...

DOAJ Open Access (DOAJ) DOI: 10.3390/math14203658

Evaluation of pragmatic oxygenation measurement as a proxy for Covid-19 severity

Maaike C. Swets, Steven Kerr, James Scott-Brown, Adam B. Brown et al. • Nature Communications (2023)

Abstract Choosing optimal outcome measures maximizes statistical power, accelerates discovery and improves reliability in early-phase trials. We devised and evaluated a modification to a pragmatic measure of oxygenation function, the $$S/F$...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-023-42205-6

Estimating the impact of between- and within-subject designs on consumer valuation experiments: the case of positive vs. negative information

Christopher R. Gustafson, Syed Imran Ali Meerza, Khondoker A. Mottaleb • Frontiers in Behavioral Economics (2026)

IntroductionValuation experiments are an important technique for measuring preferences for products, product attributes, and the effect of information on consumer valuation. While these experimental valuation techniques are widely used, the...

DOAJ Open Access (DOAJ) DOI: 10.3389/frbhe.2026.1870245

Higher Education, Innovation, and Regional Economic Development in Kazakhstan: Panel-Data and Difference-in-Differences Evidence, 2010–2024

Aigerim Lambekova, Azamat Zhanseitov, Yuliya Sayfullina, Valentina Berezyuk et al. • Economies (2026)

This study examines the relationship between higher education development, innovation capacity, and regional economic performance across Kazakhstan’s regions during the 2010–2024 period. The analysis is motivated by the growing role of high...

DOAJ Open Access (DOAJ) DOI: 10.3390/economies14070261