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We studied whether brief mindfulness sessions reduce test anxiety in undergraduates. 120 students were randomly assigned to a 10-minute guided breathing condition or a control condition before a timed exam. We measured state anxiety with the STAI and exam performance. The mindfulness group showed significantly lower anxiety (d=0.52) and modestly higher scores. Results suggest low-cost interventions can support student wellbeing.

Paper Type

empirical

Word Limit

250

Include Keywords

yes

Style

structured

Saída (trecho)

Background: Test anxiety undermines academic performance, yet scalable interventions remain underexplored. Objective: To evaluate whether a brief pre-exam mindfulness exercise reduces state anxiety. Methods: In a randomized controlled design, 120 undergraduates completed either a 10-minute guided breathing session or a control task before a timed exam; anxiety was measured via the STAI. Results: The mindfulness group reported significantly lower state anxiety (d=0.52) and modestly improved scores. Conclusion: Brief mindfulness offers a low-cost route to student wellbeing.
Keywords: mindfulness, test anxiety, undergraduates, RCT, STAI

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This paper reviews 15 years of research on the gut-brain axis and its relationship to depression. We synthesize evidence from animal models, microbiome studies, and human trials of probiotics, identify methodological inconsistencies in strain selection and outcome measures, and propose a framework for standardizing future psychobiotic trials.

Paper Type

review

Word Limit

150

Include Keywords

yes

Style

unstructured

Saída (trecho)

The gut-brain axis has emerged as a promising frontier in understanding depression. This review synthesizes 15 years of evidence spanning animal models, microbiome profiling, and human probiotic trials. While findings consistently implicate microbial diversity in mood regulation, the literature is fragmented by inconsistent strain selection and heterogeneous outcome measures, limiting comparability. We propose a standardized framework for psychobiotic trial design to accelerate translational progress.
Keywords: gut-brain axis, depression, microbiome, psychobiotics, systematic review

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We describe how a mid-sized e-commerce company migrated a monolithic checkout service to event-driven microservices. Over six months, peak-hour latency dropped 40% and deployment frequency rose from weekly to daily. We detail the strangler-fig migration pattern, observability tooling, and the organizational challenges encountered.

Paper Type

case-study

Word Limit

300

Include Keywords

no

Style

structured

Saída (trecho)

Context: Monolithic checkout systems often become bottlenecks under peak load. Objective: This case study documents an e-commerce migration to event-driven microservices. Approach: Using the strangler-fig pattern, a mid-sized retailer incrementally extracted checkout functionality over six months, supported by distributed tracing and centralized logging. Outcomes: Peak-hour latency decreased 40% and deployment frequency increased from weekly to daily. Lessons: Technical gains depended heavily on cross-team coordination and investment in observability. Conclusion: Incremental decomposition reduces risk while delivering measurable performance and velocity improvements.