Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Stress Prevention and Stress Management Techniques III01:25

Stress Prevention and Stress Management Techniques III

107
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
107
Stress and Mental Health01:30

Stress and Mental Health

211
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
211
Social Facilitation01:04

Social Facilitation

32.9K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
32.9K
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

177
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
177
Stress Prevention and Stress Management Techniques VI01:30

Stress Prevention and Stress Management Techniques VI

64
Adopting a healthier lifestyle often requires overcoming significant challenges, but leveraging psychological, social, and cultural resources can facilitate meaningful change. Effective self-change hinges on understanding and applying key tools such as motivation and goal setting, which help sustain efforts toward long-term health benefits.
Motivation and Self-Determination
Motivation, the driving force behind behavior, plays a pivotal role at every stage of the change process. The research...
64
Stress Prevention and Stress Management Techniques I01:26

Stress Prevention and Stress Management Techniques I

92
Stress prevention and management are crucial for maintaining well-being and building resilience. Techniques to manage stress include cultivating qualities like conscientiousness, a sense of personal control, and self-efficacy. Each of these traits significantly reduces stress and promotes healthier lifestyle choices and outcomes.
Conscientiousness
Conscientious individuals tend to be organized, responsible, and disciplined. They prioritize completing tasks and following structured routines,...
92

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Methodological Approaches to and Reported Performance of Applications of Automated Machine Learning in Diabetes Risk Prediction: Rapid Review.

JMIR AI·2026
Same author

Causal Effect Estimation With TMLE: Handling Missing Data and Near Violations of Positivity.

Biometrical journal. Biometrische Zeitschrift·2026
Same author

Adaptive Sparsening and Smoothing of the Treatment Model for Longitudinal Causal Inference Using Outcome-Adaptive LASSO and Marginal Fused LASSO.

Statistics in medicine·2026
Same author

Do machine learning methods make better predictions than conventional ones in pharmacoepidemiology? A systematic review, meta-analysis, and network meta-analysis.

Artificial intelligence in medicine·2025
Same author

Personalized strategies for high-risk acute pulmonary embolism: addressing the "catastrophic" subgroup. Author's reply.

Intensive care medicine·2025

Video Experimental Relacionado

Updated: Sep 10, 2025

Handling Techniques to Reduce Stress in Mice
09:03

Handling Techniques to Reduce Stress in Mice

Published on: September 25, 2021

39.5K

¿Está comprobando las violaciones de positividad secuenciales que te llevan abajo? ¡Prueba con el deporte!

Arthur Chatton1, Michael Schomaker2,3, Miquel-Angel Luque-Fernandez4,5

  • 1From the Faculté de Pharmacie, Université de Montréal, Montréal, QC, Canada.

Epidemiology (Cambridge, Mass.)
|August 26, 2025
PubMed
Resumen
Este resumen es generado por máquina.

El algoritmo de regresión de positividad secuencial (sPoRT) identifica subgrupos que violan los supuestos de positividad secuencial para la inferencia causal. Este método ayuda a comprender las violaciones y a encontrar soluciones en los estudios observacionales.

Palabras clave:
Inferencia causalSoporte de datosRégimen de tratamiento dinámicoEstudio longitudinalPositividadÁrbol de regresión

Más Videos Relacionados

Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research
05:03

Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research

Published on: December 15, 2023

4.2K
Tracking Individual Running Metrics in Mice Using a Voluntary Wheel Running Protocol that Minimizes Social Isolation
04:48

Tracking Individual Running Metrics in Mice Using a Voluntary Wheel Running Protocol that Minimizes Social Isolation

Published on: April 18, 2025

681

Videos de Experimentos Relacionados

Last Updated: Sep 10, 2025

Handling Techniques to Reduce Stress in Mice
09:03

Handling Techniques to Reduce Stress in Mice

Published on: September 25, 2021

39.5K
Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research
05:03

Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research

Published on: December 15, 2023

4.2K
Tracking Individual Running Metrics in Mice Using a Voluntary Wheel Running Protocol that Minimizes Social Isolation
04:48

Tracking Individual Running Metrics in Mice Using a Voluntary Wheel Running Protocol that Minimizes Social Isolation

Published on: April 18, 2025

681

Área de la Ciencia:

  • Epidemiología
  • Estadísticas biológicas
  • Inferencia causal

Sus antecedentes:

  • La positividad secuencial es crucial para la inferencia causal, pero es difícil de verificar.
  • Los métodos existentes se basan en modelos de puntuación de propensión potencialmente mal especificados.
  • Las violaciones de la positividad secuencial pueden sesgar los resultados en estudios observacionales.

Objetivo del estudio:

  • Introducir un nuevo algoritmo, el árbol de regresión de positividad secuencial (sPoRT), para verificar el supuesto de positividad secuencial.
  • Identificar los subgrupos que violan la positividad secuencial y comprender la naturaleza de estas violaciones.
  • Proporcionar soluciones prácticas y conocimientos para manejar las violaciones de la positividad.

Principales métodos:

  • Desarrolló el algoritmo de árbol de regresión de positividad secuencial (sPoRT).
  • sPoRT ofrece versiones para estrategias de tratamiento estáticas/dinámicas, estratificadas/comunicadas en el tiempo.
  • sPoRT demostrado utilizando un estudio de tiempo de tratamiento del VIH en el mundo real.

Principales resultados:

  • El algoritmo sPoRT es fácil de usar y proporciona resultados interpretables para los epidemiólogos.
  • Se identificaron subgrupos específicos que exhibían violaciones de positividad.
  • Se dispone de un cuaderno R para la aplicación práctica de sPoRT.

Conclusiones:

  • sPoRT identifica efectivamente los subgrupos interpretables que violan la positividad secuencial.
  • Facilita la identificación fácil de patrones y tendencias en los factores de confusión.
  • Ofrece recomendaciones prácticas para abordar las violaciones de positividad en la inferencia causal.