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Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions
Published on: July 17, 2020
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La emergencia de la aversión a la inequidad desventajosa entre los 2 y 4 años
Fernando Sánchez Hernández1, Daniel Hyde2
1Department of Psychology, University of Illinois Urbana-Champaign, United States.
Journal of experimental child psychology
|January 27, 2026
Resumen
Los niños de tan solo 2 años notan la injusticia, pero solo los de 4 protestan activamente contra la inequidad desventajosa. Este estudio explora el desarrollo de la equidad en la primera infancia, rastreando las respuestas a la distribución desigual de recursos.
Área de la Ciencia:
- Psicología del Desarrollo
- Economía Conductual
- Desarrollo Infantil
Sus antecedentes:
- Comprender la emergencia de las consideraciones de equidad en los niños es crucial para la psicología del desarrollo.
- Investigaciones anteriores no han definido claramente cuándo y cómo los niños reaccionan a las distribuciones de recursos inequitativas, especialmente cuando están en desventaja.
Objetivo del estudio:
- Investigar el desarrollo de la sensibilidad y la respuesta a las ofertas desventajosas inequitativas en niños pequeños.
- Determinar la edad a la que los niños muestran aversión a la inequidad desventajosa.
Principales métodos:
- Se realizaron dos estudios con niños de 2 y 4 años (N=39 y N=80).
- Se utilizaron versiones modificadas del Juego de la Inequidad para presentar escenarios de distribución de recursos desventajosos.
- Se registraron la sensibilidad implícita y las decisiones de respuesta explícita a las ofertas desiguales.
Principales resultados:
- Tanto los niños de 2 como los de 4 años demostraron sensibilidad a las ofertas desventajosas en las que no recibieron nada mientras un compañero recibía recursos (0 frente a 3).
- Solo los niños de 4 años estuvieron dispuestos a rechazar ofertas que implicaban beneficio personal (1 frente a 3) para protestar contra el trato injusto.
- Esto indica una progresión en el desarrollo desde la sensibilidad hasta la aversión activa a la inequidad desventajosa.
Conclusiones:
- La sensibilidad a la distribución desventajosa de recursos emerge a los 2 años.
- La aversión a la inequidad desventajosa, caracterizada por protestar contra la injusticia incluso con un costo personal, se desarrolla más tarde, a los 4 años.
- Estos hallazgos resaltan hitos críticos del desarrollo en la comprensión y respuesta de los niños a la equidad.
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