Related Experiment Video
Updated: Mar 29, 2026

Experimental Paradigm for Measuring the Effects of Self-distancing in Young Children
Published on: March 1, 2019
Behavioral avoidance of contagion in childhood
Katy-Ann Blacker1, Vanessa LoBue1
1Department of Psychology, Rutgers University, Newark, NJ 07102, USA.
Children avoid sick individuals, showing the first evidence of behavioral avoidance of contagious illness. This behavior is linked to their understanding of illness, not just age.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Social Psychology
Background:
- Limited research exists on children's behavioral avoidance of contagious individuals.
- Previous studies focused on children's reasoning about contagion, not their actions.
- This study addresses the gap in understanding children's avoidance behaviors related to illness.
Purpose of the Study:
- To investigate whether children exhibit avoidance behaviors towards sick individuals.
- To explore the relationship between children's understanding of contagion and their avoidance actions.
- To identify factors predicting avoidance behavior in children exposed to illness.
Main Methods:
- Children aged 4-7 interacted with two confederates, one simulating sickness.
- Behavioral avoidance (proximity and toy contact) was observed.
- Children's knowledge and predictive ability regarding contagion were assessed.
Main Results:
- Children generally avoided the sick confederate and her toys.
- Avoidance behavior was statistically significant only in 6- and 7-year-olds.
- Children's causal reasoning about illness outcomes was the strongest predictor of avoidance, surpassing age.
Conclusions:
- This study provides the first empirical evidence of behavioral avoidance of contagious illness in childhood.
- Children's avoidance of sick individuals is influenced by their cognitive understanding of contagion.
- Causal knowledge about illness outcomes appears to be a key driver of these avoidance behaviors.
Related Concept Videos
Avoidance Learning and Learned Helplessness
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
Transmission-based Precautions I: Contact, Enteric, and Droplets
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
Transmission-based Precautions II: Airborne and Protective Environment
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
Preparedness and Phobias
Social Anxiety Disorder
Piaget's Stage 1 of Cognitive Development
Exploration...

