Deutsch: Nicht-geteilte Umgebung / Español: Entorno no compartido / Português: Ambiente não compartilhado / Français: Environnement non partagé / Italiano: Ambiente non condiviso /

Non-shared environment is a subtype of environmental influences that refers to the environmental factors that produce behavioral differences among siblings living in the same household and is unique to a given individual.


Non-shared environment, in the context of psychology, refers to the unique environmental experiences that individuals face within their families, schools, and peer groups. These experiences are not shared with siblings or other family members, making them distinct and individualized. Non-shared environment encompasses factors such as peer relationships, school experiences, and personal interests, all of which contribute to shaping an individual's behavior and development. This concept highlights the importance of recognizing the influence of individual experiences in addition to shared environmental factors.

Application Areas

  • Behavioral genetics research
  • Child development studies
  • Social psychology experiments
  • Educational psychology research

Treatment and Risks

  • Treatment approaches may need to consider individual differences in non-shared environmental experiences
  • Risks include overlooking the impact of unique environmental factors on an individual's mental health
  • Therapeutic interventions should take into account the diverse experiences that contribute to an individual's psychological well-being


  • An individual's unique relationship with a specific teacher in school
  • A particular childhood trauma experienced by only one sibling in a family
  • An individual's personal interest in a specific hobby that is not shared with family members

Similar Concepts and Synonyms

  • Unique environmental experiences
  • Individualized environmental factors
  • Personalized environmental influences


Non-shared environment refers to the distinct environmental experiences that individuals face, separate from those shared with family members. These unique experiences play a crucial role in shaping behavior and development. Recognizing the influence of individual experiences in addition to shared environmental factors is key in understanding the complexity of human behavior and psychological development.