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Related Experiment Video

Updated: May 20, 2026

Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes

Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes

Published on: December 15, 2023

Behavioural changes add validity to the construct of posttraumatic growth.

Jane Shakespeare-Finch¹, Allysa J Barrington

¹School of Psychology and Counselling, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia. j.shakespeare-finch@qut.edu.au

Journal of Traumatic Stress

|August 1, 2012

Summary

Trauma survivors report positive behavioral changes after trauma, which are confirmed by their loved ones. This research validates the posttraumatic growth construct and its measurement tool.

Related Experiment Videos

Last Updated: May 20, 2026

Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes

Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes

Published on: December 15, 2023

Area of Science:

Psychology
Trauma Studies
Mental Health

Background:

Traumatic experiences can lead to significant psychological distress.
The concept of posttraumatic growth (PTG) describes positive changes following trauma.
Existing cognitive models of PTG require further empirical validation and extension.

Purpose of the Study:

To identify positive behavioral changes in trauma survivors.
To extend the current cognitive model of posttraumatic growth (PTG).
To investigate whether significant others corroborate survivors' reports of PTG.

Main Methods:

A sample of 176 participants (88 trauma survivors, 88 significant others) was recruited.
Participants completed the Posttraumatic Growth Inventory (PTGI) and open-ended questions on behavioral changes.
Data were analyzed to compare survivor and significant other reports and examine PTGI scores.

Main Results:

Significant others corroborated survivors' self-reported PTG, with minor differences in the 'Appreciation of Life' factor.
The total PTGI scores between survivors and significant others explained 33% of the variance.
Nearly all survivors reported positive behavioral changes, which were also corroborated by their significant others.

Conclusions:

The findings provide strong validation for the PTG construct and the PTGI.
Corroboration by significant others supports the reliability of reported posttraumatic growth.
Incorporating corroborating perspectives may enhance therapeutic interventions for trauma recovery and growth.