Posttraumatic Growth Inventory for Children (PTGI-C)

1. Abstract

The Posttraumatic Growth Inventory for Children (PTGI-C) is a standardized psychometric self-report instrument engineered to assess positive psychological changes and transformative growth reported by children and adolescents following exposure to acute or chronic traumatic life events. Adapted from the seminal adult Posttraumatic Growth Inventory (PTGI) developed by Tedeschi and Calhoun (1996), the PTGI-C was modified by Cryder, Kilmer, Tedeschi, and Calhoun (2006) and refined by Kilmer et al. (2009) to accommodate the cognitive, emotional, and reading comprehension levels of youth aged 7 to 18 years. The instrument comprises 21 items evaluated via a developmentally appropriate 4-point Likert-type response format ranging from 1 (Not at all true) to 4 (Very true). Parallel to the adult taxonomy, the scale operationalizes posttraumatic growth across five core psychological domains: Relating to Others, New Possibilities, Personal Strength, Appreciation for Life, and Spiritual Change. Extensive empirical evaluations across diverse pediatric populations—including survivors of natural disasters, severe medical illnesses, unintentional traumatic injuries, and interpersonal trauma—demonstrate that the PTGI-C exhibits robust psychometric integrity. Total scale internal consistency estimates consistently yield Cronbach’s alpha coefficients exceeding .85, while confirmatory and exploratory factor analyses generally substantiate the theoretical multidimensionality, alongside a defensible higher-order composite score. By distinguishing genuine cognitive accommodation and psychological enrichment from mere denial or hedonic resilience, the PTGI-C provides developmental psychopathology researchers and pediatric clinicians with a rigorous assessment protocol for mapping adaptive post-trauma trajectories.

2. Keywords

Posttraumatic Growth Inventory for Children, PTGI-C, pediatric trauma, posttraumatic growth, developmental psychometrics, resilience, child psychological assessment, trauma coping, Tedeschi and Calhoun, adolescent mental health

3. Authors

The Posttraumatic Growth Inventory for Children was developed through collaborative investigations led by clinical and developmental researchers at the University of North Carolina at Charlotte (UNC Charlotte). The primary contributors to the conceptualization, adaptation, and psychometric validation of the instrument include:

• Ryan P. Cryder, Ph.D. — Department of Psychology, University of North Carolina at Charlotte.
• Ryan P. Kilmer, Ph.D. — Professor of Psychology, Department of Psychology, University of North Carolina at Charlotte. Specializes in child clinical psychology, developmental risk, and resilience in children facing adverse life experiences.
• Richard G. Tedeschi, Ph.D. — Professor Emeritus of Psychology, University of North Carolina at Charlotte; Distinguished Chair at the Boulder Crest Institute for Posttraumatic Growth. Co-founder of the posttraumatic growth theoretical construct.
• Lawrence G. Calhoun, Ph.D. — Professor Emeritus of Psychology, University of North Carolina at Charlotte. Co-founder and pioneering theorist of posttraumatic growth.
• Virginia Gil-Rivas, Ph.D. — Professor of Psychology, University of North Carolina at Charlotte. Expert in adolescent coping, health behaviors, and trauma adaptation.
• Arnie Cann, Ph.D. — Professor Emeritus of Psychology, University of North Carolina at Charlotte.
• Kanako Taku, Ph.D. — Professor of Psychology, Oakland University. Leading researcher in cross-cultural posttraumatic growth assessment.

4. Purpose

Historically, the field of developmental psychopathology has evaluated the psychological aftermath of traumatic events almost exclusively through the lens of deficit-focused symptom models, prioritizing the diagnosis of Post-Traumatic Stress Disorder (PTSD), major depressive disorder, and behavioral disruption. While identifying psychopathology remains clinically essential, this deficit orientation neglected the possibility that navigating profound adversity can simultaneously catalyze positive psychological development. The Posttraumatic Growth Inventory for Children was expressly constructed to fill this psychometric and conceptual gap by providing an objective, standardized metric of positive developmental transformation following seismic life crises.

The primary clinical and research purpose of the PTGI-C is to evaluate the degree to which a child perceives beneficial subjective changes as an outcome of grappling with trauma. Importantly, posttraumatic growth is not conceptualized as the mere absence of distress, nor is it synonymous with psychological resilience—which reflects the capacity to withstand adversity and maintain baseline functioning without significant disruption. Instead, PTG captures transformative growth: a paradigm shift wherein an individual is altered by the cognitive struggle with adversity in ways that elevate their psychological functioning, interpersonal empathy, and existential depth beyond their pre-trauma baselines.

The PTGI-C serves multiple interrelated applications across pediatric research and clinical intervention:

• Longitudinal Outcome Tracking: In post-disaster scenarios (such as hurricanes, earthquakes, and community violence) and pediatric medical settings (such as pediatric oncology or organ transplantation), the scale enables researchers to track developmental trajectories over time, mapping how rumination and cognitive processing facilitate long-term psychological thriving.
• Clinical Treatment Formulation: Child therapists utilize the PTGI-C within trauma-focused cognitive-behavioral therapies to identify emergent cognitive reframing, facilitate meaning-making, and harness youth-identified personal strengths without invalidating their concurrent emotional pain.
• Intervention Efficacy Evaluation: The scale functions as an evaluative endpoint in positive psychology and post-disaster psychosocial intervention programs, determining whether interventions successfully foster social connectedness, emotional expression, and renewed life goals.

5. Psychological Construct

The psychological construct evaluated by the PTGI-C is posttraumatic growth (PTG) within a developmental framework. PTG is defined as significant, positive psychological change experienced as a consequence of the cognitive and emotional struggle with highly challenging, traumatic life circumstances. Crucially, the growth does not emanate directly from the traumatic event itself; rather, it is generated by the child’s active cognitive processing, narrative reconstruction, and emotional coping in the wake of systemic life disruption. In children and adolescents, this construct is articulated across five core dimensions:

1. Relating to Others

This subscale evaluates positive shifts in social and interpersonal relationships. Traumatic experiences often alter an adolescent’s interpersonal ecology, either isolating them or deepening their relational ties. In the PTGI-C, this dimension captures heightened empathy for others’ distress, an increased valuation of family and peer relationships, greater willingness to self-disclose emotional vulnerability, and the recognition that trustworthy support systems exist. Representative items include realizing that “some people will be there for me and help me if something bad happens” and feeling that “it is okay to let people know how I feel inside.”

2. New Possibilities

The New Possibilities domain reflects cognitive reframing regarding one’s future trajectory and daily engagement. When a traumatic event invalidates an adolescent’s prior expectations, it forces a renegotiation of life paths. This dimension measures the emergence of novel interests, alternative educational or vocational aspirations, and an expanded repertoire of behaviors or hobbies. In the PTGI-C, this is captured by items assessing the child’s realization that they have developed new aspirations for adulthood or discovered new recreational and developmental activities.

3. Personal Strength

This dimension measures perceived self-efficacy, internal locus of control, and confidence in managing future adversity. By surviving and coping with a severe crisis, youth often develop a fortified perception of their own emotional durability—the experiential realization of “if I survived this, I can survive anything.” Within the PTGI-C, Personal Strength evaluates self-reliance, coping competence, and the discovery of unexpected resilience, exemplified by the realization that “I can handle my problems” and “I can deal with more than I ever thought I could.”

4. Appreciation for Life

Trauma frequently confronts youth with human fragility, sudden loss, or mortality, disrupting the developmental illusion of invulnerability. The Appreciation for Life dimension assesses the resulting existential recalibration, characterized by heightened gratitude, an appreciation for each day, and a reprioritization of what truly matters. In children, this manifests as recognizing the intrinsic value of life, savoring ordinary moments, and reevaluating personal priorities.

5. Spiritual Change

This subscale reflects shifts in spiritual, existential, or religious understanding. For children, spiritual development is inherently tied to cognitive maturation and family cultural background. Following a crisis, youth may seek to comprehend complex existential questions concerning fairness, suffering, and a higher power. In the PTGI-C, Spiritual Change assesses a deepened comprehension of spiritual and religious concepts, as well as the subjective strengthening of spiritual convictions.

6. Theoretical Framework

The theoretical architecture of the PTGI-C is grounded in the Functional Descriptive Model of Posttraumatic Growth formulated by Richard Tedeschi and Lawrence Calhoun, integrated with cognitive theories of trauma and developmental systems theory.

Shattered Assumptions and Cognitive Schemas

At the core of PTG theory is Ronnie Janoff-Bulman’s (1992) Shattered Assumptions Theory. According to this framework, individuals operate based on fundamental assumptions regarding the world: that the world is benevolent, that events are meaningful and comprehensible, and that the self is worthy. Severe trauma acts as an existential earthquake that shatters these fundamental cognitive schemas. In adults, PTG requires the deconstruction and subsequent rebuilding of these assumptions. In children and adolescents, however, these schemas are not yet fully crystallized; they are actively developing. Therefore, trauma can disrupt emergent worldviews, requiring youth to construct flexible, mature schemas that accommodate suffering alongside agency and meaning.

The Dual-Process Model of Rumination

Calhoun and Tedeschi posit that growth is mediated by cognitive processing, specifically distinguishing between two forms of rumination:

• Intrusive Rumination: Immediately following trauma, the child experiences unbidden, involuntary thoughts and distress-laden reminders. This phase is characterized by acute distress and is closely linked to PTSD symptomatology.
• Deliberate Rumination: Over time, facilitated by emotional safety and supportive social environments, cognitive processing shifts toward deliberate, reflective rumination. The individual purposefully contemplates the event, engages in problem-solving, explores philosophical implications, and searches for constructive meaning. This deliberate cognitive labor is the engine of posttraumatic growth.

Developmental Considerations in Youth

Adapting this theoretical framework to pediatric populations required resolving critical developmental considerations. Cryder et al. (2006) and Kilmer et al. (2009) emphasized that children’s capacity for PTG is constrained by their cognitive developmental stage. Children in the formal operational stage (typically adolescents) possess the abstract reasoning skills necessary for complex metacognitive reflection and existential contemplation. However, pre-adolescent children operating within concrete operational frameworks may conceptualize growth through concrete behavioral milestones (e.g., performing better at school, making new friends) rather than abstract philosophical paradigms. Consequently, the PTGI-C translated adult existential constructs into concrete, accessible behavioral exemplars without forfeiting the theoretical core of the original model.

7. Validity

The psychometric validity of the PTGI-C has been rigorously established across multiple international studies, linguistic adaptations, and diverse trauma contexts, including natural disasters (e.g., Hurricane Katrina), pediatric chronic illness (e.g., cancer survivors), and accidental injury.

Construct and Structural Validity

Construct validity has been corroborated through structural equation modeling and confirmatory factor analysis (CFA). In the benchmark validation study by Kilmer et al. (2009) evaluating youth exposed to severe natural disaster, the five-factor structural model demonstrated adequate goodness-of-fit, confirming that the inventory assesses the distinct yet correlated theoretical facets of growth originally observed in adults. Although some pediatric samples exhibit high inter-factor correlations—leading some researchers to recommend utilizing the total composite score—the five distinct subscale domains retain substantial diagnostic utility.

Convergent Validity

Convergent validity is documented through statistically significant correlations with theoretical correlates of positive adaptation:

• Coping Strategies: PTGI-C scores show robust positive associations with active, approach-oriented coping mechanisms, such as positive reframing, emotional expression, and active problem-solving, while showing negligible or negative associations with avoidant coping or behavioral disengagement (Cryder et al., 2006).
• Social Support: Total and subscale scores correlate moderately-to-strongly ($r = .35$ to $.55, p < .001$) with perceived social support from family, peers, and teachers, confirming the relational hypothesis that supportive networks catalyze deliberate rumination and growth.
• Positive Affect and Optimism: PTGI-C dimensions correlate positively with dispositional optimism and measures of pediatric life satisfaction and subjective well-being.

Discriminant Validity

Discriminant validity is supported by data demonstrating that posttraumatic growth is empirically separable from posttraumatic stress. Numerous investigations (e.g., Meyerson et al., 2011; Kilmer et al., 2009) document curvilinear (inverted U-shaped) or low-to-moderate linear correlations ($r = .15$ to $.30$) between the PTGI-C and standardized PTSD symptom metrics (such as the UCLA PTSD Reaction Index). This demonstrates that PTG is not simply the mirror opposite of distress; rather, moderate posttraumatic distress frequently co-occurs with, and indeed prompts, the cognitive restructuring measured by the PTGI-C. Furthermore, scores demonstrate low correlations with social desirability metrics, indicating that reported growth does not merely reflect youth acquiescence or efforts to present favorably to adults.

8. Reliability

The PTGI-C has demonstrated exceptional internal consistency and stability across diverse empirical investigations involving clinical and non-clinical pediatric cohorts.

Internal Consistency

In the initial psychometric evaluations conducted by Cryder et al. (2006) among elementary and middle school children exposed to Hurricane Floyd, the total PTGI-C instrument demonstrated excellent internal reliability, with a Cronbach’s alpha coefficient of $\alpha = .89$. Subsequent large-scale investigations, such as Kilmer et al. (2009) with Hurricane Katrina survivors, reported total scale alpha values ranging from $\alpha = .88$ to $.91$.

The internal consistency estimates for the five individual subscales generally range from acceptable to strong, taking into account the brevity of the subscales:

• Relating to Others: $\alpha = .76 – .84$ (7 items)
• Personal Strength: $\alpha = .67 – .75$ (4 items)
• New Possibilities: $\alpha = .68 – .77$ (5 items)
• Appreciation for Life: $\alpha = .60 – .71$ (3 items)
• Spiritual Change: $\alpha = .64 – .78$ (2 items)

The slightly lower alpha values observed for the Appreciation for Life and Spiritual Change subscales are structurally attributable to their limited item count (3 and 2 items, respectively), as Cronbach’s alpha is inherently sensitive to scale length.

Test-Retest Reliability

Longitudinal stability evaluations indicate moderate-to-high test-retest reliability across multi-month intervals (e.g., $r = .65$ to $.74$ over 6- to 12-month periods), reflecting the nature of PTG as a relatively enduring cognitive shift rather than a transient, fluctuating affective state, while remaining appropriately sensitive to developmental maturation and ongoing therapeutic processing.

9. Factor Analysis

The internal structure of the PTGI-C has been evaluated via both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) to determine whether the five-factor architecture of the adult PTGI successfully transfers to youth cohorts.

Exploratory Factor Analyses

Early exploratory analyses conducted during scale adaptation (Cryder et al., 2006) examined whether developmental cognitive differences might collapse the adult five-factor structure into a more parsimonious model. While some initial unconstrained principal component analyses identified solutions with fewer factors (e.g., a prominent interpersonal factor combined with a broad personal competence/growth factor), the five theoretical factors consistently accounted for significant cumulative variance (frequently exceeding 55% of the total variance) when oblique rotations (e.g., Promax) were applied.

Confirmatory Factor Analyses and Structural Fit

Subsequent confirmatory studies (Kilmer et al., 2009; Meyerson et al., 2011) systematically tested competing structural models:

1. A single-factor general growth model;
2. A three-factor model combining interpersonal and intrapsychic domains;
3. The original five-factor model (Relating to Others, New Possibilities, Personal Strength, Appreciation for Life, Spiritual Change);
4. A second-order hierarchical model where the five primary factors load onto a higher-order latent construct of global Posttraumatic Growth.

CFA results generally demonstrate superior model fit for the correlated five-factor model and the hierarchical second-order model over the unidimensional model. Standard fit indices across validation cohorts reflect satisfactory fit:

• Comparative Fit Index (CFI) values consistently range between $.91$ and $.95$.
• Tucker-Lewis Index (TLI) values fall between $.89$ and $.93$.
• Root Mean Square Error of Approximation (RMSEA) values range from $.048$ to $.062$, falling within the acceptable cutoff parameters ($< .08$).
• Standardized item factor loadings across the 21 items are predominantly robust, with the majority exceeding $lambda = .50$, demonstrating strong associations between the observed indicators and their latent constructs.

10. Instrument / Measurement Tool

The operational characteristics, administrative guidelines, and scoring procedures for the PTGI-C are outlined below:

• Target Population: Children and adolescents aged approximately 7 to 18 years who have experienced an acute, chronic, or collective traumatic event.
• Administration Mode: Self-administered paper-and-pencil questionnaire, computerized survey, or structured clinical interview (recommended for children aged 7–9 or youth with cognitive or reading difficulties).
• Completion Time: Approximately 5 to 10 minutes.
• Item Count: 21 items.
• Response Scale: 4-point Likert-type scale scored as follows:
  • 1 = Not at all true
  • 2 = A little true
  • 3 = Mostly true
  • 4 = Very true
• Subscale Item Composition:
  • Relating to Others (7 items): Items 6, 7, 9, 12, 15, 18, 20
  • Personal Strength (4 items): Items 4, 8, 10, 17
  • New Possibilities (5 items): Items 2, 13, 14, 19, 21
  • Appreciation for Life (3 items): Items 1, 3, 11
  • Spiritual Change (2 items): Items 5, 16
• Scoring and Interpretation:
  • Total Score: Calculated by summing all 21 items (ranging from 21 to 84) or calculating an overall mean item score (ranging from 1.00 to 4.00). Higher scores denote greater perceived posttraumatic growth.
  • Subscale Scores: Derived by calculating the sum or mean of the respective items comprising each subscale. Utilizing mean subscale scores allows direct comparison across subscales regardless of differences in item count.
  • Reverse Scoring: There are no reverse-coded items; all statements are formulated positively to reflect developmental growth.

11. Permissions & Fee and Test Year

The Posttraumatic Growth Inventory for Children was formally introduced through psychometric research initiated in 2006 (Cryder et al., 2006) and further validated and revised in 2009 (Kilmer et al., 2009). The copyright of the original theoretical framework and scale is held by the respective authors and academic publishers (including the American Psychological Association and the International Society for Traumatic Stress Studies / John Wiley & Sons).

Licensing and Usage: The PTGI-C is generally available free of charge for non-commercial academic, clinical, and scientific research purposes. Clinicians and researchers wishing to employ the tool are typically permitted to utilize the items published in peer-reviewed validation studies provided appropriate academic attribution is maintained. For large-scale sponsored clinical trials, commercial usage, or formal distribution rights, inquiries should be directed to the corresponding instrument developers at the University of North Carolina at Charlotte Department of Psychology.

12. References

• Calhoun, L. G., & Tedeschi, R. G. (Eds.). (2006). Handbook of posttraumatic growth: Research and practice. Lawrence Erlbaum Associates Publishers. https://doi.org/10.4324/9781315805597
• Cryder, C. H., Kilmer, R. P., Tedeschi, R. G., & Calhoun, L. G. (2006). An exploratory study of posttraumatic growth in children following a natural disaster. American Journal of Orthopsychiatry, 76(1), 65–69. https://doi.org/10.1037/0002-9432.76.1.65
• Janoff-Bulman, R. (1992). Shattered assumptions: Towards a new psychology of trauma. Free Press.
• Kilmer, R. P., Gil-Rivas, V., Tedeschi, R. G., Cann, A., Calhoun, L. G., Buchanan, T., & Taku, K. (2009). Use of the revised Posttraumatic Growth Inventory for Children. Journal of Traumatic Stress, 22(3), 248–253. https://doi.org/10.1002/jts.20410
• Meyerson, D. A., Grant, K. E., Carter, J. S., & Kilmer, R. P. (2011). Posttraumatic growth among children and adolescents: A systematic review. Clinical Psychology Review, 31(6), 949–964. https://doi.org/10.1016/j.cpr.2011.06.003
• Tedeschi, R. G., & Calhoun, L. G. (1996). The Posttraumatic Growth Inventory: Measuring the positive legacy of trauma. Journal of Traumatic Stress, 9(3), 455–471. https://doi.org/10.1002/jts.2490090305
• Tedeschi, R. G., & Calhoun, L. G. (2004). Posttraumatic growth: Conceptual foundations and empirical evidence. Psychological Inquiry, 15(1), 1–18. https://doi.org/10.1207/s15327965pli1501_01

13. Items of the Scale (Questionnaire)