Penn State Worry Questionnaire – Children (PSWQ-C)

Abstract

The Penn State Worry Questionnaire – Children (PSWQ-C) is an empirically validated, self-report psychometric instrument designed to assess the frequency, excessiveness, and uncontrollability of worry in children and adolescents aged 7 to 17 years. Adapted by Bruce F. Chorpita and colleagues in 1997 from the original adult Penn State Worry Questionnaire (PSWQ; Meyer et al., 1990), the measure addresses a critical developmental gap in the assessment of cognitive manifestations of anxiety. While childhood anxiety was historically assessed through somatic sensations or general behavioral disturbance, the PSWQ-C isolates trait worry as a cognitive construct characterized by pervasive, repetitive thought cascades predominantly concerned with future threat or negative evaluation. The instrument comprises 14 items scored on a 4-point Likert scale ranging from 0 (Never) to 3 (Always), producing a continuous total score from 0 to 42. Extensive psychometric evaluations across diverse community and clinical samples demonstrate robust internal consistency (Cronbach’s α typically ranging between .82 and .91) and excellent test-retest reliability across intervals of one to three weeks (r = .83–.92). Structural analyses indicate that the instrument predominantly captures a robust unidimensional trait of generalized worry, with distinct methodological variance sometimes attributable to reversed items. The PSWQ-C demonstrates sound convergent validity with established pediatric anxiety and depression scales—including the Revised Children’s Manifest Anxiety Scale (RCMAS) and the Revised Children’s Anxiety and Depression Scale (RCADS)—and displays clinical utility in discriminating between youths diagnosed with Generalized Anxiety Disorder (GAD) and those presenting with other anxiety disorders, mood disorders, or typical developmental trajectories.

Keywords

Penn State Worry Questionnaire – Children, PSWQ-C, childhood worry, pediatric anxiety, Generalized Anxiety Disorder, psychometrics, cognitive assessment, uncontrollability of worry, child self-report, test-retest reliability

Authors

The Penn State Worry Questionnaire – Children was developed and validated by an influential group of clinical child psychologists and psychopathology researchers:

• Bruce F. Chorpita, Ph.D. – Department of Psychology, University of California, Los Angeles (UCLA); previously at the Center for Anxiety and Related Disorders (CARD), Boston University, and the University of Hawaii at Manoa. Primary contact for child assessment resources.
• Susan A. Tracey, M.A. – Center for Anxiety and Related Disorders, Boston University.
• Timothy A. Brown, Psy.D. – Department of Psychological and Brain Sciences, Boston University. A pioneer in confirmatory factor analysis and structural equation modeling in psychopathology.
• Tammy J. Collica, M.A. – Department of Psychology, University of Albany, State University of New York.
• David H. Barlow, Ph.D., ABPP – Center for Anxiety and Related Disorders, Boston University. Renowned theorist in emotional disorders and unified protocols.

Purpose

The primary purpose of the Penn State Worry Questionnaire – Children (PSWQ-C) is to quantitatively capture the severity, pervasiveness, and perceived uncontrollability of generalized worry in pediatric populations. Prior to the development of this instrument in the late 1990s, pediatric anxiety assessments focused disproportionately on observable behavioral avoidances, school refusal, separation distress, and physiological hyperarousal. Consequently, clinical research lacked an instrument capable of measuring the cognitive hallmark of Generalized Anxiety Disorder (GAD): excessive, future-oriented, verbal-linguistic perseverative thought.

In clinical practice, the PSWQ-C serves as a vital diagnostic screener and longitudinal outcome metric. Clinicians deploy the measure to establish baseline levels of cognitive distress, differentiate generalized worry from situation-bound or phobic anxieties (e.g., specific phobias, social performance anxiety), and monitor therapeutic gains across evidence-based protocols such as Cognitive Behavioral Therapy (CBT). Because reduction in somatic arousal does not necessarily correlate with immediate abatement of perseverative catastrophic ideation, the PSWQ-C provides a precise index of cognitive restructuring success and changes in metacognitive beliefs regarding the uncontrollability and danger of worry.

In academic and clinical trial research, the PSWQ-C enables structural investigations into developmental psychopathology. It allows researchers to evaluate how worry functions as a transdiagnostic risk factor that bridges internalizing spectra across the transition from middle childhood to adolescence. By establishing an age-normed, psychometrically sound index of worry frequency and uncontrollability, the instrument has contributed substantially to elucidating the emergence of negative affectivity, intolerance of uncertainty, and attentional biases in youths.

Psychological Construct

The psychological construct evaluated by the PSWQ-C is trait worry, conceptualized as a cognitive process characterized by predominantly linguistic-verbal thoughts concerning negative future outcomes, personal inadequacy, or ambiguous threat. Unlike fear, which represents an acute, present-oriented autonomic surge prompted by imminent danger, worry is intrinsically future-focused, cognitive, and perseverative.

Crucially, the construct measured by the PSWQ-C does not focus on the content or topical domains of worry (e.g., grades, family safety, health, peers), but rather on the formal and qualitative characteristics of the worry process. This construct comprises three core dimensions:

• Excessiveness: The disproportionate intensity and duration of cognitive concern relative to the actual likelihood or objective impact of the feared outcome. Youths with elevated scores report worrying when under minimal pressure, over-amplifying mundane issues, and remaining apprehensive across diverse ecological spheres (e.g., “Many things make me worry”).
• Pervasiveness / Generality: The chronic, cross-situational dispersion of worrisome ideation. Rather than resolving worry once a task or stressful situation concludes, the cognitive activity immediately shifts toward new ambiguous targets (e.g., “As soon as I finish one thing I start to worry about everything else I have to do”).
• Uncontrollability: The perceived inability to inhibit, terminate, or disengage from catastrophic perseveration once initiated. This subjective sense of helplessness regarding cognitive maintenance is the strongest predictor of clinical impairment and depressive comorbidity in youth (e.g., “Whenever I start to worry, I can’t stop” and “I know I shouldn’t worry about things, but I just can’t help it”).

The PSWQ-C conceptualizes this construct along a developmental continuum. In typically developing children, worry is often transient, context-specific, and modifiable through parental reassurance or distraction. In clinical elevations, worry morphs into an involuntary, pervasive cognitive pattern that interrupts sustained attention, impairs working memory, and degrades overall functional adjustment.

Theoretical Framework

The development and interpretation of the PSWQ-C are anchored in Thomas Borkovec’s Cognitive Avoidance Theory of Worry (Borkovec et al., 1998), alongside modern cognitive models of emotional disorders formulated by David H. Barlow and Adrian Wells.

Borkovec posits that worry operates as an internal, predominantly verbal-linguistic coping mechanism that functions to cognitively avoid deeper autonomic and emotional processing of more threatening mental imagery. In this framework, individuals engage in abstract, repetitive verbal scenarios because verbal-linguistic thoughts inhibit somatic-visceral arousal more effectively than concrete visual imagery. However, this process prevents emotional processing and habituation, thereby negatively reinforcing the worry cycle. When translated to youth, the theoretical challenge involves developmental maturation: children must possess sufficient metacognitive capability and executive functioning to notice, track, and report on the persistence and internal mechanics of their own thinking.

The framework also integrates Wells’ Metacognitive Model. Youths do not experience severe impairment solely from having negative thoughts (Type 1 worry); rather, pathological distress crystallizes when children develop secondary negative metacognitive beliefs regarding the danger and uncontrollability of the thoughts themselves (Type 2 worry or “meta-worry”). The PSWQ-C operationalizes these metacognitive appraisals through items addressing the uncontrollable nature of cognitive intrusion (“Once I start worrying I can’t stop”) and the experiential burden it creates (“My worries really bother me”).

Finally, the scale reflects Barlow’s Triple Vulnerability Theory, which asserts that emotional disorders stem from an interaction between general biological vulnerability (neurobiological reactivity), general psychological vulnerability (a perceived lack of control over environmental and internal events), and specific psychological vulnerability (early conditioning and learning experiences). The PSWQ-C specifically measures the cognitive expression of general psychological vulnerability—the profound conviction that negative life events are impending, uncontrollable, and intolerable.

Validity

The psychometric validity of the PSWQ-C has been rigorously established through multiple independent investigations across non-clinical, community, school-based, and clinical child cohorts.

Convergent Validity

Convergent validity is evidenced by significant, robust correlations with other standardized measures of child anxiety and affective disturbance. In the foundational validation study by Chorpita et al. (1997), PSWQ-C total scores correlated strongly with the Worry/Oversensitive subscale of the Revised Children’s Manifest Anxiety Scale (RCMAS) (r = .71) and demonstrated moderate-to-high correlations with the total RCMAS score (r = .69). Similarly, Pestle, Chorpita, and Schiffman (2008) observed strong convergent correlations between the PSWQ-C and the Generalized Anxiety Disorder subscale of the Revised Children’s Anxiety and Depression Scale (RCADS) (r = .68) in a large, ethnically diverse clinical sample of youth.

Discriminant Validity

The scale effectively differentiates generalized, cognitive worry from somatic arousal, behavioral fear, and other anxiety domains. While correlations with depressive measures such as the Children’s Depression Inventory (CDI) are moderately high (reflecting shared negative affectivity, typically r = .50–.60), the PSWQ-C correlates significantly less with pure autonomic/physiological panic symptoms and specific phobic measures. Muris, Meesters, and Gobel (2001) confirmed that the PSWQ-C accounts for unique variance in generalized anxiety after controlling for social anxiety, panic disorder, and separation anxiety symptoms.

Criterion and Diagnostic Validity

Receiver Operating Characteristic (ROC) analyses and structured diagnostic comparisons demonstrate that youths formally diagnosed with DSM-defined Generalized Anxiety Disorder score significantly higher on the PSWQ-C compared to clinically referred youths diagnosed with other internalizing conditions (e.g., social anxiety disorder, obsessive-compulsive disorder, major depressive disorder) as well as non-clinical controls (Chorpita et al., 1997; Pestle et al., 2008). Cross-cultural validation studies across France (Gosselin et al., 2002), Denmark (Esbjørn et al., 2013), and Korea (Kang et al., 2010) mirror these diagnostic distinctions, substantiating the scale’s cross-national construct validity.

Reliability

Empirical evidence across diverse clinical and community cohorts confirms that the PSWQ-C exhibits exceptional reliability indices, meeting and exceeding standard psychometric criteria for individual diagnostic and research screening.

Internal Consistency

The internal consistency of the 14-item PSWQ-C is consistently high:

• In the original community validation sample of children and adolescents, Chorpita et al. (1997) reported a Cronbach’s α of .89.
• In a large, clinic-referred cohort of children presenting to an outpatient anxiety clinic, Pestle et al. (2008) identified a Cronbach’s α of .91.
• In an independent European community sample of children aged 8 to 12 years, Muris et al. (2001) demonstrated an internal consistency coefficient of α = .82.
• Non-English adaptations demonstrate comparable parameters; for instance, the Danish version yielded an alpha of .89 in a normative sample and .87 in a clinical sample (Esbjørn et al., 2013).

Test-Retest Reliability

Temporal stability metrics indicate that the PSWQ-C reliably measures trait-like worry rather than fleeting state fluctuations:

• Chorpita et al. (1997) reported a 1-week test-retest reliability coefficient of r = .92 in a school-based sample, demonstrating immediate stability.
• Kang, Shin, and Song (2010) observed a 3-week test-retest reliability coefficient of r = .83 in primary school children, confirming substantial durability of scores over longer assessment windows.

Factor Analysis

Structural evaluations of the PSWQ-C via Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) have yielded critical insights regarding its dimensionality and the psychometric influence of reverse-worded items.

Dimensionality and Model Fit

Initial principal components and exploratory factor analyses conducted by Chorpita et al. (1997) supported a single overarching factor accounting for the majority of common variance. The original adult PSWQ contained 16 items; during initial child testing, two items failed to demonstrate satisfactory psychometric performance (due to developmental linguistic confusion) and were eliminated, yielding the definitive 14-item scale. In this refined structure, factor loadings for the forward-scored items generally range from .55 to .84, demonstrating strong saturation with the underlying latent trait of generalized, uncontrollable worry.

The Method Effect of Reversed Items

Subsequent CFA investigations (e.g., Muris et al., 2001; Pestle et al., 2008) tested competing structural models, comparing a pure unidimensional model against a two-factor model (frequently separating forward-worded items from reverse-worded items). Consistent with findings in the adult PSWQ literature, a standard one-factor CFA model often yields suboptimal fit indices unless methodological artifact is accounted for. Specifically:

• A bifactor model or a single-trait model with correlated uniquenesses among reverse-scored items typically yields superior fit indices (e.g., Comparative Fit Index [CFI] > .95, Tucker-Lewis Index [TLI] > .94, Root Mean Square Error of Approximation [RMSEA] < .05).
• The apparent second factor is widely recognized as a method effect resulting from cognitive processing demands associated with reading negatively phrased stems (such as Item 2, “I don’t really worry about things”) among younger youths, rather than a substantively distinct psychological construct.

Consequently, researchers and psychometricians strongly recommend treating the scale as functionally unidimensional, utilizing the total aggregated score to reflect overall severity of trait worry.

Instrument / Measurement Tool

The structural characteristics, administration guidelines, and scoring procedures for the scale are delineated below:

• Test Type: Self-report psychological questionnaire for youth.
• Target Population: Children and adolescents aged 7 to 17 years (readable at approximately the 2nd-grade reading level).
• Item Count: 14 items.
• Format: Paper-and-pencil or secure computer-based survey.
• Response Scale: 4-point Likert scale:
  • 0 = Never
  • 1 = Sometimes
  • 2 = Often
  • 3 = Always
• Scoring Instructions:
  • Most items are scored directly according to the numeric rating chosen by the respondent (0, 1, 2, or 3).
  • Item 11 is reverse-scored: 0 = 3, 1 = 2, 2 = 1, 3 = 0.
  • The total score is calculated by summing the scores of all 14 items.
  • Total scores range from 0 to 42.
  • Higher aggregate scores reflect greater frequency, severity, and perceived uncontrollability of generalized worry.
• Administration Time: Approximately 5 to 10 minutes.

Permissions & Fee and Test Year

The Penn State Worry Questionnaire – Children (PSWQ-C) was developed and published in 1997 by Bruce F. Chorpita and colleagues at Boston University and the University of Hawaii. The questionnaire was created for broad clinical, educational, and research utility.

The instrument is considered an open-access clinical research measure and is available free of charge for non-commercial scientific research, academic inquiry, and clinical training purposes. The clinical manual, scoring procedures, and normative materials have historically been disseminated online through child clinical research platforms (e.g., UCLA Child FIRST program: http://www.childfirst.ucla.edu/Resources.html) or obtained directly by contacting Dr. Bruce F. Chorpita. Reproduction or integration into commercial digital platforms or proprietary diagnostic software requires explicit written authorization from the primary copyright holders.

References

The psychometric evaluation, structural modeling, and theoretical foundation of the PSWQ-C are supported by the following peer-reviewed literature:

• Borkovec, T. D., Ray, S. D., & Stöber, J. (1998). Worry: A cognitive phenomenon intimately linked to affective, physiological, and interpersonal processes. Cognitive Therapy and Research, 22(6), 561–576. https://doi.org/10.1023/A:1018790003416
• Chorpita, B. F., Tracey, S. A., Brown, T. A., Collica, T. J., & Barlow, D. H. (1997). Assessment of worry in children and adolescents: An adaptation of the Penn State Worry Questionnaire. Behaviour Research and Therapy, 35(6), 569–581. https://doi.org/10.1016/S0005-7967(96)00116-7
• Esbjørn, B. H., Reinholdt-Dunne, M. L., Caspersen, I. D., Christensen, L. B., & Chorpita, B. F. (2013). Penn State Worry Questionnaire: Findings from normative and clinical samples in Denmark. Journal of Psychopathology and Behavioral Assessment, 35(1), 113–122. https://doi.org/10.1007/s10862-012-9316-2
• Gosselin, P., Tremblay, M., Dugas, M. J., & Ladouceur, R. (2002). Les inquiétudes chez les adolescents: Propriétés psychométriques de la version française du Penn State Worry Questionnaire for Children. Canadian Psychology/Psychologie canadienne, 43(4), 270. https://doi.org/10.1037/h0086923
• Kang, S. G., Shin, J. H., & Song, S. W. (2010). Reliability and validity of the Korean version of the Penn State Worry Questionnaire in primary school children. Journal of Korean Medical Science, 25(8), 1210–1216. https://doi.org/10.3346/jkms.2010.25.8.1210
• Meyer, T. J., Miller, M. L., Metzger, R. L., & Borkovec, T. D. (1990). Development and validation of the Penn State Worry Questionnaire. Behaviour Research and Therapy, 28(6), 487–495. https://doi.org/10.1016/0005-7967(90)90135-6
• Muris, P., Meesters, C., & Gobel, M. (2001). Reliability, validity, and normative data of the Penn State Worry Questionnaire in 8–12-yr-old children. Journal of Behavior Therapy and Experimental Psychiatry, 32(2), 63–72. https://doi.org/10.1016/S0005-7916(01)00022-2
• Pestle, S. L., Chorpita, B. F., & Schiffman, J. (2008). Psychometric properties of the Penn State Worry Questionnaire for children in a large clinical sample. Journal of Clinical Child & Adolescent Psychology, 37(2), 465–471. https://doi.org/10.1080/15374410801955896

13. Items of the Scale (Questionnaire)