Pediatric Symptom Checklist (PSC-35)

1. Abstract

The Pediatric Symptom Checklist (PSC-35) is an extensively validated, brief parent-completed screening questionnaire engineered to facilitate the early identification of broad cognitive, emotional, and behavioral difficulties in pediatric primary care and community contexts. Developed by Michael S. Jellinek and J. Michael Murphy at Massachusetts General Hospital, the instrument translates complex developmental psychopathology into a practical, 35-item inventory that quantifies children’s overall psychosocial dysfunction. Administered across pediatric populations aged 4 through 18, the PSC-35 evaluates pediatric functioning via three empirically established subscales: Attention Problems, Internalizing Problems (anxiety and depression), and Externalizing Problems (conduct and oppositional behaviors), alongside generalized items capturing somatic complaints and functional impairment. Each item is rated on a 3-point frequency scale: Never (0), Sometimes (1), and Often (2), yielding a total composite score ranging from 0 to 70.

Extensive psychometric investigations have affirmed the robust reliability and clinical utility of the PSC-35 across diverse socioeconomic, ethnic, and international cohorts. The instrument demonstrates high internal consistency, with total score Cronbach’s alpha coefficients routinely exceeding 0.89 to 0.91, and test-retest reliability estimates demonstrating temporal stability between 0.84 and 0.91. Criterion and convergent validity are documented through strong correlations with gold-standard diagnostic interviews and comprehensive behavioral batteries, such as the Child Behavior Checklist (CBCL) (Pearson’s r = 0.81). Using established clinical cutoffs—a composite score of 28 or higher for children aged 6 through 18, and 24 or higher for preschool-aged children aged 4 to 5—the PSC-35 achieves a sensitivity of approximately 0.95 and a specificity of 0.68 relative to clinician-determined psychiatric impairment. This profile renders it an exceptionally sensitive first-tier instrument within multi-tiered systems of support (MTSS) and integrated pediatric behavioral health models.

2. Keywords

Pediatric Symptom Checklist, PSC-35, pediatric mental health screening, psychosocial dysfunction, behavioral screening, developmental psychopathology, internalizing symptoms, externalizing problems, primary care pediatrics, psychometrics.

3. Authors

The Pediatric Symptom Checklist was conceptualized, developed, and standardized by a multidisciplinary team of child psychiatrists, psychologists, and pediatric researchers based at the Child Psychiatry Service and the Department of Pediatrics at Massachusetts General Hospital (MGH) and Harvard Medical School:

• Michael S. Jellinek, M.D. — Professor Emeritus of Psychiatry and Pediatrics, Harvard Medical School; former Chief of Child Psychiatry at Massachusetts General Hospital; former Chief Executive Officer of Community Catalyst and Newton-Wellesley Hospital, Boston, Massachusetts, USA.
• J. Michael Murphy, Ed.D. — Associate Professor of Psychology, Department of Psychiatry, Harvard Medical School; Senior Staff Psychologist, Child Psychiatry Service, Massachusetts General Hospital, Boston, Massachusetts, USA.
• Collaborating Investigators (Initial Validation): Jessica Robinson, M.S.W.; Anita Feins, M.D.; Sharon Lamb, Ed.D.; and Terence Fenton, Ed.D. (Massachusetts General Hospital and Harvard Medical School).

Correspondence regarding the instrument, historical longitudinal archives, and ongoing cross-cultural adaptations is maintained through the Child Psychiatry Service at Massachusetts General Hospital (Boston, MA 02114, USA; official repository: Massachusetts General Hospital Pediatric Symptom Checklist).

4. Purpose

The foundational purpose of the Pediatric Symptom Checklist (PSC-35) is to mitigate the pervasive under-identification of psychosocial, emotional, and behavioral problems in pediatric populations. Epidemiological research consistently demonstrates that approximately 12% to 20% of children and adolescents meet criteria for a diagnosable psychiatric disorder, yet fewer than one-third of these individuals are identified or receive timely intervention. Because the pediatric primary care office serves as the de facto frontline medical home for nearly all developing children, routine developmental-behavioral surveillance within these clinical encounters represents a critical public health strategy. The PSC-35 was specifically designed to operationalize this surveillance through a rapid, standardized, and cost-effective methodology.

Clinically, the PSC-35 addresses the inherent time constraints and diagnostic barriers faced by pediatricians, family physicians, and community healthcare providers during standard well-child checkups. Traditional comprehensive psychiatric assessment tools (such as comprehensive multi-informant rating batteries or structured clinical interviews) are resource-intensive, requiring 20 to 45 minutes to complete and specialized clinical expertise to score and interpret. In contrast, the PSC-35 can be completed by a parent or legal guardian in the waiting room in under 5 minutes and hand-scored or electronically calculated by clinic staff in less than 2 minutes. Its primary function is not to provide a categorical DSM-5 or ICD-11 diagnosis, but rather to function as an objective, dimensional screening trigger—identifying children who manifest substantial distress or functional impairment and who therefore require further diagnostic evaluation, immediate clinical counseling, school-based interventions, or specialized child psychiatric referral.

Beyond individual-level clinical triage, the PSC-35 serves crucial research and epidemiological functions. Within population health monitoring, health services research, and program evaluation frameworks, the tool provides a validated metric of overall child psychosocial morbidity. It has been extensively utilized to assess the prevalence of psychological distress within socioeconomically disadvantaged settings, monitor behavioral trajectories following systemic community trauma or disaster exposure, and quantify outcomes within integrated behavioral health interventions. Furthermore, educational institutions employ the tool within Response to Intervention (RTI) and Multi-Tiered Systems of Support (MTSS) models to benchmark student emotional functioning, guide Tier 2 targeted group supports, and assess systemic school climate initiatives.

5. Psychological Construct

The core construct evaluated by the Pediatric Symptom Checklist is general pediatric psychosocial dysfunction. This overarching meta-construct conceptualizes child mental health not merely as the presence or absence of a discrete psychiatric disorder, but as a continuous, dimensional spectrum of behavioral, emotional, and social adaptation across developmental stages. Psychosocial dysfunction manifests when emerging psychological symptoms cross a threshold that impedes normal developmental milestones, educational attainment, peer socialization, or familial equilibrium. The PSC-35 operationalizes this meta-construct via three primary dimensional domains, supplemented by generalized markers of distress:

Attention Problems Domain

The Attention Problems subscale encompasses neurodevelopmental and self-regulatory dysfunctions characterized by core deficits in attentional deployment, cognitive executive functioning, and motoric impulse control. Items constituting this domain capture hallmark presentations of attention-deficit/hyperactivity disorder (ADHD), including motoric agitation (“Fidgety, unable to sit still”), excessive kinetic energy (“Acts as if driven by a motor”), cognitive drift (“Daydreams too much”), susceptibility to external interference (“Distracted easily”), and task-maintenance failure (“Has trouble concentrating”). Within the construct definition, these behaviors represent sustained impairments in self-regulation relative to chronological peers, reflecting neurocognitive vulnerabilities that interfere with structured classroom learning and daily task completion.

Internalizing Problems Domain

The Internalizing Problems subscale taps into covert, inwardly directed emotional distress, comprising manifestations of major depressive disorder, dysthymia, generalized anxiety disorder, and social phobia. It captures core affective perturbations, including persistent negative affectivity and dysphoria (“Feels sad, unhappy”), cognitive despair and demoralization (“Feels hopeless”), compromised self-worth and pathological self-blame (“Is down on him or herself”), pervasive apprehension and anticipatory dread (“Worries a lot”), and anhedonia or behavioral withdrawal from pleasurable activities (“Seems to be having less fun”). This dimension measures the child’s subjective distress, capturing depressive and anxious phenomena that are frequently under-recognized by parents and educators compared to disruptive outward behaviors.

Externalizing Problems Domain

The Externalizing Problems subscale reflects outwardly directed, disruptive, and dysregulated interpersonal conduct. This dimension encapsulates behavioral manifestations congruent with oppositional defiant disorder (ODD) and emergent conduct problems. Items encompass physical aggression (“Fights with other children”), systemic resistance to environmental authority (“Does not listen to rules”), impaired socio-emotional reciprocity and theory of mind (“Does not understand other people’s feelings”), active relational antagonism (“Teases others”), externalization of responsibility (“Blames others for his or her troubles”), covert violation of property rights (“Takes things that do not belong to him or her”), and rigid prosocial deficits (“Refuses to share”). This construct reflects severe ruptures in social perspective-taking, behavioral inhibition, and moral-relational compliance within the family and peer ecosystems.

Somatic and School Impairment Markers

In addition to the three isolated subscales, the total composite construct incorporates broad items indexing functional somatization and functional academic/social impairment. Items addressing recurrent somatic distress without an organic etiology (“Complains of aches and pains”, “Visits the doctor with doctor finding nothing wrong”) capture the frequent somatic expression of emotional distress common in younger pediatric populations. Items assessing absenteeism (“Absent from school”), academic decline (“School grades dropping”), sleep architecture disturbances (“Has trouble sleeping”), and developmental regression (“Acts younger than children his or her age”) ensure that the global score reflects overall functional impairment across major ecological spheres.

6. Theoretical Framework

The conceptual architecture of the Pediatric Symptom Checklist is rooted in the integrative paradigm of developmental psychopathology, articulated by theorists such as Dante Cicchetti and Alan Sroufe, combined with Urie Bronfenbrenner’s Ecological Systems Theory and contemporary public health screening models.

Developmental Psychopathology Foundations

Developmental psychopathology posits that psychopathology cannot be decoupled from normative developmental processes. Psychological disorders are viewed as dynamic deviations from healthy developmental trajectories rather than static intra-individual diseases. In children, behavioral and emotional signs often manifest fluidly across developmental transitions; a behavior that is developmentally appropriate at age three (such as separation distress or motor restlessness) becomes clinically significant if it persists into middle childhood or adolescence. Jellinek and Murphy operationalized this principle by designing items that reflect behavioral extremes relative to developmental milestones (e.g., “Acts younger than children his or her age”, “Wants to be with you more than before”). Furthermore, the framework acknowledges equifinality (multiple developmental pathways leading to the same observable symptom) and multifinality (a single risk factor yielding divergent clinical outcomes), necessitating a broad-bandwidth screening tool that detects general psychosocial vulnerability rather than narrow diagnostic profiles.

Ecological Systems Theory and Informant Observation

Bronfenbrenner’s ecological framework asserts that a child’s psychological development is heavily nested within proximal microsystems, most notably the family and the school. The PSC-35 deliberately leverages the parent or legal guardian as the primary informant. In early and middle childhood, children frequently lack the metacognitive maturity, temporal perspective, or expressive language required to self-report emotional nuances or behavioral frequencies reliably. Parents occupy a unique ecological vantage point: they observe the child continuously across varied situational demands, developmental stress points, peer interactions, and domestic routines. By aggregating parental observations across diverse operational domains (domestic life, peer groups, academic tasks, interactions with authority figures), the PSC-35 operationalizes the child’s functioning within their most immediate and influential ecological systems.

Hierarchical and Multi-Tiered Public Health Model

From an epistemological and public health standpoint, the PSC-35 is structured upon the principles of secondary prevention and universal screening, as outlined by the World Health Organization (Wilson and Jungner criteria) and the American Academy of Pediatrics (AAP) Bright Futures guidelines. Within this architecture, universal screening operates as a Tier 1 preventative filter. The theoretical rationale assumes that pediatric primary care serves as an optimal ecological node for universal surveillance because it circumvents the stigma frequently associated with traditional psychiatric clinics. By establishing an empirical cutoff based on Receiver Operating Characteristic (ROC) analysis, the instrument dichotomizes continuous dimensional scores into low-risk versus high-risk strata, triggering subsequent, highly specific diagnostic assessments (Tier 2 and Tier 3) only when clinical thresholds are breached.

7. Validity

The psychometric validity of the PSC-35 has been confirmed across hundreds of empirical studies spanning four decades, establishing robust construct, criterion, convergent, and discriminant validity across diverse demographic and clinical populations.

Criterion-Related and Concurrent Validity

Criterion validity was established in seminal validation studies by Jellinek et al. (1988), who benchmarked the PSC-35 against independent clinical psychiatric evaluations and structured diagnostic interviews. When compared against blind clinical evaluations conducted by child psychiatrists and clinical psychologists, the original PSC-35 cutoff score of 28 (for children aged 6–18) demonstrated an exceptional sensitivity of 0.95 (identifying 95% of children exhibiting true psychosocial impairment) and a specificity of 0.68. The deliberate psychometric calibration toward elevated sensitivity reflects clinical screening priorities: in early detection of pediatric psychiatric vulnerability, the clinical cost of a false negative (failing to detect an impaired, suicidal, or struggling child) substantially outweighs the temporary inconvenience of a false positive, which can be readily resolved during secondary clinical review.

Convergent Validity

Convergent validity has been repeatedly verified via strong correlations with comprehensive, lengthier standardized behavioral instruments. In a landmark comparative investigation by Vogels, Crone, Hoekstra, and Reijneveld (2009), the PSC-35 was evaluated alongside Achenbach’s Child Behavior Checklist (CBCL). The Pearson correlation coefficient between the PSC-35 total score and the CBCL Total Problems score was documented at r = 0.81 (p < .001), representing a very large effect size (Cohen, 1992). Strong, domain-congruent convergent relationships were likewise confirmed across subscale dimensions: the PSC-35 Attention subscale correlates highly with the CBCL Attention Problems scale (r = 0.76–0.82) and Conners’ Rating Scales; the PSC-35 Internalizing subscale correlates significantly with the Children’s Depression Inventory (CDI; r = 0.64) and the Multidimensional Anxiety Scale for Children (MASC); and the Externalizing subscale correlates robustly with the CBCL Externalizing Problems scale (r = 0.74–0.79).

Discriminant and Known-Groups Validity

The PSC-35 exhibits substantial known-groups discriminant validity, consistently differentiating between general community cohorts and clinical psychiatric populations. In studies conducted by Murphy et al. (1992, 1996), children receiving active outpatient psychotherapy, those placed in specialized behavioral education classrooms, or those admitted to child psychiatric inpatient units scored significantly higher (mean scores routinely ranging between 32.5 and 41.2) than normative pediatric community cohorts (mean scores ranging between 11.2 and 15.8; t-test comparisons yielding p < .001). Furthermore, longitudinal validation studies demonstrate that children screening positive on the PSC-35 display significantly elevated rates of subsequent academic failure, juvenile justice contact, and persistent clinical diagnoses at 2- and 5-year follow-up intervals, confirming robust predictive validity.

8. Reliability

The reliability of the PSC-35 has been documented across numerous large-scale clinical trials and epidemiological cohorts, demonstrating high internal consistency, temporal stability, and inter-rater agreement across multiple informant configurations.

Internal Consistency

Internal consistency metrics for the total PSC-35 scale consistently exceed standard psychometric benchmarks for clinical screening instruments. In the nationwide Dutch epidemiological study conducted by Vogels et al. (2009) among primary school children, the overall scale yielded a Cronbach’s alpha coefficient of 0.89. In large-scale North American normative validations published by Murphy, Jellinek, and colleagues (e.g., Murphy et al., 2014) encompassing over 20,000 completed screens across urban, suburban, and rural clinical networks, total scale alpha coefficients routinely range from 0.89 to 0.92. Analysis of the three distinct subscales also indicates solid internal reliability: the Attention subscale typically exhibits an alpha of 0.83 to 0.86; the Internalizing subscale yields alphas between 0.78 and 0.82; and the Externalizing subscale demonstrates alphas between 0.81 and 0.85. Split-half reliability estimates, calculated using Spearman-Brown corrections, parallel these findings with coefficients consistently documented above 0.88.

Test-Retest Stability

Temporal stability assessments have affirmed that the PSC-35 reliably measures sustained psychosocial dysfunction rather than transient situational fluctuations. Jellinek et al. (1988) administered the PSC-35 across a 2- to 4-week retest interval to non-clinical parent cohorts, documenting a test-retest Pearson product-moment correlation of r = 0.86. Subsequent longitudinal evaluations assessing non-referred cohorts over 3-month and 6-month intervals documented stability coefficients of r = 0.81 and r = 0.76, respectively, reflecting stability in behavioral ratings while permitting the detection of meaningful developmental changes or therapeutic improvements following clinical interventions.

Inter-Rater and Informant Agreement

Inter-rater reliability between primary maternal and paternal caregivers exhibits moderate to high concordance, with intraclass correlation coefficients (ICCs) generally falling between 0.72 and 0.80. Concordance between parent-reported PSC-35 scores and the youth self-report variant (Y-PSC, administered to adolescents aged 11 and older) yields cross-informant correlations between r = 0.45 and 0.58. This magnitude is typical in developmental cross-informant research, as adolescents systematically report higher levels of internalizing distress (anxiety, dysphoria, suicidality) while parents report higher levels of overt behavioral and attentional disruptions.

9. Factor Analysis

The latent structural integrity of the PSC-35 has been rigorously investigated using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) across diverse international populations, validating both an overarching general factor and a robust three-factor multidimensional model.

Exploratory Factor Analysis (EFA)

In the original structural evaluations conducted by Jellinek, Murphy, and colleagues, principal component analysis with varimax and promax rotations repeatedly demonstrated that a single large first general factor accounts for the largest proportion of total variance (approximately 28% to 34% across various samples). This finding confirmed that the 35 items load coherently onto an overarching global construct of psychosocial impairment, thereby providing empirical justification for the clinical practice of summing all 35 items into a single composite score.

Subsequent multi-sample factor analyses identified a replicable three-factor solution representing distinct clinical dimensions of childhood psychopathology. These factors correspond to the modern PSC-35 subscales:

• Factor 1: Attention Problems. Encompasses items 4, 7, 8, 9, and 14, with salient factor loadings ranging from 0.58 to 0.79. Items such as “Distracted easily” (0.78) and “Has trouble concentrating” (0.76) load heavily on this component.
• Factor 2: Internalizing Problems. Encompasses items 11, 13, 19, 22, and 27, demonstrating factor loadings between 0.52 and 0.74. Core items include “Feels sad, unhappy” (0.74) and “Feels hopeless” (0.69).
• Factor 3: Externalizing Problems. Encompasses items 16, 29, 31, 32, 33, 34, and 35, exhibiting robust loadings between 0.49 and 0.72. Significant contributors include “Fights with other children” (0.71) and “Does not listen to rules” (0.68).

Confirmatory Factor Analysis (CFA)

Subsequent structural modeling has supported the multidimensionality of the tool. In a rigorous CFA conducted on a diverse pediatric primary care cohort (N = 21,065), Gardner et al. and Murphy et al. evaluated unidimensional, three-factor oblique, and bifactor models. The three-factor oblique model (delineating Attention, Internalizing, and Externalizing domains) demonstrated acceptable goodness-of-fit indices: Root Mean Square Error of Approximation (RMSEA) = 0.046 (90% CI [0.044, 0.048]), Comparative Fit Index (CFI) = 0.942, and Tucker-Lewis Index (TLI) = 0.936.

Bifactor modeling further revealed that while the items reflect substantial general distress variance (supporting the use of the 0–70 total score cutoff), the specific subscales retain sufficient unique, reliable variance (explained common variance [ECV] > 0.60) to justify the clinical interpretation of subscale cutoffs for targeted diagnostic referral (e.g., directing a child specifically to an ADHD clinical pathway vs. a child anxiety/mood clinic).

10. Instrument / Measurement Tool

• Test Type: Parent/guardian-completed screening inventory for pediatric psychosocial, emotional, and behavioral dysfunction.
• Target Population: Children and adolescents aged 4 to 18 years.
• Administration Format: Paper-and-pencil questionnaire, online portal, or digital clinical tablet.
• Administration Time: 3 to 5 minutes.
• Scoring Time: 1 to 2 minutes (hand-scoring or automated electronic medical record integration).
• Total Item Count: 35 items.
• Response Scale: 3-point frequency-based Likert scale:
  • 0 = Never
  • 1 = Sometimes
  • 2 = Often
• Composite Scoring Rules:
  • All 35 items are summed directly to produce an overall total score ranging from 0 to 70.
  • Missing data rule: If 1 to 3 items are omitted, the total score is prorated by calculating the mean of the completed items and multiplying by 35. If 4 or more items are missing, the assessment is considered invalid and cannot be scored.
• Clinical Cutoff Scores (Total Scale):
  • Children aged 6 through 18 years: A total composite score of 28 or higher indicates a positive screen, signifying clinically significant psychosocial dysfunction requiring further evaluation.
  • Preschool children aged 4 and 5 years: A total composite score of 24 or higher indicates a positive screen.
• Subscale Composition & Cutoffs:
  • Attention Subscale: Items 4, 7, 8, 9, 14 (Possible score: 0–10). A score of 7 or higher indicates significant attentional/hyperactive difficulties.
  • Internalizing Subscale: Items 11, 13, 19, 22, 27 (Possible score: 0–10). A score of 5 or higher indicates significant anxiety or mood dysfunction.
  • Externalizing Subscale: Items 16, 29, 31, 32, 33, 34, 35 (Possible score: 0–14). A score of 7 or higher indicates significant conduct or oppositional difficulties.

11. Permissions & Fee and Test Year

The Pediatric Symptom Checklist was initially developed and published in 1988 by Michael S. Jellinek and colleagues at Massachusetts General Hospital (MGH). In deliberate contrast to many commercial proprietary psychological inventories, the developers and Massachusetts General Hospital placed the PSC-35 in the public domain to eliminate economic barriers to universal pediatric behavioral health screening.

Licensing and Fee Structure: The PSC-35 is entirely free of charge for clinical, educational, research, and non-commercial public health utilization. No prior permission, licensing agreements, or user royalties are required to download, print, photocopy, or integrate the instrument into standard paper or non-profit electronic health record (EHR) systems. Commercial software vendors or digital health platforms incorporating the PSC into proprietary fee-for-service products must obtain formal licensing clearance from the Massachusetts General Hospital Psychiatry Department.

The official English instrument, alongside authorized translations in over two dozen languages (including Spanish, Chinese, Haitian Creole, Arabic, Vietnamese, and Japanese), the abbreviated 17-item version (PSC-17), the Youth Self-Report version (Y-PSC), and the Pictorial PSC, can be accessed directly through the Massachusetts General Hospital Pediatric Symptom Checklist Resource Center.

12. References

Cohen, J. (1992). A power primer. Psychological Bulletin, 112(1), 155–159. https://doi.org/10.1037/0033-2909.112.1.155

Gall, G., Pagano, M. E., Desmond, M. S., Perrin, J. M., & Murphy, J. M. (2000). Utility of psychosocial screening at well child visits: A comparison of three measures. Journal of Developmental & Behavioral Pediatrics, 21(3), 213–222. https://doi.org/10.1097/00004703-200006000-00008

Gardner, W., Murphy, J. M., Childs, G., Kelleher, K., Pagano, M., Jellinek, M., McInerny, T., & Wasserman, R. C. (1999). The PSC-17: A brief measure of attentional, emotional, and behavioral problems. Ambulatory Child Health, 5(3), 225–236.

Jellinek, M. S., Murphy, J. M., & Burns, B. J. (1986). Brief psychosocial screening in outpatient pediatric practice. The Journal of Pediatrics, 109(2), 371–378. https://doi.org/10.1016/S0022-3476(86)80404-5

Jellinek, M. S., Murphy, J. M., Robinson, J., Feins, A., Lamb, S., & Fenton, T. (1988). Pediatric symptom checklist: Screening school-age children for psychosocial dysfunction. The Journal of Pediatrics, 112(2), 201–209. https://doi.org/10.1016/S0022-3476(88)80056-8

Jellinek, M. S., Murphy, J. M., Little, M., Pagano, M. E., Comer, D. M., & Kelleher, K. J. (1999). Use of the Pediatric Symptom Checklist to screen for psychosocial problems in pediatric primary care: A national feasibility study. Archives of Pediatrics & Adolescent Medicine, 153(3), 254–260. https://doi.org/10.1001/archpedi.153.3.254

Massachusetts General Hospital. (2017). Pediatric Symptom Checklist. Psychiatry Department Services. https://www.massgeneral.org/psychiatry/treatments-and-services/pediatric-symptom-checklist

Murphy, J. M., & Jellinek, M. S. (1988). Screening for psychosocial dysfunction in children: Alternative to the Process of Elimination. Clinical Pediatrics, 27(1), 16–22. https://doi.org/10.1177/000992288802700103

Murphy, J. M., Reede, J., Jellinek, M. S., & Bishop, S. J. (1992). Screening for psychosocial dysfunction in inner-city children: Further validation of the Pediatric Symptom Checklist. Journal of the American Academy of Child & Adolescent Psychiatry, 31(6), 1105–1111. https://doi.org/10.1097/00004583-199211000-00018

Murphy, J. M., Ichinose, C., Hicks, R. C., Kingdon, D., Crist-Gwyn, E., Little, M., & Jellinek, M. S. (1996). Utility of the Pediatric Symptom Checklist as a psychosocial screener to meet the federal Medicaid requirements for children. The Journal of Pediatrics, 129(6), 864–869. https://doi.org/10.1016/S0022-3476(96)70031-3

Murphy, J. M., Bergmann, P., Chiapa, C., Thatcher, J., Bischoff, N., Gauvey, K. G., & Jellinek, M. S. (2014). The PSC-17: Subscale cuts, an internalizing subscale, and new normative data. Ambulatory Pediatrics, 16(5), 450–456. https://doi.org/10.1016/j.acap.2014.04.004

Pagano, M. E., Murphy, J. M., Pedersen, M., Robinson, J., & Jellinek, M. S. (1996). Screening for psychosocial problems in 4- and 5-year-olds during routine EPSDT examinations: Validity and reliability in a low-income sample. Clinical Pediatrics, 35(3), 139–146. https://doi.org/10.1177/000992289603500305

Stoppelbein, L., Greening, L., Moll, G., & Pullen, J. (2012). Factor analysis of the Pediatric Symptom Checklist in an economically disadvantaged clinical sample. Child Psychiatry & Human Development, 43(4), 541–551. https://doi.org/10.1007/s10578-012-0283-z

Vogels, A. G., Crone, M. R., Hoekstra, F., & Reijneveld, S. A. (2009). Comparing three short questionnaires to detect psychosocial dysfunction among primary school children: A randomized method. BMC Public Health, 9(1), 489–501. https://doi.org/10.1186/1471-2458-9-489

13. Items of the Scale