The Youth Pediatric Symptom Checklist (Y-PSC) is the self-report version of the Pediatric Symptom Checklist, a 35-item screen for cognitive, emotional and behavioural problems completed by the young person themselves from age 11 upwards. Each item is rated Never (0), Sometimes (1) or Often (2), giving a total from 0 to 70. The items span the three broad domains the PSC family screens for - internalising problems such as sadness and hopelessness, externalising problems such as fighting and rule-breaking, and attention problems such as distractibility and restlessness.
The Y-PSC measures overall psychosocial impairment rather than any single disorder. A positive screen says "this adolescent's day-to-day functioning warrants a closer look", not "this adolescent has condition X". Its particular value is perspective: it captures the adolescent's own account in settings where a parent is not present - school health services, adolescent primary care, intake questionnaires - and adolescents sometimes disclose internalising symptoms a parent has not observed.
02 - Origin & purpose
Where it comes from.
The parent-report Pediatric Symptom Checklist was developed by Michael Jellinek, J. Michael Murphy and colleagues at Massachusetts General Hospital and published in 1988 as a brief way for paediatricians to screen school-age children for psychosocial dysfunction during routine visits. The youth self-report followed so that adolescents could answer for themselves; Pagano and colleagues validated it in 2000 in a public-school sample (grades 3-8), showing that children's self-reports agreed well with teacher- and parent-rated dysfunction.
The PSC family is distributed free of charge by Massachusetts General Hospital and is included in the American Academy of Pediatrics' Bright Futures toolkit. The intended workflow is two-stage: a positive Y-PSC prompts a fuller evaluation by a qualified clinician; the questionnaire itself carries no diagnostic weight and requires no training to administer.
03 - Scoring & cutoffs
How scoring works.
All 35 items are summed (Never 0, Sometimes 1, Often 2) to a total of 0-70. For ages 11 and over a total of 30 or higher is a positive screen. Blank items score 0, and the questionnaire is invalid if four or more items are left blank. MGH scoring guidance also defines three subscales with their own cutoffs: internalising (5 items, positive at 5 or more), attention (5 items, positive at 7 or more) and externalising (7 items, positive at 7 or more) - useful for pointing the follow-up evaluation in the right direction. A positive screen indicates the need for further evaluation, not a diagnosis.
Score
Severity
Interpretation
0–29
Below cutoff
Screen negative; no further action indicated on this screen alone.
30–70
Positive screen
Psychosocial impairment is likely and further evaluation by a qualified clinician is recommended (cutoff 30 or higher; Pagano et al. 2000: sensitivity 94%, specificity 88% against teacher-reported impairment).
Blank items score 0; if four or more items are left blank the questionnaire is invalid. A positive screen indicates the need for further evaluation, not a diagnosis.
04 - Validation evidence
How well it performs.
The key self-report validation is Pagano et al. (2000), which administered the checklist in a public elementary school and compared results against teacher ratings of attention and behaviour problems and parent-completed measures. Youth self-reports correlated significantly with teacher- and parent-rated dysfunction and with child-reported depression and anxiety symptoms. The PSC family more broadly has been validated in over 200 studies across paediatric and community populations.
94%
SENSITIVITY (TEACHER-RATED)
88%
SPECIFICITY (TEACHER-RATED)
0.87
CRONBACH'S α
0.86
TEST–RETEST, 1 WK (PARENT PSC)
05 - How it compares
How it compares to the alternatives.
Instrument
Items
Time
When to reach for it
Y-PSC
35
~5–10 min
Youth self-report, ages 11 and over. Broad psychosocial screen; free to use.
Parent, teacher and self versions. Reach for it when you need a strengths-and-difficulties profile across informants; note it is copyright-restricted rather than freely reproducible.
Self-report. Reach for it when the question is specifically anxiety and depression severity by DSM-oriented subscale, rather than broad psychosocial risk.
06 - When to use it
Right tool, wrong tool.
Reach for it when
-Adolescents aged 11 and over who can self-report.
-School-based or primary-care mental-health screening.
-Intake packs where a parent is not present.
-A free, no-training instrument for routine surveillance.
-Capturing the adolescent's own perspective alongside a parent PSC-35.
Reach for something else when
-Children under 11 - use the parent PSC-35 or PSC-17.
-Diagnosis or severity grading of a specific disorder - use a disorder-specific measure such as the RCADS.
-Suicide-risk assessment - use a dedicated screen such as the ASQ.
-Measuring week-to-week treatment response, which the PSC family was not designed for.
-Situations where the adolescent cannot read English at roughly a 3rd to 5th-grade level.
07 - Confidence & precision
Reading the score with care.
No standard error of measurement or minimal clinically important difference has been established for the Y-PSC; it is a screening instrument, and its precision claims stop at the cutoff. Treat totals within a few points of 30 as a grey zone: corroborate with a parent PSC-35 or teacher input, and re-screen rather than over-interpret single administrations. The modest four-month retest correlation (r 0.45) is a reminder that adolescent psychosocial risk is state-like - a score is a snapshot, not a trait.
08 - Limitations
What it cannot tell you.
- A positive screen is not a diagnosis, and roughly one in ten positives will be false positives even at the published operating characteristics.
- The pivotal self-report validation used teacher ratings, not structured diagnostic interviews, as the criterion.
- The cutoff of 30 was derived in US school samples; validation studies in other countries and languages have sometimes required adjusted cutoffs, so local norms matter.
- Subscale cutoffs were developed on the parent-report PSC and carried over to the youth version.
- Self-report at ages 11-13 depends on reading level and insight; blank-item handling (zero-scoring) can understate risk in reluctant responders.
- The scale does not ask about suicidal ideation directly and must not be used as a suicide screen.
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