NovoPsych logo
NovoPsych logo

Alternatives to the Conners for Child ADHD Assessment: SNAP-IV, SWAN, and Vanderbilt

If you are searching for an ADHD rating-scale alternative to the Conners, you are probably looking for a comprehensive tool with similar measurement coverage and convincing evidence for the accurate, standardised assessment of ADHD symptoms and presentations, associated emotional and behavioural problems, and their impact on social, academic and family functioning; using a multi-informant approach so you can gather the “big picture” to guide diagnosis.

The gold standard for diagnosing ADHD is not any single questionnaire. It is a clinician-administered diagnostic interview supported by multi-informant, multi-method rating scales, developmental history and, where indicated, neuropsychological testing (Hall et al., 2016; Musullulu, 2025). The diagnostic requirements make multi-informant assessment the rule rather than the exception: children behave differently with teachers, peers and at home, and vary developmentally in their insight into their own behaviour. Agreement across single reporters is often inconsistent; parents tend to be better reporters than teachers (AUC ≈ 0.85 vs ≈ 0.74), and combining all informants performs best of all (AUC ≈ 0.86; Knyazhansky & Shrot, 2025).

Moreover, when scoring and interpreting these measures, clinicians want clear guidance for identifying ADHD and differentiating it from other common behavioural problems. This often includes severity modifiers, diagnostic cut-off scores, and normed scoring that compares a child’s result to relevant groups (peers of the same age and gender, and children with ADHD) to increase confidence in their diagnosis and reduce bias or misinterpretation.

NovoPsych's Freely Available Assessments

These three recommended measures provide broad coverage of ADHD symptoms, diagnostic criteria, common co-occurring social, behavioral, and emotional problems, and impact to the youth’s environments across school, home, and social settings. They support initial screening, assessment, and ongoing monitoring of symptoms, treatment progress, and response — supporting measurement-based care in children aged 5–12. Measures are relatively brief (a few minutes to 15 minutes), include multiple informant versions, and provide scoring and interpretation for guiding diagnoses. Click each measure below to expand its full description.

Swanson et al., 2012

Measurement use: A brief, 18-item, parent- and/or teacher-rated screen for ADHD DSM presentations in children ages 5–11. Can screen, assess, guide further diagnostic evaluation, monitor ADHD symptoms over time, and track treatment response and outcomes.

What it Measures: Items directly correspond with DSM symptom criteria for ADHD for combined, Inattention and Hyperactivity presentations. Scores classified by severity (mild to severe) based on well-established bands and suggested diagnostic cutoffs.

Strengths:

  • Brief administration time; maps 1:1 with DSM ADHD criteria
  • Best in class for treatment monitoring and longitudinal symptom tracking
  • Primary outcome measure in the landmark MTA trial (n = 579) — the largest and longest trial evaluating behaviour therapy and medication management for ADHD — and referred to as the “cornerstone” for primary care ADHD screening (Knyazhansky & Shrot, 2025)
  • Highest sensitivity (0.83) and specificity (0.97) in a review of ADHD assessments (Mulraney et al., 2022)

Limitations:

  • Measures ADHD only — no screening for co-occurring mood or behavioral disorders, or DSM functional impairment. The longer 26-item version does include additional questions assessing ODD symptoms only
  • No child self-report version; relies on adult informant observations; assessment limited to age 11
  • Cutoff scores have limited validation and supporting evidence

View the SNAP-IV on NovoPsych →

Swanson et al., 2015

Measurement Use: An 18-item, parent, caregiver, and/or teacher rated, dimensional, strength-based assessment of ADHD DSM presentations in both clinical and non-clinical samples. Can screen and assess ADHD symptoms in terms of strengths and deficits compared to typical peers, guide further evaluation and treatment recommendations, and track functioning aspects of ADHD and overall behaviour regulation and attention skills.

What it Measures: Items correspond to DSM symptom criteria for ADHD for combined, Inattention and Hyperactivity presentations, where symptoms are rated relative to an “average” or typical peer behaviour as an anchor. Scores can be compared to research cutoffs for those with and without ADHD (Burton et al., 2019; Alhaji, 2022).

Strengths:

  • Dimensional measurement reduces measurement and cultural bias — symptoms framed on a continuum of low to high for common youth attention and behaviours, taking a strengths-based rather than problem-focused approach

Limitations:

  • The question scale can be confusing without a good frame of reference for average peers’ behaviour
  • No additional assessment of co-occurring symptoms, disorders, or functional impairments across other domains (school, family, home)

View the SWAN on NovoPsych →

Wolraich et al., 2003

Measurement use: A 43–55 item (teacher, parent) initial broad screen and assessment for DSM ADHD presentations and common co-occurring behavioral and emotional disorders in children aged 5–12. Assesses impairments to functioning in school, home, and with family for academic and social performance. The parent report screens for both ODD and conduct disorder symptoms; the teacher version includes ODD only, and learning disabilities are assessed in the teacher report.

What it Measures: Items correspond to symptom counts based on ratings exceeding a threshold for DSM-5 diagnostic criteria for ADHD (combined, inattentive, and hyperactive/impulsive), as well as ODD, conduct disorder, and anxiety/depressive disorders. Performance items support DSM diagnosis by assessing functional impairment. Well-established cutoffs for symptom counts and functional impairment help determine ADHD diagnoses and other co-occurring disorders, including learning disabilities (in the teacher report).

Strengths:

  • Designed specifically to better align with DSM ADHD criteria compared to other behavior scales (Wolraich et al., 2003)
  • Solid, accurate interpretation of scores and diagnoses — good agreement with gold-standard structured diagnostic interviews for ADHD for both parent and teacher reports
  • Covers a wide range of co-occurring disorders and performance problems across multiple domains and settings for a complete picture of the youth

Limitations:

  • Co-occurring disorder screens are brief and limited in DSM criteria coverage, with no well-supported validity data on diagnostic accuracy
  • Parent and teacher reports differ regarding specific symptoms and disorders assessed — reducing direct cross-comparisons for ODD and conduct disorder and potentially affecting reliability when differentiating diagnoses

View the VADPRS (Parent) on NovoPsych →
View the VADTRS (Teacher) on NovoPsych →

Commercial Assessments

The Conners suite includes: Conners-4, the Conners Comprehensive Behavior Rating Scale (CBRS), and an Early Childhood Form.

Measurement Use: Developed by Multihealth Systems (MHS) and distributed by Pearson, these are the most widely used commercial, licensed ADHD rating scales for ages 6–18 (Purpura & Lonigan, 2009; Kemper et al., 2018). They provide a broad assessment of behavioural, emotional, and cognitive areas associated with DSM ADHD presentations, co-occurring behavioural disorders, and common related mood, risk, and functioning problems. Self, parent/caregiver, and teacher forms are available.

What it Measures: Items capture ADHD symptom presentations (combined, inattention, hyperactivity/impulsivity), ODD, conduct disorder, anxiety, depression, self-harm, sleep, learning and executive functioning. Profiles use normative T-scores so a child’s scores can be compared to multiple groups of interest (typical peers of the same age and gender, and children with ADHD). Up to five informants can be combined, and response-validity indices flag inconsistent or exaggerated responding.

Strengths:

  • Comprehensive, multi-informant coverage of ADHD plus associated behavioural, emotional and learning domains
  • T-score norm scoring with multiple comparative populations (general, ADHD, gender, age)
  • Reduced bias and misinterpretation when using age- and gender-matched norms
  • Multi-rater report combining up to five informants
  • Age range up to 18 covers adolescents
  • Brief/short forms available for ongoing symptom monitoring and tracking

Limitations:

  • Administration, report generation, and online software can be quite costly — typically a fee for each administration and report generated, often making single reports the most popular option. Single rating reports are subject to bias and show low agreement across reporters, reducing accuracy in determining diagnoses
  • Licensing through Pearson Q-Global often bundles fees for scoring, administration, and other measures

Measurement use: A 105–192 item broadband battery spanning preschool to college age (2–21) using multiple versions and informants (parent, teacher, self) for common externalising, internalising, behavioural and emotional problems across youth disorders. It is a full behaviour assessment system rather than a single diagnostic scale, best suited for understanding overall behavioural and emotional functioning.

What it Measures: Scale scores generate probabilities and profiles for the DSM ADHD presentations as well as conduct, mood and anxiety problems and social, communication and daily-living impairments. Like the Conners, the scales use normative T-scores for comparison across groups; clinician interview questions, developmental history, school observations and response-validity indices are integrated to support interpretation.

Strengths:

  • Very broad developmental and behavioural coverage across many informants and tools, including mania, OCD, autism and learning disorders
  • Wide age range from preschool into young adulthood, with flexible form versions supporting standardised longitudinal monitoring
  • Popular in school settings and widely used for informing Individualized Education Plans (IEPs) and learning disability evaluations
  • Integrates clinician interview, developmental history, and school observations to support accurate interpretation

Limitations:

  • Independent research found scores may largely reflect one general “behaviour problems” factor, so individual scales may add little problem-specific information — limiting confidence in disorder-related interpretations and reducing ADHD-specific accuracy, particularly for the teacher report (Canivez, von der Embse & McGill, 2021; Splett et al., 2026; Zhou et al., 2020)
  • Length, administrative burden and per-report cost make it less feasible for ADHD-only referrals
  • A new BASC-4 edition has been released with updated norms and new scales (e.g. traumatic brain injury, PTSD), but there is limited independent information on how these new scales perform

The Shared Limitation of Every Rating Scale

Best practice is a comprehensive assessment using multi-informed ratings. The most comprehensive synthesis to date — a systematic review and meta-analysis of 75 studies covering 41 instruments — found that no single scale simultaneously reached sensitivity ≥ 0.80 and specificity ≥ 0.80 (Mulraney et al., 2022).

This is where single-informant results (for example, a single Conners profile) can mislead. Cross-informant agreement on child behaviour scales averages only around r = .28 (Achenbach, McConaughy & Howell, 1987). A multi-informant, multi-assessment approach is best practice to reduce biases, blind spots, and misdiagnoses, and to understand clinically meaningful information about how a child functions in different contexts (De Los Reyes & Kazdin, 2005; Eng et al., 2024). Choosing the right set of assessments should be driven by what most accurately and reliably answers the clinical referral question.

A tool that makes it easy and affordable to collect parent and teacher data therefore has a structural advantage over one that charges per report.

How NovoPsych Delivers the Same Assessment Capability

NovoPsych hosts the complete set of assessments discussed here — and more, with over 150 assessments — with the same digital workflow clinicians expect from a paid platform, for free. Providers have multiple options to choose from that best fit their clinical needs:

  • Free PDFs of measures for download with digital administration and score reports
  • Normative and clinical reference scoring for accurate comparison in assessment reports
  • Multi-informant coverage: specific reporter versions (teacher, parent) and the option to digitally send to multiple informants. VADPRS + VADTRS + SNAP-IV give a similar informant base as the Conners 4 for ages 5–12 (with the exception of youth self-report)
  • Faithful digital translations of all pen/paper forms — evidence-based with original content
  • Customisable assessment batteries that clinicians can create for tailored comprehensive assessment based on client needs or referral question
  • Symptom monitoring and tracking: multiple administrations tracked over time with flagged score changes and auto-generated interpretive text in score reports
  • Digital administration and auto-reporting: link-based delivery, automated scoring and full interpretive report — the same workflow as MHS MAC+
  • Example assessment templates for ADHD clinical interviews, note documentation and many more assessments
  • Free*: no per-report fee, no licence, no institutional account required

*For practice organisations or individual users who are regular users and would benefit from AI scribe services and additional customisation, a free trial and tiered purchase plan is available. Paid-plan benefits include high-usage access to NovoNote and Just Ask NovoNote, which can generate tailored reports — including comparative multi-informant summaries, graphed outcomes and symptom monitoring — that drop straight into clinical interviews and notes, and graph outcomes over time.

Explore the NovoNote template library and see an example ADHD clinical interview template. Learn more about NovoNote and the Just Ask NovoNote ambient scribe for transforming your assessments, scoring and live clinical interviews into complete reports.

How NovoPsych Compares to the Conners 4 and BASC-4

Capability and platform comparison across clinical capability, norms and interpretation, and administration for ADHD assessment.

Key: ✓ Present / full capability  •  ~ Yes, with limitations  •  ✗ Absent

CapabilityNovoPsych (free battery)Conners 4 (MHS MAC+)BASC-4 (Pearson Q-global)
Clinical capability
Multi-informant (parent, teacher, caregiver)✓✓✓
Youth self-report form✗✓ (8+)✓
DSM-5 symptom alignment✓✓~ must be configured in scoring output
Subtype / presentation identification✓✓✗
Functional impairment documented✓✓✓
Co-occurring screen (ODD / CD / anx / dep)✓✓✓
Response-validity indices✗✓✓
Age range (normed)5–12 a6–182–25
Norms & interpretation
Normative reference sample 1✓✓✓
Clinical (ADHD) reference sample 2✓✓✓
Symptom monitoring / change tracking 3✓ b✓~ offers alternative flex assessments
Platform & administration
Digital administration✓✓✓
Automated digital scoring 4✓✓✓
Interpretive clinical report 5✓✓✓
Item-level response display✓✓✓
Multi-rater combined PDF report~ c✓ (≤5)✓
Clinical documentation integration 6✓ (+NovoNote)✓✓
Licence requiredNoneCommercialCommercial
Cost per reportFree dPaidPaid

Table notes

1. Normative reference sample — a representative general-population group of the same age (and gender) used to express a child’s score as a percentile or T-score relative to typical peers (NovoPsych Vanderbilt norms: 1,570 caregivers, ~8,000 children, Wolraich et al., 2003; Anderson et al., 2022; NovoPsych SWAN norms > 800 caregivers).

2. Clinical (ADHD) reference sample — a comparison group of children already diagnosed with ADHD, so a score can also be read against a known clinical population (NovoPsych Vanderbilt: > 3,000 children; SWAN > 10,000 parents, Burton et al., 2019).

3. Symptom monitoring / change tracking — repeat administrations plotted over time against a minimal important difference (MID) threshold; NovoPsych flags change at 0.5 SD (Norman et al., 2003) as significant, slight or none.

4. Automated digital scoring — the platform calculates subscale and total scores, applies the norms and flags cut-offs automatically, with no hand-scoring.

5. Interpretive clinical report — an auto-generated PDF with narrative interpretation, profiles graphed against the norms, and item-level responses.

6. Clinical documentation integration — results can be pasted into clinical notes, letters and reports; on NovoPsych via NovoNote templates such as the ADHD/Autism Diagnostic Report and the ADHD Clinical Interview.

a. NovoPsych age range — the Vanderbilt comorbidity norms cover ages 5–12; SNAP-IV and SWAN extend to ages 5–17/18 for ADHD symptoms, but without comorbidity coverage.

b. Symptom monitoring (NovoPsych) — not all assessments are intended for longitudinal tracking.

c. Just Ask NovoNote — uses AI to integrate multiple score reports into a single clinical assessment note or document, customised by the clinician’s directives, producing the combined multi-rater output.

d. Cost (NovoPsych) — no per-report fee and no licence; a free trial and tiered plans are available for high-usage AI scribe features.

Create a Free NovoPsych Account

References

Achenbach, T. M., McConaughy, S. H., & Howell, C. T. (1987). Child/adolescent behavioral and emotional problems: Implications of cross-informant correlations for situational specificity. Psychological Bulletin, 101(2), 213–232.

Alhajji, L., et al. (2025). Diagnostic accuracy of the SWAN rating scale in childhood ADHD.

American Educational Research Association, American Psychological Association, & National Council on Measurement in Education. (2014). Standards for educational and psychological testing. American Educational Research Association.

Anderson, N., et al. (2022). Normative data for the Vanderbilt ADHD Diagnostic Rating Scales (n = 1,570).

Baker, J., et al. (2026). SNAP-IV percentile rankings for children and adolescents.

Bussing, R., et al. (2008). Parent and teacher SNAP-IV ratings of attention deficit/hyperactivity disorder symptoms. Assessment, 15(3), 317–328.

Canivez, G. L., von der Embse, N. P., & McGill, R. J. (2021). Construct validity of the BASC-3 Teacher Rating Scales. School Psychology, 36(4).

Cai, Q., Georgeson, A. R., Basha, S., Lee, S. K., Xu, B., & Gewirtz, A. H. (2025). A trifactor model approach to understand school-aged children’s psychosocial adjustment: Integrating father, mother, and teacher perspectives. Child Psychiatry & Human Development, 1–13.

De Los Reyes, A., & Kazdin, A. E. (2005). Informant discrepancies in the assessment of childhood psychopathology. Psychological Bulletin, 131(4), 483–509.

Eng, A. G., et al. (2024). Evidence-based assessment for attention-deficit/hyperactivity disorder. Assessment, 31(1), 42–52.

Faraone, S. V., et al. (2021). The World Federation of ADHD international consensus statement. Neuroscience & Biobehavioral Reviews, 128, 789–818.

Hall, C. L., et al. (2016). The clinical utility of the continuous performance test and objective measures of activity for diagnosing and monitoring ADHD in children: A systematic review. European Child & Adolescent Psychiatry, 25, 677–699.

Kemper, A. R., et al. (2018). Attention deficit hyperactivity disorder: Diagnosis and treatment in children and adolescents. AHRQ Comparative Effectiveness Review.

Knyazhansky, M., & Shrot, S. (2025). ADHD diagnostic tools and the multi-informant AUC hierarchy.

Manno, N. (2022). Convergent validity of direct and indirect measures of externalizing behavior symptoms on academic achievement (Doctoral dissertation, Rutgers, The State University of New Jersey).

MHS. (2008). Conners comprehensive behavior rating scales (CBRS) technical manual. Multi-Health Systems.

MHS. (2022). Conners 4 technical manual. Multi-Health Systems.

Mulraney, M., et al. (2022). Systematic review and meta-analysis of the diagnostic accuracy of rating scales for ADHD in children and adolescents. Journal of the American Academy of Child & Adolescent Psychiatry, 61(8).

Musullulu, H. (2025). Evaluating attention deficit hyperactivity disorder assessment methods: A review. Frontiers in Psychology.

Purpura, D. J., & Lonigan, C. J. (2009). Conners’ Teacher Rating Scale for preschool children: A revised, brief, age-specific measure. Journal of Clinical Child & Adolescent Psychology, 38(2), 263–272.

Reynolds, C. R., & Kamphaus, R. W. (2015). Behavior Assessment System for Children, Third Edition (BASC-3). Pearson.

Swanson, J. M. (1992). School-based assessments and interventions for ADD students. K.C. Publishing.

Swanson, J. M., et al. (2001). Clinical relevance of the primary findings of the MTA. Journal of the American Academy of Child & Adolescent Psychiatry, 40(2), 168–179.

Swanson, J. M., et al. (2012). Categorical and dimensional definitions and evaluations of symptoms of ADHD: The SNAP and SWAN rating scales. International Journal of Educational and Psychological Assessment, 10(1).

Weiss, M. D., & Stein, M. A. (2022). ADHD rating scales in clinical practice.

Wolraich, M. L., et al. (2003). Psychometric properties of the Vanderbilt ADHD Diagnostic Parent Rating Scale. Journal of Pediatric Psychology, 28(8), 559–568.

Zhou, X., Reynolds, C., Zhu, J., & Kamphaus, R. W. (2020). Differentiating autism from ADHD in children and adolescents using BASC-3. Journal of Pediatric Neuropsychology, 6(2), 61–65.