Conners 4th Edition (Conners 4™)

Author(s) : C. Keith Conners, PhD

Publisher : MHS, 2022


Starting at $37.50

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Conners 4 On-Demand Training (Online)

SKU : E1229

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Online Conners 4 Form (pkg 5)

SKU : E1224

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Conners 4 is a well-validated and trusted tool that provides a comprehensive evaluation of ADHD and continues to evolve with new research.

Conners 4th Edition (Conners 4™) is the highly anticipated revision of the Conners 3rd Edition (Conners 3®), the world's leading Attention-Deficit/Hyperactivity Disorder (ADHD) assessment.

Conners 4 provides a comprehensive assessment of symptoms and impairments associated with ADHD and common co-occurring problems and disorders in children and youth aged 6 to 18 years. The Conners 4 is an inclusive and fair measure that builds on the long history and strengths of the multi-informant Conners Rating Scales. Conners 4 will be an invaluable part of your ADHD assessment battery with updated norms, improved workflows, and new and improved features.

Your purchased online forms can be used for any of the Conners 4 forms (Conners 4, Conners 4-Short, Conners 4-ADHD Index).


  • Improved usability with customisable reports and a digital manual
  • Improve efficiency with a fully digital assessment, online scoring and reporting, easy inventory management and printable forms


  • Evaluate severity of syptoms and level of impariment due to symptoms by comparing the youth's results to an ADHD Reference Sample (others already diagnosed with ADHD)


  • Facilitate collaboration with parents using the enhanced Feedback Handout (easy-to-understand explanation and summary of results)


  • Increased fairness and inclusivity with gender-neutral language, culturally sensitive items, and items and scales that show no evidence of measurement bias regarding gender, race/ethnicity, country of residence, or parental education level


  • Evaluate an individual's relative strengths and weaknessess using Within-Profile Comparisons


  • Address clinical concerns with a Severe Conduct and Self-Harm Critial Items and a Sleeps Problem Indicator
  • Measure impairments related to ADHD symptoms in the school, social, and family domains
  • Evaluate new content areas and common co-occuring problems such as Emotional Dysregulation, Depressed Mood and Anxious Thoughts
  • Apply a dimensional approach to ADHD assessment with an additional DSM-5 Symptoms Scale - Total ADHD Symptoms

Your purchased online forms can be used for any of the Conners 4 forms (Conners 4, Conners 4-Short, Conners 4-ADHD Index):

Conners 4

This form is the most comprehensive and is recommended for use in initial evaluations and full re-evaluations.​ This form includes all Conners 4 items and scales. ​

  • Parent and Teacher (6–18 years): Conners 4 Parent: Full Length, 117 items; Conners 4 Teacher: Full Length, 109 items.
  • Self-Report (8–18 years): Conners 4 Self-Report: Full Length, 118 items.

Conners 4–Short

This form is useful when a rater has limited time, or when the rater will be asked to complete the Conners 4 repeatedly (e.g., monthly assessment of treatment response).​ This form takes less time to complete than the full-length form but is not as comprehensive because it has fewer scales and fewer items per scale (for both Content and Impairment & ​Functional Outcome scales).​

  • Parent and Teacher (6–18 years): Conners 4 Parent: Short, 53 items; Conners 4 Teacher: Short, 49 items.
  • Self-Report (8–18 years): Conners 4 Self-Report: Short, 51 items.

Conners 4–ADHD Index

This index can be used as a screener to determine which youth are most likely to require a more comprehensive evaluation.​ The Conners 4–ADHD Index contains 12 items from the full-length form that best differentiate youth diagnosed with ADHD from youth in the general population. ​

  • Conners 4 ADHD Index Parent, Teacher: 12
  • Conners 4 ADHD Index Self-Report: 12

All Conners 4 Forms provide a Single Rater Report. The Single Rater Report provides detailed information about scores from a single administration, presented numerically, graphically, and within an interpretive summary. A youth’s scores are compared to those in one or more Normative Samples, and optionally, to an ADHD Reference Sample. Also includes a Within-Profile Comparison of the youth’s results to their own average score. Elevations at both the scale and item level are included. Key results are provided in a one-page overview.

All Conners 4 users receive access to a free, digital version of the Conners 4 Manual.

Onboarding resources for existing Conners 3 online users (MAC+)

An efficient process will be made available to online product users of the Conners 3rd Edition (Conners 3®) to help your transition to the Conners 4th Edition (Conners 4™). This simple self-serve option will be implemented through the MHS Online Assessment Center+.

On the day of Conners 4 release, all MHS Online Assessment Center+ (MAC+) Admin account users who have Conners 3 Online uses will have immediate access to Conners 4 within their account.

  • Any unused form specific to Conners 3 Online uses can be substituted for Conners 4 uses. Uses will be substituted on a one-for-one basis.
  • The transition process will launch when Conners 4 is released and will be available for 12 months from the release date
  • Admin users must enable Conners 4 through Account Settings/Manage My Assessments. Admin users can also grant their Sub-users access to Conners 4 by enabling access for Sub-users.
  • Admin and Sub-users can administer Conners 4 to clients even when their Conners 4 use balance is zero (as per above)
  • Admin and Sub-users who want to generate a Conners 4 report when their Conners 4 use balance is zero can do so by selecting an available Conners 3 use. Admin and Sub-users can specify which Conners 3 use to substitute during the report generation.
  • Please note: During the transition, if Conners 4 uses are purchased and added to the account, the Conners 4 uses will be used first to generate reports, before the substitution option is available again
C. Keith Conners, PhD

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