Conners 3rd Edition™ (Conners 3®)

Conners 3rd Edition™ (Conners 3®)

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Author: C. Keith Conners, (Ph.D.)

Purpose To assess for ADHD and comorbid disorders in children and adolescents
Administer To Individuals 6 to 18 years (Parent and Teacher Forms); Individuals 8 to 18 years (Self-Report)
Reading/Educational Level Parent/Teacher Forms (Grade 4-5)
Self-Report (Grade 3)
Administration Time Full-length:

  • Parent (110 items) 20 minutes
  • Teacher (115 items) 20 minutes
  • Self-Report (99 items) 20 minutes

Short Forms:

  • Parent (45 items) 10 minutes
  • Teacher (41 items) 10 minutes
  • Self-Report (41 items) 10 minutes
Scoring Options User Portal/Hand-scored/Software Scored
Publication Date 2008; DSM-5 update 2015
HPCSA To be submitted
Training None
Languages English
SA Norms No

The Conners 3 is the product of 40 years of research on childhood and adolescent psychopathology. The Conners 3 is a thorough and focused assessment of Attention-Deficit/Hyperactivity Disorder (ADHD) and its most common comorbid disorders in children and adolescents. The Conners 3 is a revision of the Conners Rating Scales–Revised (1997), and integrates the same key elements as its predecessor with a number of new features, including Validity scales, Screener items, Critical items, Impairment items, an assessment of Executive Functioning, and strengthened linkage to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5).

The Conners 3 is a multi-informant assessment of children and adolescents between 6 and 18 years
of age that takes into account home, social, and school settings.

ADHD is often associated with one or more comorbid disorders, associated features, and functional
impairments. Scales that relate directly to the DSM-5 diagnostic criteria are included for ADHD, as
well as for the most commonly co-occurring disorders in the Disruptive, Impulsive-Control, and
Conduct Disorder (CD), and Oppositional Defiant Disorder (ODD). The Conners 3 also features Severe
Conduct Critical items, as well as Screener items for Anxiety and Depression, two internalising
problem areas frequently associated with ADHD.

Assessment Scales

The Conners 3 contains the following two sets of scales:
1. Content scales include the following:

Learning Problems
Executive Functioning
Peer/Family Relations

2. The Symptom Scales are DSM-5 aligned and include the following:

ADHD Inattentive
ADHD Hyperactive-Impulsive
Conduct Disorder
Oppositional Defiant Disorder

In addition, the Conners 3 also includes two auxiliary scales:

Conners 3 ADHD Index (Conners 3AI™)

A 10-item ADHD index which can be used to screen large groups of children or adolescents, monitor the effectiveness of treatment plans and measure a child’s response to intervention. This index is included in the full-length version of the assessment and can also be purchased separately.

Conners 3 Global Index (Conners 3GI™)

A fast and efficient measure of general psychopathology and a helpful tool in monitoring treatment and intervention. This index is included in the full-length version (for parent and teacher forms) of the assessment and can also be purchased separately.

Areas Of Application

The Conners 3 is utilised in the following contexts:

The Conners 3 is invaluable when making decisions about clinical diagnoses and educational eligibility, during intervention planning and monitoring, in research contexts, and for screening purposes.

Webinar: Using the Conners 3 for the evaluation of ADHD

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Additional information

JvR Online


Online Availability


Psychology Category


HPCSA Status




The Conners 3 has the following software reports available:

  • Assessment Reports: These reports are comprehensive and present scores for each scale numerically and graphically. The Conners 3 full-length form results are reported in relation to the DSM-IV-TR diagnostic criteria. The report includes a detailed description of each scale.
  • Progress Reports: These reports compare the results of two to four administrations for the same individual to measure changes over time. The reports are ideal to use when monitoring treatment and intervention.
  • Comparative Reports: These reports combine the results of different raters to provide an overview of an individual's scores from a multi-rater perspective. This highlights potentially important inter-rater differences in scores.

©Multi-Health Systems Inc. All Rights Reserved

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Terms & Conditions

Please Note:

  • Additional fees will be applicable when requesting Client Services to assist with administration (only applicable where user portals are available and a client chooses not to make use of this facility)
  • Material / Reports only available to suitably qualified users
  • Prices as quoted may change without prior notice
  • Errors and omissions excepted
  • Courier costs are not included in the above quoted prices
    JvR may have to order some of the above items. In such instances delivery times will be extended

©Multi-Health Systems Inc. All Rights Reserved

DR. C. Keith Conners - Passes away. Read more

South African Research

JvR Psychometrics is actively looking for opportunities to partner with clients in conducting research studies to validate the Conners 3 for South Africa.

©Multi-Health Systems Inc. All Rights Reserved