Conners 4™ is now available on ACER's Psych Testing platform

Conners 4 is the highly anticipated revision of Conners 3rd Edition (Conners 3®), the world’s leading AttentionDeficit/Hyperactivity Disorder (ADHD) assessment.

This newest edition builds on the long history and strengths of the multi-informant Conners Rating Scales and provides a thorough assessment of symptoms and impairments associated with ADHD, as well as common co-occurring problems and disorders, in youth aged 6 to 18 years.

With updated norms, improved workflows, and new and improved features, Conners 4 will be an invaluable part of your ADHD battery.

Download the Conners 4 Info Sheet

Comparing Conners 3 and Conners 4

Now available on the ACER Psych Testing platform

Conners 4 

You have the option to access Conners 4 on the ACER Psych Testing (APT) platform along with a range of other HR and allied health assessments.

The ACER Psych Testing Platform offers:

  • easy to use candidate management capabilities
  • single or bulk candidate upload
  • in-built customer communication features
  • instant candidate reporting capabilities
  • a personalised online store that is always accessible
  • a dedicated support team
  • data is kept on a secure server in Australia

Additional Features


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.


Address clinical concerns with a Severe Conduct and Self-Harm Critical 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.


Evaluate severity of symptoms and level of impairment 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 weaknesses using Within-Profile Comparisons.