GDO-R Workshop Pricing

The Gesell Developmental Observation-Revised (GDO-R) assessment system uses direct observation to evaluate a child’s cognitive, language, motor and social-emotional responses in five strands (components): Developmental, Letter/Number, Language/Comprehension, Visual/Spatial and Social/Emotional/Adaptive.

The in-depth training is offered at sites across the nation for new and experienced users alike.

Choose from a variety of workshops and recertification courses available:

Individual Participants

    • GDO-R for 2 ½-6 Year Olds $549.00 (3-days)
    • GDO-R for 6-9 Year Olds $249.00 (webinar only; Prior completion of 2 ½-6 Year Olds required)
    • GDO-R for 2 ½-9 Year Olds $719.00 (3-days + webinar package)
    • Gesell Foundations of Child Development Introduction $99.00 (In depth professional development opportunity. Attend the first day only of GDO-R for 2 ½-6 Year Olds and review the foundations of child development and learn the fundamentals of Gesell’s developmental approach)

Certificates of completion are provided for participants who attend all three days of the workshop. 


Private GDO-R Group Workshops

Schools and early childhood education centers are welcome to schedule a private group training for their staff only. This can serve as a team building PD experience or because it is more cost efficient for a large group or because our currently scheduled dates do not match your needs. We are available to schedule a private GDO-R training for you, at your site.

The Private GDO-R Group Rate:

  • $4,490 plus travel fees of the trainer, for the first 10 participants;
  • and an additional $395 for each additional participant over 10.

To schedule a Private GDO-R training for your group, please contact us.

 Certificates of completion are provided for participants who attend all three days of the workshop. 


Recertification Workshops – required every 5 years to maintain certification:

  • GDO-R Recertification Course for 2 ½-6 Year Olds $449.00 (3-days)
  • GDO-R Recertification Course for 2 ½-6 Year Olds $249 (Webinar)
  • GDO-R Recertification Course for 6-9 Year Olds $249.00 (Webinar Only)

In order to be eligible for Recertification, you must have completed a previous GDO-R training within the last 5 years. Due to evolving research and responsive adjustments to our workshop, individuals trained more than 5 years prior to the date of their recertification must register as a beginner participant, and are not eligible for recertification discounts or programs.

Certificates of completion are provided for participants who complete the full re-certification training requirements.