GDO-R Examiner Levels
Below we outline the journey of a GDO-R Examiner, from the foundational trained examiner to the National Lecture Staff designation. At each level, a different set of skills is expected opening up a new set of opportunities for using and teaching others to use the GDO-R.
GDO-R Examiner Level 1
2.5-6-Year Old Examiner Level 1 Examiners have trained in basic administration and analysis of results of the GDO-R assessment, but Gesell has not assessed their aptitude and strongly recommends that they complete Level 2 before being hired to deliver assessments to children. ● At least 20 2.5 - 6-year-old practice assessments have been completed ● Up to date with renewal requirements ● Satisfactory completion of the GDO-R 2.5-6 Examiner criteria ● Satisfactory completion of a GDO-R 6-9 Administration and Results online training ● At least 20 6-9-year-old practice assessments have been completed ● Up to date with renewal requirements
● Satisfactory completion of a Gesell Developmental Observation-Revised 2.5 - 6 Administration and Results Workshop
6-9-Year-Old Examiner (optional)
GDO-R Examiner Level 2
Experienced GDO-R Examiner ● Satisfactory completion of the GDO-R Mentoring Program ● Submission of a Candidate Application Form ● Acceptance by Gesell
Level 2 Examiners are approved by Gesell to deliver the GDO-R assessment through outside entities, but not through Gesell directly.
● Satisfactory completion of all Level 1: GDO-R Examiner criteria
● Satisfactory completion of the GDO-R Results Webinar
GDO-R Examiner Level 3
Qualified GDO-R Examiner
Qualified GDO-R Examiners are approved to offer official GDO-R assessments, through the Gesell Program in Early Childhood directly.
● Satisfactory completion of all Level 2: GDO-R Examiner criteria
Acceptance by Gesell based on:
● Interview
● 3 approved completed CRF's
● Video of candidate satisfactorily administering the GDO-R
● Submission of a Candidate Application Form
GDO-R Examiner Level 4
National Lecture Staff ● Interview
National Lecture Staff Qualified Examiners are the only qualified examiners approved to offer official Gesell Program in Early Childhood GDO-R workshops.
● Satisfactory completion of all Level 3: GDO-R Examiner criteria
Acceptance by Gesell based on:
● Candidate Application Form
● Video of candidate satisfactorily teaching someone, as in a workshop format, how to administer (live review can be scheduled at candidate's request and expense):
● Cubes
● Copy Forms
● Incomplete Man
● Satisfactory completion of a co-presentation of a GDO-R Workshop in partnership with an assigned NLS mentor
● Signed Policies and Procedures Handbook and annual letter of agreement.
● To maintain NLS status, Level 4 Examiners must:
● Annually, lead one or more GDO-R trainings.
● Maintain a high level of understanding of GDO-R theory and practice.
● Receive consistently high evaluations from training participants.
● Reflect on feedback and incorporate suggested improvements into their own training protocol, as requested by Gesell leadership.
● Every 5 years, participate in one GDO-R training led by a fellow NLS and offer feedback.
*Criteria may be amended and/or waived for veteran assessors or for other circumstances at the discretion and approval of The Gesell Program in Early Childhood.