Gessell Developmental Observation (GDO)

(redirected from Gessell Developmental Observation GDO)

Ges·sell De·vel·op·men·tal Ob·ser·va·tion (GDO)

(ges'ĕl dĕ-vel'ŏp-men'tăl obsĕr-vāshŭn)
A standard procedure for direct observation of a child's growth and development in which the examiner makes discriminating observations and compares them with normative patterns for each developmental age.