This definition appears very rarely
See other definitions of PSD
Samples in periodicals archive:
Child with Preschool Severe Delay (PSD) Determination of Eligibility Name of Student Date of Eligibility Decision Name of Public Education Agency
15-771. Preschool programs for children with disabilities; definition. A. Each school; Preschool severe delay. 5. Speech/language impairment. B.
meet the criteria as a child with a preschool severe delay. Team decision regarding the need for special education services. The child. does not.