Young children develop the skills necessary for communication in infancy. Interactions with family members and other caregivers nurture and support those skills. Spoken (expressive) language progresses rapidly after a child's first word. A typical 2-year-old has an expressive vocabulary of approximately 150-300 words. Around this time, as they…

Following a literature review on speech and language development of twins, case studies are presented of six sets of identical twins screened for entrance into kindergarten. Five sets of the twins and one boy from the sixth set failed to pass the screening test, particularly the speech and language section, and were referred for therapy to correct…