Early intervention (EI) has been shown to yield numerous positive outcomes for children, families, and society. Here are some of the key benefits:

1. Improved Developmental Outcomes:
   1. Early intervention can significantly enhance a child's cognitive, social, emotional, and physical development. Children who receive EI services often show improvements in communication skills, motor skills, and social interactions.
   2. Source: Centers for Disease Control and Prevention (CDC)
2. Increased School Readiness:
   1. Children who participate in EI programs are better prepared for school, displaying improved literacy and numeracy skills, as well as better social-emotional adjustment.
   2. Source: National Institute for Early Education Research (NIEER)
3. Enhanced Family Dynamics:
   1. EI services help families understand and support their child's development, fostering stronger parent-child relationships and empowering parents with the skills and confidence to advocate for their child.
   2. Source: American Speech-Language-Hearing Association (ASHA)
4. Long-term Economic Benefits:
   1. Investing in early intervention can reduce the need for more intensive and costly special education services later in life. It also has the potential to decrease societal costs related to healthcare, criminal justice, and welfare.
   2. Source: Heckman Equation
5. Better Health Outcomes:
   1. Early identification and intervention can address developmental delays and health issues early on, leading to improved long-term health and well-being for children.
   2. Source: World Health Organization (WHO)
6. Social and Emotional Benefits:
   1. EI programs can help children develop better self-regulation, reduce behavioral issues, and enhance their ability to form positive relationships with peers and adults.
   2. Source: Zero to Three

These positive outcomes demonstrate the significant impact of early intervention on various aspects of a child's life and the broader community.

Source: https://heckmanequation.org/wp-content/uploads/2013/07/F_HeckmanDeficitPieceCUSTOM-Generic_052714-3-1.pdf