Sources

20% of mental health problems identified without tools:
(Lavigne et al. Pediatr. 1993; 91:649-655)

30% of developmental disabilities identified without tools:
(Palfrey et al. JPEDS. 1994; 111:651-655)

80-90% with mental health problems identified with tools:
(Sturner, JDBP 1991; 12:51-64)

70-80% with developmental disabilities correctly identified with tools:
(Squires et al., JDBP 1996; 17:420-427)