Table 5. Freidman test for differences between the four areas of developmental care.

Developmental care	Mean (SD)	Mean score	Freidman test
Individualized care	3.02 (0.50)	2.35	Chi-square = 16.62 df = 3 p = 0.001
Appropriate developmental environment for the infant and family	3.01 (0.63)	2.31
Support and approval of the infant’s and family relationship	3.00 (0.46)	2.30
Collaboration among care agents	3.22 (0.56)	3.04
Total	3.06 (0.44)	-	-