The CBCL/6-18 and the TRF/6-18 both cover the same age range. How do I decide between them?

Both forms should be completed if possible. The CBCL/6-18 is completed by the parents or parent surrogates and the TRF/6-18 by the child’s teacher(s).

C-TRF 1½-5, CBCL 1½-5, CBCL 6-18, Preschool Age Forms, School Age Forms, TRF 6-18