---
title: "The CBCL/6-18 and the TRF/6-18 both cover the same age range. How do I decide between them?"
description: "Both forms should be completed if possible. The CBCL/6-18 is completed by the parents or parent surr"
url: "https://answers.aseba.org/post/the-cbcl-6-18-and-the-trf-6-18-both-cover-the-same-age-range-how-do-i-decide-between-them/"
updated: "2024-01-09"
category: ASEBA Forms
tags:
  - "C-TRF 1½-5"
  - "CBCL 1½-5"
  - "CBCL 6-18"
  - Preschool Age Forms
  - School Age Forms
  - "TRF 6-18"
---

# 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).