“…No one assessment tool should ever lead to a determination of eligibility or need (Squires, 2015). Triangulation has been described as use of observation, caregiver interview, and caregiver and child interaction (Keilty et al, 2009; Macy et al, 2005; Myers et al, 1996; Ringwalt, 2008; Sterling et al, 2011). Triangulation can be done by corroborating assessment results from one assessment tool to another, such as comparing scores on norm-referenced and curriculum-based tools, or can be accomplished within one assessment tool itself.…”