%0 Journal Article %T Perspectives on Functional (Behavioral) Assessment %A Glen Dunlap %A Lee Kern %J Behavioral Disorders %@ 2163-5307 %D 2018 %R 10.1177/0198742917746633 %X In the 25 years since the publication of the article reprinted in this issue of Behavioral Disorders, a tremendous amount of research and opinion has been published on the topics of functional analysis, functional assessment, and assessment-based interventions. In this commentary, we reflect on the context in which our original work was conducted and briefly consider changes that have occurred and challenges that remain %K functional assessment %K functional analysis %K emotional and behavioral disorders %U https://journals.sagepub.com/doi/full/10.1177/0198742917746633