These two  2-hour video workshops cover the definitions, origins, and guidelines for functional behavioral assessment.  They are made available through AIR's Center for Effective Collaboration and Practice and produced by Old Dominion University.

Functional Assessment and Behavioral Intervention Plans: Part I
This is a two-hour video workshop on functional behavioral assessment. It covers the definitions and origins of functional behavioral assessment, what is involved in conducting a functional behavioral assessment and the criteria for determining when one is needed, and other relevant issues surrounding this technique.

Functional Assessment and Behavioral Intervention Plans: Part II
This is a two-hour video workshop that builds on Part I to provide in-depth discussion of and instruction on how to conduct a functional behavioral assessment.