Evaluation Of The Intervention Phase Essays

932 Words Oct 6th, 2015 4 Pages
There are several different research designs that are used in Applied Behavior Analysis. Single subject designs are relatively easy to understand. Before any data is collected or a design can be implemented the clients target behavior and intervention must be specifically defined. They are versatile and flexible, variety of data collection; they are applicable in educational and clinical settings, can be used on people across all ages. Withdraw, changing criterion, and alternating treatment designs are just a few designs used in single subject research.
Withdrawn designs
The A-B-A-B withdrawn design attaches a second treatment phase. It provides additional verification of a practical relationship and the client is left in the treatment phase. The A-B-A-B design starts with no-intervention baseline (A1) followed by intervention phase (B1). The intervention phase is repeated so the two intervention phases are compared
With comparing the intervention phases twice to the target behavior the two baseline phases confirms and reinforces a functional relationship concerning target behavior and treatment.
Client background
Thomas is a 6 year old boy who is diagnosed with autism, developmental delayed, sensory issues. Thomas is excited to be at school and tries really hard. Thomas loves computer time whether he is doing work or free time computer educational games. However, when it is time to enter the lunch room Thomas begins to lash out by screaming,…

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