Answer to Question 1
d
Answer to Question 2
Applied behavior analysis focuses on clearly defining the behavior in the context of the environment, and then arranging the environment and providing consequences for increasing or decreasing specific behaviors. The role or function the students behavior plays in his environment is determined, and alternative behaviors that can serve the same function are identified. New behaviors are taught through reinforcement-based opportunities for response. Complex, or multistep behaviors, such as some vocational tasks, may be taught in segments and then linked together. Other skills, such as getting dressed, are presented as a whole, with the student gradually increasing participation. Students with autism may require many instructional trials (discrete trials) and explicit