A COTA is assisting an OTR with setting social skills goals with a child with autism and the parent. The OTR decides to use Goal Attainment Scaling (GAS) to establish a baseline and measure outcomes of intervention. Which statement reflects the correct application of GAS?
1) GAS is used to measure the effectiveness of social skills goals in children with autism.
2) GAS is a tool used by occupational therapists to set goals for children with autism.
3) GAS is a standardized assessment tool used to measure the progress of intervention.
4) GAS is a technique used to establish a baseline for social skills goals in children with autism.