This study examines the use of the Picture Exchange Communication System (PECS) method to enhance the understanding of two-step instructions among learners with Autism Spectrum Disorder (ASD). The aim of this research is to provide a comprehensive explanation of the application of PECS as a method to improve communication skills and the ability to follow two-step instructions in children diagnosed with ASD. A descriptive qualitative approach was employed, with data collected through direct observation, interviews, and documentation at Sonokwijenan II/96 Surabaya State Elementary School. The results indicate that the use of PECS is effective in improving students’ ability to comprehend sequential two-step instructions and express their needs.
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