Recorded lectures Toilet training for children according to the principles of applied behavior analysis a. Muhammad Al-Halimi Master in Applied Behavior Analysis and Certified Behavior Analyst (BCBA). Autism spectrum disorder from childhood to adulthood Dr.. Khawla Al Khashiban PhD in Autism Spectrum Disorder and Behavioral Disorders Demand skill and its role in reducing behavioral problems a. Manar Al-Zahrani Autism trainer, Master's degree in psychological counseling and a licensed psychologist from the Commission for Health Specialties