Dear IEJEE Readers,

It’s a great pleasure for me to present this special issue about the scientific strengths and practical challenges that characterize Applied Behavior Analysis (ABA) in our time. Near thirty active researchers within the field of autism/autism spectrum disorder (ASD) express their ideas, experiences and achievements in the field of ABA. They share their concerns about their observations in the field. Through this special issue, they are exposing themselves to the public room. They are doing this while we are celebrating AUTISM AWARENESS MONTH of April....