The three signs of autism spectrum disorder are _____. unusual play, low intelligence, and inadequate social skills inadequate s
ocial skills, low intelligence, and impaired communication inadequate social skills, impaired communication, and unusual play impaired communication, unusual play, and low intelligence
<span>The three signs of autism spectrum disorder are: </span><span>inadequate social skills, impaired communication and unusual play. </span>ASD or Autism spectrum disorder refers to a group of developmental disorders and it comprises of a wide range of indications, skills, and levels of disability.