You are working with a young child with Rett syndrome who en…

You are working with a young child with Rett syndrome who engages in very frequent self-injurious finger picking, hair pulling, and face scratching. You have observed that sitting on mom’s lap while playing with toys is reinforcing, so you decide to use this as the reinforcer. You implement a fixed-momentary DRO using a 5 second interval based on baseline data. Which of the following describes a fixed-momentary DRO procedure most accurately?