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?

A man is helping his son memorize a poem for class. The son…

A man is helping his son memorize a poem for class. The son must first correctly recite the first line from memory in order to receive his father’s praise. Once the son can recite the first line without error, the father tells him to add on the next line of the poem. This process continues until the son can recite the entire poem by heart. This is an example of