Lena begins a new case at a center for children with developmental delays. She brings her client, Aiden, into a therapy room filled with books, puzzles, and toys. Lena sits off to the side and observes quietly as Aiden explores the room. She tracks how long he interacts with each item but does not give any directions or remove any materials. What type of preference assessment is Lena using?

Suppose a market basket consists of the following goods: 50 pens 100 notepads 200 paper clips  Also assume that price per unit for these goods is as follows for the years noted, and 2016 is the base year. What is the value of the price index in 2016? Second Exam.png

Hannah is working with her client, Tyler, who scans arrays of items effectively. Hannah needs to quickly identify a hierarchy of potential reinforcers. What type of preference assessment should Hannah use?

Melissa is teaching their client to select clothing when asked. Melissa says, “Show me a shirt,” but the client reaches for the jacket. Melissa blocks the incorrect response, removes the cards, waits a moment, and then re-presents the instruction while immediately prompting the correct response. Melissa then introduces a distractor trial before testing the original instruction again. Melissa is using which type of error correction strategy?

Aubrey hears a friend say, “Play time!” and Aubrey says, “Play time!” This is an example of which of the following?

Lane is teaching his client, Beth, to make microwave popcorn. Lane begins teaching by completing all the steps up to pouring the popcorn in a bowl. Lane then has Beth pour the popcorn into the bowl and lets her eat some popcorn. After success with this last step, Lane has Beth open the bag of freshly popped corn and then pour it into the bowl. Lane continues adding a step until Beth can complete the entire sequence independently. Which chaining procedure is Lane using to teach Beth the skill?

Quinn is teaching his client to place a napkin on their lap before eating. He begins with full physical assistance, guiding the client’s hands to pick up the napkin and place it on their lap. After several successful trials with full physical guidance, what is the next step in most-to-least prompting?

Lena, a behavior analyst, presents an array of four different types of toys in front of her client Marcus. She asks Marcus to choose one of the items. Marcus picks one toy (an action figurine) from the group and starts playing with it while Lena removes the other toys. Lena then records the toy Marcus selected. What should Lena do next when conducting this multiple stimulus with replacement (MSW) preference assessment?

Sage is learning to wait for preferred items. Her behavior analyst places an iPad near her and gives her the instruction to wait. If Sage reaches for the item, the behavior analyst points to a timer to signal the waiting period is not over yet. Pointing to the timer to signal that the waiting period is not over yet is an example of which of the following?

Sasha places five different toys in front of her client. The client selects one and begins to play. Sasha notes the toy picked, replaces the selected toy back into the set, rearranges the array, and presents all toys again. She continues this process and records the frequency of each selection. What type of preference assessment is Sasha using?