Avery is working in a clinical setting as a BCBA. He observes behavior therapist as they implement protocols to provide feedback to them. Today he is observing Callie as she implements discrete trial training with her preschool client Terrance. Avery has a checklist of the steps in implementing discrete trial training. He marks whether Callie has implemented the steps correctly. What is Avery measuring when he takes this data

As per the question, Avery is in a clinical setting and is observing a behavioral therapist. They are implementing a protocol to provide feedback. Avery has a checklist of steps to implement discrete trial training.  

Hence the option Task analysis.

Learn more about the clinical setting as a BCBA. He observes.

link.

The correct answer is - total task presentation during task analysis.

Explanation:

A total task presentation requires the understudy to perform the whole task until the chain is learned properly. There is supplemental support provided at each progression in the errand.

Task analysis is to breakdown a challenging task into small steps for make them achievable. Total task presentation is the strategy most as often as possible used to show functional skills to students with disabilities.

Thus, the correct answer is - total task presentation during task analysis.