Bryce Is a Occupational Therapist Working with Sandy, a Patient

Multiple Choice

Bryce is a occupational therapist working with Sandy, a patient with brain injury. Bryce has decided to test the effects of a graphing strategy with Sandy. He starts the graphing technique while collecting data in the form of minutes of strength training per day. He discontinues the graphing technique and still collects minutes of strength training per day. Bryce then reintroduces the graphing technique. Bryce has employed which of the following types of single-subjects designs?

A) Case study Design
B) A-B Design
C) B-A-B Design
D) A-B-A Design