Single-Case Research Designs (SCRD) to Address ADHD

For this discussion, you will begin by selecting one of the scenarios below and provide information related to the scenario in your response. Be sure to identify either Scenario A or Scenario B in the title of your main post.
Scenario A
Chen is an 8-year-old with attention deficit hyperactivity disorder and has difficulty staying in his seat and completing his work. Chen's behavior analyst suggested using a token economy to reinforce Chen's in-seat behavior. In order to determine which token would be most effective to reinforce Chen, the analyst wanted to compare the use of Spiderman tokens (Chen's favorite character) with more generic tokens, like a poker chip and a happy face. How should the analyst determine which research design to use to determine the most effective token to use for Chen's token economy?
Scenario B
Lydia is a young woman with a traumatic brain injury who is learning new vocational skills using Video Modeling strategy as part of her workforce program. She has been working on cleaning skills so that she can get a job as part of an office cleaning crew for the local bank chain. Currently, Lydia is vacuuming the floors in her training location before going out to the other two bank locations. Determine which design the analyst should use to measure and represent Lydia's accuracy in vacuuming the bank's floors?
Please respond to the following:
Determine whether a Multiple Baseline Design or Alternating Treatment Design would be an appropriate SCRD to use for this case.
Provide a rationale for your decision, grounded in the characteristics, advantages, and limitations of the design.
Create a hypothetical set of data for the case and create a graphical representation of the data using Microsoft Excel®.
Save your graph as a PDF document and attach it to your discussion post. Please be sure to review the graphing tutorial video resource in your readings to help you create your graph.