Dr Smith Begins Measuring the Procrastination Habits of Six Clients

Dr. Smith begins measuring the procrastination habits of six clients at the same time. She then staggers the implementation of a cognitive-behavioral intervention so that each client begins the treatment at a different time. This design is best characterized as:

A) Multiple baseline design used across subjects
B) Multiple baseline design used across target problems
C) Multiple baseline design used across different settings
D) Multiple component design