In Week 4, you completed the first of three Performance Tasks in this course designed to help you demonstrate your understanding and proficiency in the topics covered in the module. This is the second of the three performance tasks assigned during the course. Performance tasks are essentially the application of course content that you have learned to date in order to solve a simulated problem of some kind. The intention is to replicate some of the types of "real-life" situations that you are likely to face in the field. For this Performance Task, you will explore the use of single-case research designs to evaluate interventions