Carl Is Conducting a Research Study Comparing the Effectiveness of Two

Multiple Choice

Carl is conducting a research study comparing the effectiveness of two tutoring programs. He has four schools willing to work with him on this project. However the schools are already using tutoring programs and will not allow Carl randomly assign students to the two programs. Which type of research design would be best for Carl to use?

A) A strong experimental design
B) A weak experimental design
C) A quasi-experimental design
D) A multiple-baseline design