Which of the Following Statements Is True Regarding the Relative

Multiple Choice

Which of the following statements is true regarding the relative advantages of single-case experimental designs as compared to multiple-group designs in clinical research?

A) Ethical problems arising from withholding a potentially beneficial treatment are less likely to arise in single-case designs than in multiple-group designs.
B) Single-case designs are especially useful when research is directed toward changing the behavior of large groups of individuals.
C) Multiple-group designs are more effective when an investigator in clinical research can gain access to only a small number of clients with a particular disorder.
D) Single-case designs are effective in identifying what treatments "in general" should be applied to modify behavior, but it is not possible to specify what effect the treatment will have on any specific individual.