Which of the Following Statements Summarizes the Case in Favor

Which of the following statements summarizes the case in favor of the use of statistical analysis in single-case research.

A) The statistics required for analyzing single-case data are simple to use, and can reveal whether the treatment will have real therapeutic value.
B) Statistical analysis is helpful in detecting behavioral changes when there is high variability in baseline behavior, and reduces subjectivity of interpretation.
C) Statistical analyses are useful in determining which of many participants are best affected by the treatment, and can help suggest future courses of action.
D) Traditionally, psychological data are not accepted unless they are subjected to statistical analysis.