In Analyzing Single System Data, Which Statistical Test Would Be

Multiple Choice

In analyzing single system data, which statistical test would be appropriate to use if the dependent variable is dichotomous and nominal level (e.g., medication compliance/non- compliance) and the client is in compliance only 30 percent of days during a four week baseline (A) phase?

A) the mean effect size
B) the median test
C) the two-standard deviation method
D) the proportion/frequency method