A client's pre-treatment Anger Expression Index score on the STAXI-2 is 2 standard deviations above the normative mean. After treatment, it falls to 1 SD above the mean. This outcome is best described as:
-
A
Clinically significant recovery to normal functioning
-
B
Statistically reliable improvement but still in the elevated clinical range
-
C
No meaningful change given the continuing elevation
-
D
Regression to the mean artifact requiring replication