Meta-Analysis of the Short- and Long-Term Effects of CBT for Pathological

Meta-analysis of the short- and long-term effects of CBT for pathological gambling compared to no treatment has found:

A) large short-term but very small long-term effect sizes.
B) medium short- and long-term effect sizes.
C) very large effect sizes at both short- and long-term follow-ups.
D) small short-term effect sizes that increase to moderate over time.