Researchers Are Interested to Find Out Whether the Beneficial Effects

Researchers are interested to find out whether the beneficial effects of randomized-controlled trials (RTc) show to be effective in real-world clinical practices. van Ingen et al. (2009) found in their meta-analysis of 11 effectiveness studies on the treatment of anxiety disorders that:

A) CBT interventions are generalize to real-world clinical practice
B) IPT interventions are generalize to real-world clinical practice
C) Modeling interventions are generalize to real-world clinical practice
D) All of the above