Hi student and welcome to BrainMass. Please keep the word count and number of references in mind when bid credit. I hope this works for you and let me know if there is anything else.
1. randomized controlled trials are when one intervention condition is tested against a control condition, one also had a support group condition. In CBT two sets of groups are used and one is given the therapy and the other is not then the two are compared, through quantitative studies, to find the effectiveness of ...
Three definitions with references