Gerhard Andersson|Per Carlbring|Tomas Furmark
Therapist Experience and Knowledge Acquisition in Internet-Delivered CBT for Social Anxiety Disorder: A Randomized Controlled Trial
Swedish Institute|Linköping University|Karolinska Institutet|Umeå University|Uppsala University
guided internetdelivered cognitive behavior therapy icbt tested several trials social anxiety disorder sad moderate large effects aims study threefold first compare effects icbt including online discussion forum moderated online discussion forum second investigate knowledge sad increased following treatment third compare effects inexperienced versus experienced therapists patient outcomesa total 204 participants primary diagnosis sad included randomized either guided icbt control condition icbt consisted 9week treatment program guided either psychology students msc level n 6 licensed psychologists previous experience icbt n 7 knowledge test dealing social anxiety administered treatment measures social anxiety secondary outcomes dealing general anxiety depression quality life administered treatment addition 1year followup conducted treated individualsimmediately following treatment icbt group showed superior outcome liebowitz social anxiety scale selfreport version group posttreatment hedges g effect size g 075 addition significant differences secondary outcomes observed gains well maintained one year later knowledge assessed knowledge test increased following treatment little gain control group therapist experience result different outcomes experienced therapists logged less frequently compared inexperienced therapists suggesting needed less time support patientswe conclude guided icbt reduce symptoms sad increase knowledge sad therapist experience make difference apart finding experienced therapist may require less time guide patientsuminacjp umin000001383