We present three diagnostic: tools to identify overt compulsive ritual
s, obsessional thinking, rind neutralizing behaviours in obsessive-com
pulsive disorder (OCD) and describe the most effective cognitive-behav
ioural technique for treating obsessional thinking without overt ritua
ls. Basic dysfunctional beliefs that lead to OCD ore explained and int
egrated in the treatment model. We suggest how combined therapy con be
used to treat OCD.