A criticism of the cognitive-behavioural case formulation approach made by Bieling and Kuyken (2003 ) is:

a) There is modest evidence for depression but not for obsessive-compulsive disorders
b) There is modest evidence of reliability and need for more evidence for validity
c) There is evidence of good inter-rater reliability for schema ratings but not overt problems
d) There is evidence only for the reliability of single judges making schema ratings

b