Beck, A. T., Epstein, N., Brown, G. and Steer, R. A. (1988). An inventory for measuring clinical anxiety: psychometric properties. Journal of Consulting and Clinical Psychology, 56, 893–897.
Beck, A. T., Steer, R. A. and Brown, G. K. (1996). BDI-II Manual. San Antonio: The Psychological Corporation.
Bentall, R. P., Lewis, S., Tarrier, N., Haddock, G., Drake, R. and Day, J. (2003). Relationships matter: the impact of the therapeutic alliance on outcome in schizophrenia. Schizophrenia Research, 60 (Suppl. 1), 319.
Dickerson, F. B. and Lehman, A. F. (2011). Evidence-based psychotherapy for schizophrenia: 2011 update. Journal of Nervous and Mental Disease, 199, 520–526.
Dimeff, L. A., Koerner, K., Woodcock, E. A., Beadnell, B., Brown, M. Z., Skutch, J. M., et al. (2009). Which training method works best? A randomized controlled trial comparing three methods of training clinicians in dialectical behavior therapy skills. Behaviour Research and Therapy, 47, 921–930.
Dixon, L. B., Dickerson, F., Bellack, A. S., Bennett, M., Dickinson, D., Goldberg, R. W., et al. (2010). The 2009 schizophrenia PORT psychosocial treatment recommendations and summary statements. Schizophrenia Bulletin, 36, 48–70.
Dunn, G., Fowler, D., Rollinson, R., Freeman, D., Kuipers, E., Smith, B., et al. (2012). Effective elements of cognitive behaviour therapy for psychosis: results of a novel type of subgroup analysis based on principal stratification. Psychological Medicine, 42, 1057–1068.
Durham, R. C., Guthrie, M., Morton, V., Reid, D. A., Treliving, L. R., Fowler, D., et al. (2003). Tayside-Fife clinical trial of cognitive behavioural therapy for medication-resistant psychotic symptoms. British Journal of Psychiatry, 182, 303–311.
Evans, C., Connell, J., Barkham, M., Margison, F., McGrath, G., Mellor-Clark, J., et al. (2002). Towards a standardised brief outcome measure: psychometric properties and utility of the CORE-OM. British Journal of Psychiatry, 180, 51–60.
Fairburn, C. G. and Cooper, Z. (2011). Therapist competence, therapy quality, and therapist training. Behaviour Research and Therapy, 49, 373–378.
Fowler, D., Garety, P. and Kuipers, E. (1995). Cognitive Behaviour Therapy for People with Psychosis. Chichester: Wiley.
Fowler, D., Rollinson, R. and French, P. (2011). Adherence and competence assessment in studies of CBT for psychosis: current status and future directions. Epidemiology and Psychiatric Sciences, 20, 121–126.
Haddock, G., McCarron, J., Tarrier, N. and Faragher, E. B. (1999). Scales to measure dimensions of hallucinations and delusions: the psychotic symptom rating scales (PSYRATS). Psychological Medicine, 29, 879–889.
Haddock, G., Devane, S., Bradshaw, T., McGovern, J., Tarrier, N., Kinderman, P., et al. (2001). An investigation into the psychometric properties of the Cognitive Therapy Scale for Psychosis (CTSPsy). Behaviour and Cognitive Psychotherapy, 29, 221–233.
Jolley, S., Onwumere, J., Kuipers, E., Craig, T., Moriarty, A. and Garety, P. (2012). Increasing Access to Psychological Therapies for people with psychosis: predictors of successful training. Behaviour Research and Therapy, 50, 457–462.
Kimhy, D., Tarrier, N., Essock, S., Malaspina, D., Cabannis, D. and Beck, A.T. (2012): Cognitive behavioral therapy for psychosis: training practices and dissemination in the United States. Psychosis: Psychological, Social and Integrative Approaches. doi:10.1080/17522439.2012.704932
Lovibond, S. H. and Lovibond, P. F. (1995a). Manual for the Depression Anxiety Stress Scales (2nd ed.) Sydney: Psychology Foundation.
Lovibond, P. F. and Lovibond, S. H. (1995b). The structure of negative emotional states: comparison of the Depression Anxiety Stress Scales (DASS) with the Beck Depression and Anxiety Inventories. Behaviour Research and Therapy, 33, 335–343.
McManus, F., Westbrook, D., Vazquez-Montes, M., Fennell, M. and Kennerley, H. (2010). An evaluation of the effectiveness of Diploma-level training in cognitive behaviour therapy. Behaviour Research and Therapy, 48, 1123–1132.
NICE (2009). Schizophrenia: core interventions in the treatment and management of schizophrenia in primary and secondary care (update). London: National Institute of Health and Clinical Excellence.
NICE (2012). Psychosis and Schizophrenia Update: final scope. London: National Institute of Health and Clinical Excellence.
Rakovshik, S. G. and McManus, F. (2010). Establishing evidence-based training in cognitive-behavioural therapy: a review of current empirical findings and theoretical guidance. Clinical Psychology Review, 30, 496–516.
Rollinson, R., Smith, B., Steel, C., Jolley, S., Onwumere, J., Garety, P. A., et al. (2008). Measuring adherence in CBT for psychosis: a psychometric analysis of an adherence scale. Behavioural and Cognitive Psychotherapy, 36, 163–178.
Rollinson, R., Haig, C., Warner, R., Garety, P., Kuipers, E., Freeman, D., et al. (2007). The application of cognitive-behavioral therapy for psychosis in clinical and research settings. Psychiatric Services, 58, 1297–1302.
Shafran, R., Clark, D. M., Fairburn, C. G., Arntz, A., Barlow, D. H., Ehlers, A., et al. (2009). Mind the gap: improving the dissemination of CBT. Behaviour Research and Therapy, 47, 902–909.
Steel, C., Tarrier, N., Stahl, D. and Wykes, T. (2012) Cognitive Behaviour Therapy (CBTp) for psychosis: the impact of therapist training and supervision. Psychotherapy and Psychosomatics, 81, 194–195.
Tarrier, N. and Wykes, T. (2004). Is there evidence that cognitive behaviour therapy is an effective treatment for schizophrenia? A cautious or cautionary tale? Behaviour Research and Therapy, 42, 1377–1401.
Westbrook, D., McManus, F., Clark, G. and Bennett-Levy, J. (2012). Preliminary evaluation of an online training package in cognitive behaviour therapy: satisfaction ratings and impact on knowledge and confidence. Behavioural and Cognitive Psychotherapy, 40, 481–490.
Young, J. and Beck, A. T. (1980). Cognitive Therapy Scale. Unpublished manuscript. University of Pennsylvania.