CORE Credentials

Below are some of the key publications relating to CORE. We also have a more comprehensive list of References.

The CORE System • Mellor-Clark, J., Barkham, M., Connell, J. & Evans, C. (1999). Practice-based evidence and need for a standardised evaluation system: Informing the design of the CORE System. European Journal of Psychotherapy, Counselling and Health, 2, 357-374.

Barkham, M., Gilbert, N., Connell, J., Marshall. C., Twigg, E. (2005) Suitability and utility of the CORE-OM and CORE-A for assessing severity of presenting problems in psychological therapy services based in primary and secondary care. British Journal of Psychiatry, 186, 239-246.

Barkham, M., Mellor-Clark, J., Connell, J., and Cahill, J. (2006). A core approach to practice-based evidence: A brief history of the origins and applications of the CORE-OM and CORE System. Counselling & Psychotherapy Research, 6 (1):3-15

The CORE Outcome Measure • Evans, C., Mellor-Clark, J., Margison, F., Barkham, M., McGrath, G., Connell, J. & Audin, K. (2000) Clinical Outcomes in Routine Evaluation: The CORE-OM. Journal of Mental Health, 9, 247-255.

Evans, C, Connell, J., Barkham, M., Margison, F., Mellor-Clark, J., McGrath, G. & Audin, K. (2002). Towards a standardised brief outcome measure: Psychometric properties and utility of the CORE-OM. British Journal of Psychiatry, 180, 51-60.

Barkham, M., Culverwell, A., Spindler, K., Twigg, E., & Connell, J. (2005). The CORE-OM in an older adult population: Psychometric status, acceptability, and feasibility. Aging and Mental Health, 9, 235-245.

Leach, C., Lucock, M., Barkham, M., Stiles, W.B., Noble, R., & Iveson, S. (2006). Transforming between Beck Depression Inventory and CORE-OM scores in routine clinical practice. British Journal of Clinical Psychology, 45, 153–166

CORE Benchmarking • Barkham, M., Margison, F., Leach, C., Lucock, M., Mellor-Clark, J., Evans, C., Benson, L., Connell, J., Audin, K. & McGrath, G. (2001). Service profiling and outcomes benchmarking using the CORE-OM: Towards practice-based evidence in the psychological therapies. Journal of Consulting and Clinical Psychology, 69, 184-196.

Gilbert, N., Barkham, M., Richards, A., & Cameron, I. (2005). The effectiveness of a primary care mental health service delivering brief psychological interventions: A benchmarking study using the CORE System. Primary Care Mental Health, 3, 241-251

Mellor-Clark, J., Curtis Jenkins, A., Evans, R., Mothersole, G., & McInnes. (2006). Resourcing a CORE Network to develop a National Research Database to help enhance psychological therapy and counselling service provision. Counselling & Psychotherapy Research, 6(1): 16-22


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