The Instruments

Page created for 2015 site, updated (tweaks) 17/8/19, author CE, licence: Attribution 4.0 International (CC BY 4.0) .

The instruments include the measures: self-report measures, and the practitioner completed data sheets which give the contextual information so vital to understanding the self-report data. The self-report measures are the original CORE-OM and its shortened forms for adults, and the YP-CORE and LD-CORE respectively for younger people (adolescents) and for people with learning difficulties/disabilities.

• CORE-OM – the 34 item main “Outcome Measure” (hence “OM”). Please stay with the original name “CORE-OM” rather than “CORE-34”. Designed for adults, probably usable down to about 16 depending on literacy. The root of the short forms.
  • CORE-SF/A – first of the two original quasi-parallel 18 item forms.
  • CORE-SF/B – second of those original short forms.
  • CORE-10 – more recent short form as the pressure for yet shorter forms grew and it became clear that few practitioners alternate the original short forms.
  • CORE-5 – ultra short form.
  • GP-CORE – short form for general population survey work.  No risk items.
• YP-CORE – short form adapted for young people aged 13-17.
• LD-CORE – forms drawing on the CORE-OM design but co-developed with people with learning disabilities for them.

The practitioner completed instruments are as follows.

• CORE-A TAF (Therapy Asessment Form) – practitioner completed form that gives the crucial initial context to the change measurement.
• CORE-A EoT (End of Therapy form) – similar form completed at the end of the therapy describing the therapy.

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