The Impact Assessment Method was developed by a Canadian team from McGill University (Roland Grad and Pierre Pluye) to measure the cognitive impact of knowledge resources on health professionals. It comprises a 7 item scale developed from an extensive literature review. It has been well validated and tested.
The scale includes:
Reassurance (I was more confident)
Confirmation (I was doing the right thing)
Practice improvement (clinical decision making was enhanced)
Recall (I recalled something I’d forgotten)
Learning (I learned something new or updated my knowledge)
It has been used to test information gained via hand held devices, evidence summaries and alerts by email and more recently on information for patients.
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