Standard gamble | |
Training | Standardised example `scripts' were produced and made available |
Screen presentation | • Refinements to screen titles and introductory screens to ensure this was presented and received as a theoretical exercise |
| • Refinement of health state descriptions |
Facilities added | • “Check” screens were built in to ensure patients understood the task and to confirm their responses as well as additional screens for “extreme” responses |
| • Means of indicating to clinicians when health state values are completed and logged |
Risk factor | |
Screen presentation | • Standardised definitions of risk factors made available to users |
| • Refinement of screen colours |
| • Refinements of presentation of numerical risk and capacity to display baseline risk after treatment or after risk factor reduction |
Facilities added | • Capacity to present 5 year risk in addition to annual figures |
| • Capacity to determine the impact on the risk of stroke, and need for warfarin, were the patient to achieve his/her target for smoking cessation and blood pressure control |
End game | |
| • Simplification of output screens and removal of “sensitivity analysis” facility |
| • Refinements to wording |
| • Introduction of aspirin as alternative if the choice is not to take warfarin (and later enhanced in the patient information leaflet) |