Limitations of ITS include the need for a minimum of 8 time periods before and 8 after an intervention to evaluate changes statistically, difficulty in analyzing the independent impact of separate components of a program that are implemented close together in time, and existence of a suitable control population.
A participatory research approach will be employed with farmers before and after the intervention to evaluate receptiveness, and all relevant stakeholders will be incorporated throughout the project's inception, implementation, and conclusions.
This study was performed in two periods, 1/an audit to identify the discrepancies of the medical prescriptions, 2/a "before/after" intervention study to evaluate the impact on medical prescriptions.
T1 was initiated before the theory-based educational intervention in order to evaluate the persistence of the intervention.
Comparing the data collected before and after the psychoeducational intervention, allowed us to evaluate the model's effectiveness.
An experimental research design consisting of one survey before and two after the intervention was used to evaluate whether the intended changes occurred.
We would therefore use polling data collected before and after campaigns to evaluate their success in order to inform future campaigns, as well as Randomised Controlled Trials (RCTs) or other rigorous ways of evaluating the success of interventions.
SEA-ORCHID used a before-and-after design to evaluate the impact of a multifaceted tailored intervention at nine sites across Thailand, Malaysia, Philippines and Indonesia, supported by three centres in Australia.
In addition, we used the EUROPEP questionnaire, distributed to all patients from the intervention and control PCHC, to evaluate patients' opinion before and after the intervention [ 41].
Validated questionnaires (30 questions) were administered to evaluate intervention effectiveness by comparing the results before and immediately after the interventions.
