STAGE 6. Defining the evaluation plan
What steps should be completed?
Step 1: Select the type of evaluation
An intervention process is analysed to find out how it has progressed and how the participants assess it. Process evaluation1 estimates achievement (if the planned activities were carried out), coverage (if the target population was reached), accuracy (if the activities were applied according to the proposed plan) and satisfaction of intervention recipients and administrators. It helps to explain the results achieved and to analyse potential improvements to be introduced in future interventions.2
Regardless of the type of intervention performed, you should always evaluate the process. This is especially important in new interventions, very complex ones, ones with little documentation and information about the effects of implementation and ones that target socially disadvantaged population groups. The personal and social characteristics of this type of population often require more adjustments to be carried out, and it is very useful to understand the changes that have been made to incorporate them into future implementations.
Processes can be evaluated in any type of intervention, and this provides valuable information to:
1 Adapted from Alonso C, Salvador T, Suelves JM, et al. (2004). Prevención de la A a la Z. Glosario sobre prevención del abuso de drogas [Prevention from A to Z. A drug abuse prevention glossary. Madrid: Centro de Estudios sobre Promoción de la Salud.
2 EMCDDA. (2010). Prevention and Evaluation Resources Kit (PERK). Luxembourg: Publications Office of the European Union.