a) Good; a combination of techniques could be the most efficient and convincing approach in reaching the aim of a certain strategy. For example, providing good information to the public in combination with the development of laws will create more support in society for that particular law
b) Wrong; techniques are practical tools to be used in a certain strategy. Theoretical ideas (for example on the driving mechanisms in society) are more useful in the development of a strategy.
c) Good; It is recommended to describe techniques in a strategy depending on the aim of the public participation.
d) Wrong; This is not necessarily the case; often different techniques can
be run in parallel.