Cooperative design: involving designers and users on an equal footing.

Ideally, evaluation should take place in experiments involving human users.

The trial will involve 2,500 intravenous drugs users, mostly men, in Bangkok.

This game involves users trying to find one of the "hot words" in a word search.

All the evidence available points to the difficulty of involving users effectively in planning processes.

Every software that involves users has a "right" design.

And a more detailed practical guide to involving users would have been good.

Water development and management should be based on a participatory approach, involving users, planners and policy-makers at all levels.

According to the World Bank, the decision process from design to execution involved users from the conception through a water user council.

It is a way to involve users in the retrieval process in order to improve the final result set.