As with the general delivery of curriculum, there is unlikely to be one single effective model.

Business should not be afraid to look to government for effective and productive models.

Dreams, like other forms of art, required effective original models.

I think this is a much more effective model.

Such trends show that an effective model must have some memory of past behavior, they said.

Instead, he said, they sometimes found ads without models more effective.

The second is to develop an effective model for project-based instruction.

It is a very effective model if one doesn't gripe about the details.

In fact, she herself is an effective commercial model with more than 50 product endorsements.

Is this really the most effective model to ensure more competition, less discrimination, lower prices and higher investment?