Sentence examples for their effectiveness * from inspiring English sources

What evidence of their effectiveness is there?

Evaluating their effectiveness is tricky.

But their effectiveness has deserted them.

But their effectiveness is already diminishing.

But their effectiveness is severely limited.

They sustain their effectiveness through renewal.

Data on their effectiveness, however, is scant.

But studies of their effectiveness have found mixed results.

But he is proud of their effectiveness and resilience.

They can be intimidating and their effectiveness is questionable.

But they achieve their effectiveness, essentially, just by being themselves.