effectiveness

4 definitions • 8 examples

the degree to which something is effective:

The study will review the effectiveness of reading and mathematics software products.

They don't have information yet to evaluate the effectiveness of those programmes .

how well a particular treatment or drug works when people are using it, as opposed to how well it works under carefully controlled scientific testing conditions:

There are doubts about the effectiveness of the new drug in treating the disease.

Once the vaccine is widely available we will know more about its effectiveness.

effectiveness study An effectiveness study asks “Does the treatment approach work in the real world?”

the ability to be successful and produce the intended results:

The drug’s effectiveness is doubtful.

the quality of being successful in achieving what is wanted:

The effectiveness of ads like this lies in their simplicity.

I had doubts about his effectiveness as a manager.