This study does not attempt to demonstrate cause and effect.

Environmental studies will attempt to determine how severe such effects could be.

Now, a Federal study is attempting to resolve this issue.

Most earlier studies of this issue have merely attempted to look at whether prisons pay for themselves.

The institute's study did not attempt to estimate the benefits of the new regulations.

The study did not attempt to assess what accounts for the improvement.

A study done in China attempted to see the relationship between body image depression and self regard.

A more recent study attempted to replicate and extend these results.

The new study did not attempt to determine where the bacteria live in the environment or how people acquire them.

The study did not attempt to assign a dollar value to the risk of accident or attack.