The field experiment is meant to provide resolution on the order of 100 feet.

The great Olympic track and field experiment is under way.

To test this, a field experiment with three treatments was conducted.

The study found that there are differences in laboratory work and field experiments.

The planned objectives for the field experiment in 2012 are given below.

Nine of the field experiments approved in 1989 were to develop such plants.

So they were primed for the field experiment on this May afternoon.

"My favorite science project was always the field experiment."

This theory has been supported by aircraft observations from several field experiments.

One way to increase external validity is by conducting field experiments.