Second way is more popular, because it can be measured easily.

The direct costs of the war in Iraq to the government are also easily measured.

You should try to have pieces big enough to be easily measured by your scale.

This is easily measured by doing surveys and I am sure you know all the results.

But in these counties, party strength is not always easily measured.

Energy is still conserved, but it takes a form we cannot easily measure.

The very idea of success in caregiving cannot be easily measured.

This is a goal that can be met on a variety of levels not easily measured by a standardized test.

In practice, none of the quantities used for the definitions can be easily measured.

It can be easily measured using data from only a few take-offs.