But doctors often can find out the type and the cause of the headaches without using other tests.

So why does the Government persist in using tests that don't work?

To get to the root of pain, doctors can use several tests.

Recently, however, the state had to delay the start of using such tests to keep students from graduating.

Doctors can use several tests to "look inside you" to get an idea of what might be causing the back pain.

To find others, like heart defects, doctors use special tests.

Of course, the Bush administration is using tests not to see if individual students are learning but to rank and evaluate schools.

If it had been a natural son, they could've used medical tests.

More than 20 states use such tests as a graduation requirement.

This year the state had wanted to revert to using just tests.