The classic Widal test is negative in the first week.

What is involved is a classic political test: whether a party can reach out for the converts it needs while also satisfying its faithful.

The theory has now become the benchmark for classic tests of relativity theory.

In the classic test, the experimenter first played with the children, making sure that they looked in the mirror at least three times.

The classic test may have produced false negatives, because the child's recognition of the dot did not lead to them cleaning it.

This was to be a classic test of youth against experience.

Lord Oliver, at page 880, reaffirmed the classic test for passing off:

It was a classic test of hockey's macho quotient.

Whatever you think about dog mushing, this February event is a classic test against winter's toughest conditions.

Sensation seeking Find out if you're a thrill-seeker in this classic psychological test.