His tests involved a selection of over 10,000 men, women and children from the London public.

When the test involved more complex math skills, the success rate dropped.

The second test involved a general physics based laboratory exercise.

The test involves drawing a small amount of blood from a finger.

The initial 1992 test involved 125,983 returns from Ohio residents.

The second test involved tracing the shape of a star that could be seen only in mirror image.

The final two tests involved the formation and use of a cognitive map.

The test involves a gene analysis of blood taken from the person being tested and half a dozen or more family members.

Of course, any test involves work but the minimum effort we require is reasonable and necessary.

The panel, he said, generally agreed that the 1992 test involved something akin to the W-88 primary.