Increasingly, private pressure groups commission private survey organisations to focus on particular subgroups or issues and, as a result, deal with matters that go beyond material deprivation.

More likely, it might be that we need to ensure that particular subgroups are represented in the sample.

Even among speakers of one language several different ways of using the language exist, and each is used to signal affiliation with particular subgroups within a larger culture.

Wrasse of a particular subgroup of the Labridae family Labrini do not exhibit broadcast spawning.

Thompson's normal p-complement theorem used conditions on two particular characteristic subgroups of a Sylow p-subgroup.

However, the 'ageing population' is a far from homogeneous group; there are important differences between particular subgroups which need to be acknowledged and understood.

Dr. Hulka said: "There is some suggestion that particular subgroups are at increased risk.

So we found more evaluation per child, more information in those records, in addition to identifying particular subgroups.

We have become a nation of special interests, each of us identifying more with our particular subgroup than with the whole.

In mathematics, a group extension is a general means of describing a group in terms of a particular normal subgroup and quotient group.