The requirement that female participants should not be pregnant or breastfeeding during participation may have partly contributed to this; other cultural and practical influences may also have impacted female participation.
The practical factors influencing one behaviour are often different to those influencing another behaviour and the most effective interventions will be those directed at changing specific behaviours [ 10, 16].
While Section 106 does not mandate explicitly that any federal agency director accept the advice of the ACHP, their advice has practical influence, especially given the statutory obligations of the NHPA that require federal agencies to "take into account the effect of the undertaking".
Dr. Campbell eventually built on this personal relationship to forge institutional ties to the Reagan administration in Washington, giving the institution an unusual practical influence.
For highly correlated traits, only the leading PC have practical influence on genetic variation and PC with a negligible effect can be omitted without impairing accuracy of estimation.
The systems of classification are generally so vague and artificial, that, not only do they assist but feebly, in any mental arrangement of the phenomena which are presented, but they completely fail in exerting any practical influence on the subject".
But Mr Zawahiri, Mr Wuhayshi and their colleagues still have substantial ideological and some practical influence over the wider movement.
While this might appear a bit misguided Khan won't actually have any practical influence over the eventual decision his platform is undeniably huge and his support an important seal of approval.
If it be true that all governments rest on opinion, it is no less true that the strength of opinion in each individual, and its practical influence on his conduct, depend much on the number which he supposes to have entertained the same opinion.
But there is a dangerous future on the horizon, one in which the party still carries symbolic value, but not much practical influence.
