It is clear that there are several differences between PV and EPV and several challenges that need to be overcome if EPV is to be effective in practice, particularly with respect to relating cause and effect.
Although they do not impact greatly on cost-effectiveness, high uptake rates are essential if screening is to be effective in reducing mortality in the population.
Clearly, if attentional training is to be effective in clinical settings, it is important that it produces an effect on attention extending beyond the specific stimuli used in training, as demonstrated here.
"How likely that is to be effective is very questionable," Dr. Rubin concludes.
This share cannot be ignored if a global deal is to be effective.
The UN force needs more troops from more countries if it is to be effective.
The particular causative agent of the condition must be isolated if treatment is to be effective.
Research shows that, in many cases, the longer therapy lasts the less likely it is to be effective.
Lord Robertson, emphasizing this point to reporters, warned that "NATO must change radically if it is to be effective," and said it must "modernize or be marginalized".
One uncomfortable message from previous experience is that meaningful interaction with the public requires resources – both human and financial – if it is to be effective.
If sustainable development is to be effective in tackling the grave dangers posed by pollution, the roles of politicians and activists are also part of it future.
