However, since usually some of their parameters are not known, these models pose demanding parameter estimation problems.
This strategy would, however, pose demands on developing webpages that are attractive to the public and of good quality, since they would compete with existing commercial pages aimed towards parents.
But it poses demands that American actors known for their freewheeling spontaneity can't always meet.
If a democratic Syria posed demands for the return of the Golan Heights, however, then Western acceptance of the status quo might crumble.
The deployment of sophisticated telecommunication services poses demanding design and implementation challenges to the underlying infrastructure.
An underlying premise adopted by this meta-aggregative development group was that regardless of the type of evidence being synthesised, systematic reviews should be conducted in the same fashion, regardless of the type of evidence the question posed demanded.
There were limited instances where respondents' learning was not influenced by task demands, even though they perceived different assessment tasks to pose different demands.
