The implications of these differences are discussed, in relation to the difficulty this imposes in the interpretation of studies of disease aetiology.
"I also want to talk about what we see as some of the barriers and some of the difficulties, like the illegal settlements, in relation to that peace process," she said.
"There was an implication there that if the job application process didn't go his way, there may be difficulties ahead in relation to the difficulties for the archive," Ms Sayed told BBC Wales' Newyddion9 news programme.
Although not an obvious comparison, the identification of Ryan Giggs despite an injunction being in place, in total disregard for the authority of the court, raises all the same issues and concerns in relation to the difficulties in policing what has been to date almost completely unrestrained online dissemination.
The construction of forest roads should always be undertaken with an eye to economy, in relation to the difficulties of the terrain and the limited and temporary nature of the traffic which these roads have to carry.
In relation to item difficulty, we selected items that obtained inter-rater agreement from at least two judges on the level of difficulty (66%%), since difficulty level would be also assessed empirically though the item response theory (IRT) in the second study.
Rasch analysis is a modern psychometric technique that calculates person ability in relation to item difficulty by placing them on the same linear continuum.
The impairments most commonly studied in relation to walking difficulties are those that directly influence walking, namely muscle strength and balance.
"We do devote the same level of resources to murders in relation to their difficulty," said Sir Ian, speaking at a monthly meeting of the Metropolitan police authority.
However, by manipulating task complexity, we have been able to interpret developmental differences more comprehensively and explore changes in activation in relation to naming difficulty.
