These interactions impose difficulties to determine influences of changes in glucose feed on the cultivation.
During the 16 experimental blocks, the difficulty labels were independent of the true difficulty level but were presented to influence task difficulty expectations.
These examples are not actual functional difficulties, yet seem to influence the way respondents self-identify themselves to have LTID.
In order to cope with greater demands on water, Asda says there needs to be a fundamental reform of systems governing land and water use but points to the difficulty of individual companies to influence complex global supply chains.
The difficulty for those wishing to influence research utilisation is that they may not always have the power or authority to influence this context.
A study of China's health sector highlights the "difficulties involved in efforts to influence provider behavior through a national level legislative framework in a situation of decentralization of control over those providers, due to extreme regional variation in economic situations and limited resource inputs from the centre" [ 23].
Furthermore, although distractors, which represent the unique characteristics of MC tests, are known to influence test difficulty, studies have focused only on the semantic relationship between target words and distractors in vocabulary tests.
We used the item difficulty to evaluate the influence of COPD on patients in each domain.
In that testing session, he was tested with the original line drawings, but also with new and unfamiliar line drawings of animals of similar difficulty, to account for possible familiarity influences on his performance.
This factor is also found in another two studies conducted on a sample of GPs where organisational difficulties were found to influence decisions [ 10, 12].
