Then, there's the Jaeger-Mills method, in which educators assign precise difficulty ratings to test questions.
You can treat that information as a mantra tribute to progress, or you can see the precise difficulties that come with it.
It is difficult to make a precise measurement, due to the difficulty in accurately calibrating the instruments used, and the problem of spatial coverage.
A clone with one 16S rRNA operon was used due to difficulty obtaining a precise copy number from genomic DNA and the predominance of slow-growing bacterium in CF airway samples [29], [30].
A general difficulty for a precise determination of the THz dielectric parameters arises from the fact that n and α depend indirectly proportional on the sample thickness d (e.g., [ 29]).
In the literature, a number of terms and definitions are used to describe IFs, such as "unanticipated findings", "off-target results", "ancillary information", "secondary findings" and "additional findings"; this diversity of terms indicates the importance and difficulties of a precise definition.
Part of the difficulty in establishing a precise figure was caused by the huge number of back packers in the region.
Even renowned Chinese writers have difficulty in providing a precise explanation of face, thinking it abstract and untouchable (Lin 1935).
The major drawback of enzyme-responsive systems, however, is the difficulty in establishing a precise initial response time [57].
Despite the difficulty in defining a precise number and the opinion that the exact number is not important, 97% continues to be widely publicized and defended.
The discontinuous nature of the lower Flattops One sandstones causes some difficulty with tracing a precise contact between the Martha's Butte beds and Jim Camp Wash beds in particular areas, especially along the east side of Jim Camp Wash.
