Your idea is excellent; the difficulty is something that not enough people are talking intelligently about.
Test-retest correlations of both parent and teacher ratings were excellent for total difficulties and all subscales (total difficulties ρ = 0.79, 0.95; emotional symptoms ρ = 0.80, 0.76; conduct problems ρ = 0.76, 0.88; hyperactivity/inattention ρ = 0.70, 0.84; peer problems ρ = 0.74, 0.79; prosocial behavior ρ = 0.87, 0.72; parent and teacher, respectively; all p < 0.01).
Writing for GameSpy, Ben Turner commented on the "excellent progression of difficulty" engendered by three distinct difficulty modes and thoughtful stage design, expounding "most levels introduce some new idea or concept to the game" and "every single level played adds to your skill".
Math Bingo offered an excellent range of difficulty.
The stent behavior during peristaltic movements was excellent, expanding without difficulty from the very narrow lumen corresponding to the maximum peristaltic pressure till the complete recovery of operative lumen when the pressure disappears.
Each sub-scale was calculated according to the methods described by the NEI-VFQ developers and can range from 0 to 100, where 0 is the worst and 100 represents no disability related to vision (that is, ratings of excellent or no difficulty).
Anthony Gottlieb's excellent discussion of the difficulties of insuring a legitimate voting system in a democracy missed one major barrier to reform in this country: the principle of "one person, one vote" (A Critic at Large, July 26th).
Synthetic glue matrix is found to be an excellent matrix overcoming these difficulties with an efficient dispersion of nanoparticles. Figure 1 shows the HRTEM picture of a single CdS nanocrystal embedded in the matrix (sample C4).
An excellent depiction of these difficulties is the 2008 film Sugar, which depicts the struggles faced by a Dominican player trying to make it in the minor leagues in America.
"The best entering students are excellent; the weakest have difficulty with elementary algebra," it says.
