There are clues of a different, more qualitative kind for Alexandra Ansanelli in the Bizet score for Balanchine's "Steadfast Tin Soldier," which this just-promoted principal dancer will perform for the first time tomorrow night, with Damian Woetzel.
While most published examples of developmental system drift are of the first, qualitative, kind, there is one previous study that proposed quantitative changes in signalling strength to account for the evolution of the vulval patterning system in Caenorhabditis elegans (Hoyos et al., 2011).
It is around 40,000 years ago, with appearance of Cro-Magnons that the authors believe we have clear evidence of "the appearance of a qualitative different kind of intelligence" (p. 194).
The main feature of interest is that, as a function of the small set of parameters, the model exhibits qualitative different kinds of dynamical behavior such as coexistence of tumor and infection, disappearance of infection, disappearance of all tumor cells, etcetera.
Apart from qualitative studies, all kind of study designs independent from type of data assessment, outcome measurement or study quality were included.
Multiple corroborative sources of different kinds (qualitative and quantitative) become particularly important, including different generational perspectives from interviews.
This is the kind of qualitative understanding that we can't get through page views or clicks.
I'd also say that there is a massive, qualitative, difference between the kind of inflation we've seen in the US and "hyperinflation," and I think there's no real reason to worry about the latter.
The representative empirical procedure gave sound qualitative results for this kind of landscape, but can be efficiently substituted by the regression model tested at the "local" scale.
There is another kind of qualitative hazard analysis: the "what if" checklist, where both methods are combined so that it is structured and uses the experience of the team to analyze the system.
There used to be a remedy for this sort of managerial authoritarianism: it was called a union, which bargained over not only wages and pensions but also the kind of qualitative issues, including promotion and transfer policies, that have proved so vexing for non-unionized employees at Wal-Mart and other big retailers.
