After 25 albums, Bruce Cockburn's style is well established, his themes firmly in place.
Sampling and analyses continued until no new themes were emerging and established themes ceased evolving.
Each theme will be addressed below with ensuing qualitative quotes, which either corroborate or refute the established themes; Figure 2 illustrates each developed theme with a contributing quote.
According to Strauss and Corbin [ 22], theoretical data saturation refers to the point when i) no new or relevant data seem to emerge regarding a theme, ii) the theme is well developed and demonstrates variation, and iii) the relationships among themes are well established.
Those facts, derived from modern research, historical experience and evolutionary biology alike all support a clearly established theme of healthful eating for Homo sapiens rather well expressed by Michael Pollan as: "Eat food.
The theme of healthful eating is well established -- the specific winner of the never-ending my-diet-can-beat-your-diet beauty pageant is not.
This well established family tree is necessary because the novel's central theme is genetic and environmental inheritance.
By 1931, Josephine Baker had been the toast of Paris for six years, fashion and interior design depicted primitivist themes and a romantic mythology of colonial life was already well established.
Indeed, some themes, such as freedom and community, may stand in tension, a phenomenon well established in the history of human rights discourse (Grant & Gibson, 2013).
Ellmann says that The Importance of Being Earnest touched on many themes Wilde had been building since the 1880s the languor of aesthetic poses was well established and Wilde takes it as a starting point for the two protagonists.
Qualitative analysis with content coding and identification of themes will be conducted for the focus group and patient interview data using well established criteria to maintain trustworthiness and credibility of analysis processes and findings [ 20].
