Physiological explanations of human behaviour that depend on the concept of primary motives (derived from research with rats or dogs) run into difficulties in view of the fact that primary motivation and reward do not appear to be critical in most studies of human skill acquisition.
We have examined the hierarchical structures of correlations networks among Turkey's exports and imports by currencies for the 1996 2010 periods, using the concept of a minimal spanning tree (MST) and hierarchical tree (HT) which depend on the concept of ultrametricity.
Such targeted treatments depend on the concept of gene addiction (to over-expressed oncogenes and/or reduced non-oncogenes) as a driving force in tumor initiation and progression.
Due to these three paradoxes, only positive definitions of what 'global health' includes seem to be possible, while negative definitions of what it does not include are highly questionable and depend on the concept of 'global' and frames of 'health'health
The study of the relationship between stress and depression depends on the concepts and models used for defining stress and depression.
Variation between tools depended on the concepts studied, format and application, and aspects evaluated.
However, as several concepts can be assigned to each text description, a case may be assigned both SPV Tags (i.e. both 'Work SPV Tag' and 'Other Activity SPV Tag') with different probabilities of group membership depending on the concepts identified.
The scientific rigour and validity of the approach depends on the concept of triangulation, with data collection from one source being validated or rejected by checking it with data from at least two other sources or methods of collection.
The proof of Thomson's theorem depends on the concept of circulation, which Thomson introduced.
The concept of a highbrow culture, the culture of great books and the like, depends on the concept of a lowbrow, or popular, culture, whose characteristics highbrow culture defines itself against.
