“A set of logical constructs that jointly offer answers to the questions ‘why’ and ‘how,’ as in ‘why would someone change their behavior in this way?’ and ‘how could this behavior/situation/outcome be changed”
A set of interrelated concepts, definitions and propositions that presents a systematic view of events or situations by specifying relations among variables in order to explain and predict the events or situations
A “dense[r]” and logically coherent set of relationships
Provides views on causal relationships
Seeks to explain, predict and control phenomena
Sales A, Smith J, Curran G, Kochevar L. Models, strategies, and tools. Theory in implementing evidence-based findings into health care practice.J Gen Intern Med. 2006 Feb;21 Suppl 2:S43-9.
Kitson AL, Rycroft-Malone J, Harvey G, McCormack B, Seers K, Titchen A. Evaluating the successful implementation of evidence into practice using the PARIHS framework: theoretical and practical challenges.Implementation Science 2008, 3:1 (7 January 2008)