Toward a theory of punctuated subsistence change

Toward a theory of punctuated subsistence change.

Discourse on the origins and spread of domesticated species focuses on universal causal explanations or unique regional or temporal trajectories. Despite new data as to the context and physical processes of early domestication, researchers still do not understand the types of system-level reorganizations required to transition from foraging to farming. Drawing upon dynamical systems theory and ...

Explaining information systems change: a punctuated socio-technical change model

Received: 23 July 2008 Revised: 1 October 2008 Accepted: 6 October 2008 Abstract We outline a Punctuated Socio-Technical Information System Change model. The model recognizes both incremental and punctuated socio-technical change in the context of information systems at multiple levels – the work system level, the building system level, and the organizational environment. It uses sociotechnical...

Self-efficacy: toward a unifying theory of behavioral change.

The present article presents an integrative theoretical framework to explain and to predict psychological changes achieved by different modes of treatment. This theory states that psychological procedures, whatever their form, alter the level and strength of self-efficacy. It is hypothesized that expectations of personal efficacy determine whether coping behavior will be initiated, how much eff...

Egypt’s Policy on Islamism and Islamic Extremism The punctuated equilibrium theory perspective on Egyptian policy change

Toward Evolutionary Innovation Theory

Abstract: Innovations, commercialized by new or old established firms, located at the core of industrial renewal process. The innovation concept has suffered transformations, along with the evolution of the models that try to explain and understand the innovation process. The innovative process corresponds to all activities that generate technological changes and the dynamic interaction between...