The developmental psychologist and genetic epistemologist, Jean Piaget, investigated the cognitive development of children. He identified four stages from the sensorimotor period, culminating at 2 ...

The Lotus Theory 1 is not that. This concept car is an actual sign of things to come. It has toys on board that actually work, and features that could appear on future cars.

The Lotus Theory 1 electric concept will act as the starting point for the company's future production cars. It's a back-to-basics thrill-inducing EV with a central driving position and three seats.

The spatial component of development is critically reviewed in the cotext of regional growth theory, growth centre, or growth pole theory, and development viewed as an innovation process.

Shared development comes last, not because it is least important, but because it requires the success of the first four development concepts.

This paper suggests several steps towards developing an explicit theory of change for a community-driven development (CDD) interventions.

Richard B. Andrews, Mechanics of the Urban Economic Base: The Base Concept and the Planning Process, Land Economics, Vol. 32, No. 1 (Feb., 1956), pp. 69-84 ...