Abstract
Abstract In the scientific methodology of Karl Popper the following deductive sequence is stressed: initial problems, tentative solutions, error elimination, resultant problems. This sequence produces two difficulties, concerning the source of the initial problems and the criteria for testing the proposed solutions. Discussion of these problems is relevant to geography, where they have arisen as in any other science. Particularly relevant to geography is Popper's scheme of the “three worlds”: World 1, objective reality; World 2, subjective consciousness and appraisal; World 3, objective knowledge. Geographers study not merely World 1 but rather its logical articulation in World 3. Acceptance of such a scheme helps to reduce not only any supposed dichotomy between physical and human geography but also any supposed division between field workers and so‐called “armchair” geographers. The open‐ended approach of Poppsr's deductive sequence leads naturally to the problems of prediction and planning. The Popperi...
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