The implications of the concept “objective knowledge” proposed by Karl Popper to information science is discussed. This concept has no relation to objective truth, the ordinary meaning for the term of objective knowledge. Popper's “objective knowledge” is one that has objective reality itself.
B. C. Brookes insists that “objective knowledge” is the primary subject for information science, and many information scientists, including S. D. Neill, agree with him. On the other hand, D. Rudd criticizes it for the reason that the theory of “objective knowledge” neglects sociological and psychological aspects of knowledge, that is, “subjective knowledge” in Popper's schema. According to Neill, however, it is possible to investigate “objective knowledge” and “subjective knowledge” at the same time.
The conclusion is that in spite of the significance of the criticism made by Rudd, it is useful to evolve the theory of “objective knowledge” in information science. Finally, it is suggested that the theory may contribute to the establishment of information-centered cosmology.
© 1987 三田図書館・情報学会© 1987 Mita Society for Library and Information Science
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