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Laboratory Replication of Scientific Discovery Processes

Author: CARNEGIE-MELLON UNIV PITTSBURGH PA ARTIFICIAL INTELLIGENCE AND PSYCHOLOGY PROJECT; Qin, Yulin; Simon, Herbert A.
Publisher: 1989-04-30
Edition/Format:   Downloadable archival material : English
Database:WorldCat
Summary:
Fourteen subjects were tape recorded while they undertook to find a law to summarize numerical data they were given. The source of the data was not identified, nor were the variables labeled semantically. Unknown to the subjects, the data were measurements of the distances of the planets from the Sun and the periods of their revolutions about it -- equivalent to the data used by Johannes Kepler to discover his Third  Read more...
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Genre/Form: Text
Material Type: Internet resource
Document Type: Internet Resource, Archival Material
All Authors / Contributors: CARNEGIE-MELLON UNIV PITTSBURGH PA ARTIFICIAL INTELLIGENCE AND PSYCHOLOGY PROJECT; Qin, Yulin; Simon, Herbert A.
OCLC Number: 832091458
Language Note: English
Notes: text/html

Abstract:

Fourteen subjects were tape recorded while they undertook to find a law to summarize numerical data they were given. The source of the data was not identified, nor were the variables labeled semantically. Unknown to the subjects, the data were measurements of the distances of the planets from the Sun and the periods of their revolutions about it -- equivalent to the data used by Johannes Kepler to discover his Third Law of planetary motion. Four of the 14 subjects discovered the same law as Kepler did (the period varies as the 3/2 power of the distance), and a fifth came very close to the answer. The subjects' protocols provide a detailed picture of the problem-solving search they engaged in, mainly, but not exclusively, in the space of possible functions for fitting the data, and provide explanations as to why some succeeded and the others failed. The search heuristics used by the subjects are similar to those embodied in the BACON program, a computer simulation of certain scientific discovery processes. Keywords: Scientific discovery; Learning; Search; Cognitive processes.

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