منابع مشابه
Perception as substitute trial and error.
The Darwinian concept of random variation and natural selection through differential survival provides a general model for the deterministic description of adaptive phenomena. Recently this model has seen increased application to the adaptive phenomena described by psychologists as problem solving or learning. It is the purpose of this paper to suggest the application of the model to a third le...
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The development of sensor-actuator systems that can provide the user with perception of the environment without any use of the eyes is a difficult task. Firstly, the sensors must work effectively under differing conditions. Secondly, the actuators (or auditory feedback) must present the environmental information to the user in a manner that is easy to understand. Thirdly, the whole system needs...
متن کاملOxyphenonium as an Atropine Substitute.
To the Editorial Committee of the BRITISH JOURNAL OF OPHTHALMOLOGY SiRs-In my recent article on the use of oxyphenonium as an atropine substitute (Roper-Hall, 1957) I stated that a previous atropine substitute, Lachesine, had been withdrawn from production. This was true at the date when the article was written in November, 1956, but I have recently learned that Lachesine is now being manufactu...
متن کاملUsing Scrap Tires in EAFs as a Substitute for Carbon
EAF plants normally consume coal and coke as reactants, alloying elements, or fuel. The price of these materials varies from € 0.20-0.35/kg. This is while nearly 10 million pieces of tires are annually discarded in Iran. The present study shows that scrap tires can be used as a substitute for coal and coke in EAF plants. Thirteen grades of steel including low, medium, and high carbon steels as ...
متن کاملLearning by trial and error
A person learns by trial and error if he occasionally tries out new strategies, rejecting choices that are erroneous in the sense that they do not lead to higher payoffs. In a game, however, strategies can become erroneous due to a change of behavior by someone else. Such passive errors may also trigger a search for new and better strategies, but the nature of the search is different than when ...
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ژورنال
عنوان ژورنال: Psychological Review
سال: 1956
ISSN: 1939-1471,0033-295X
DOI: 10.1037/h0047553