Publication statistics

Pub. period:1971-1984
Pub. count:5
Number of co-authors:1



Co-authors

Number of publications with 3 favourite co-authors:

N. J. T. A. Kramer:1

 

 

Productive colleagues

John P. van Gigch's 3 most productive colleagues in number of publications:

N. J. T. A. Kramer:1
 
 
 

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John P. van Gigch

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Publications by John P. van Gigch (bibliography)

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1984
 
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Gigch, John P. van (1984): Epistemological Questions Raised by the Metasystem Paradigm. In International Journal of Man-Machine Studies, 20 (5) pp. 501-509.

The metasystem paradigm attempts to resolve epistemological issues which have existed from the beginning of time. These issues are recalled here to provide readers and scholars with a list to which they can refer when working in quest for possible answers.

© All rights reserved Gigch and/or Academic Press

1981
 
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Gigch, John P. van and Kramer, N. J. T. A. (1981): A Taxonomy of Systems Science. In International Journal of Man-Machine Studies, 14 (2) pp. 179-191.

A taxonomy of Systems Science is proposed based upon criteria by which the validity of results is evaluated and by which the systems conceptualization is defined. Based on this classification, four main categories of General Systems Theory are postulated, their characteristics outlined and scholars of each branch named. The problems which Systems Science attempts to solve and the ideal of a unity of science are discussed.

© All rights reserved Gigch and and/or Academic Press

1979
 
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Gigch, John P. van (1979): A Methodological Comparison of the Science, Systems and Metasystem Paradigms. In International Journal of Man-Machine Studies, 11 (5) pp. 651-663.

1971
 
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Gigch, John P. van (1971): Changes in the Mental Content of Work Exemplified by Lumber Sorting Operations. In International Journal of Man-Machine Studies, 3 (1) pp. 13-29.

Jobs in the Forest Products Industry, and in particular those associated with the process of lumber sorting, are used to illustrate the effects of technological change on the physical and mental contribution required from operators on their job. The mental effort of men sorting lumber by hand is compared to that of other workers operating mechanical sorting equipment. The measures used for this purpose are derived from a model which calculates the amount of information, in the Information Theory sense, which is transmitted in the human communication channel during the performance of processes of various degrees of complexity called "mental therbligs". In order to evaluate the effects of technological change on the requirements of work, comparisons are made in terms of information processing rates, cycle repetition rates and other entropic measures. It is concluded that the changes brought about by mechanization and automation must be considered in the context of the total worker's contribution to his job, that is, in terms of physical as well as the mental demands made upon him. Otherwise, only a partial view of the impact of the redesign of work is obtained.

© All rights reserved Gigch and/or Academic Press

 
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Gigch, John P. van (1971): A Process Computer's Contribution to the Reduction of Mental Effort and to the Handling of Systems Malfunctions. In International Journal of Man-Machine Studies, 3 (3) pp. 201-218.

The information functions performed by an operator in charge of a continuous process operation are compared for conditions with and without computer assistance. The operator's mental contribution is studied in the context of a model of integrative behavior which considers the information functions which take place in the individual's communication channel. The amount of information, in the Information Theory sense, which is transmitted in the performance of mental therbligs, is compared for two modes of operation -- automatic control with and without computer assistance. The comparison entails a consideration of the total entropy displayed by the system and the operator's information processing rates for various operating conditions. The role of the computer is discussed when information surges due to systems malfunctions occur. Response times are proposed as important measures of system's worth. In certain instances, response times are shown to increase with system's complexity and the case is made for adding auxiliary systems, including process control computers, which would be designed in such a way so as to handle the information overloads which occur during emergencies.

© All rights reserved Gigch and/or Academic Press

 
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