Application of Systemic-Structural Activity Theory to Design by Gregory Z. Bedny

By Gregory Z. Bedny

This ebook deals analytical tools for learning human paintings in ergonomics and psychology which are just like ones used by the engineering sciences. SSAT deals not just new qualitative but additionally formalized and quantitative tools of research. This publication will describe quantitative tools of job complexity and reliability overview, program of queuing thought, and so on. The ebook also will current new info within the sector of potency of work strength and its evaluation.

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For example, what happens if I perform this particular course of actions? A subject can check his or her instrumental hypothesis mentally or practically, abandon this hypothesis, and formulate a new one. If the subject formulates a new goal of task, 24 Application of Systemic-Structural Activity Theory it leads to a completely new task. Moreover, the user can formulate not only the final goal of the task but also a number of intermittent goals that depend on a selected strategy of task performance, which is a subgalling process of breaking down the overall goal of the task into smaller goal-directed steps.

Each type of prediction includes a certain structural combination of mental processes, under the leadership of one of them. There are two types of expectations: the subsensory type and the set. Anticipation can be of four types: sensory-perceptual, perceptual, imaginative, and verbal-logical. We can present predictive mechanisms of human activity in the following way: 1. Types of expectations: (a) subsensory and (b) set 2. Types of anticipations: (a) sensory-perceptual, (b) perceptual, (c) imaginative, and (d) verbal-logical The more complex types of anticipation are the last two (imaginative and ­verbal-logical).

In the second case, we speak about conscious Activity Theory and the Vector Motive → Goal as Its Basic Concept 31 goals or even well-realized motives. If two motive → potential goal vectors have approximately similar and at the same time high-intensity potential engrams, there is conflict of motives. When one vector begins to dominate over the other, the person begins to perform work in accordance with the chosen vector. The selected vector, the need → potential goal vector, is transformed into the motive → potential goal vector, and at the final steps, the predominant vector is transformed into the vector motive → goal.

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