Trigger-Point 发表于 2025-3-28 14:41:05
What Are the Main Components of the System?control over the machine, or to enter data or receive information from the machine. This means that the devices that support the interaction across this interface will fall into two classes: input and output, synomonous with control and display (at least as far as the human is concerned). If we makemaladorit 发表于 2025-3-28 22:14:43
How Will the System Be Designed?ation, approved standards, and project management, but in general it wili be an iterative process, involving a number of stages. Many life cycles representing the design process are to be found in the literature; some of the more frequently cited will be presented in this chapter. It is worth pointiblister 发表于 2025-3-29 02:28:21
How Well Do the Users Think the System Works?a number of methods available that allow us to measure User opinion. Reliability, validity and ethical considerations have important implications for the success of these subjective methods. Reliability refers to the internal consistency of a measure, i.e. its repeatability and the probability of ob删减 发表于 2025-3-29 05:21:31
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How Well Does the System Under Development Work?igator has more control over the variables and influences that may affect the outcome of the method. However, a price for this amount of control is paid in time, effort and resources, as empirical methods often incur substantial costs in their setting up, data collection and analysis. A further outcFlatter 发表于 2025-3-29 15:25:10
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How Can the System Be Introduced Into a Workplace?rganisation’ is not easy, due to its diverse and complex nature, determined and exacerbated by the behaviour of the people who work in it. Arnold et al. (1995) made some observations about ‘organisations’ which provide a good starting point to inform the definition of the workplace:Noctambulant 发表于 2025-3-29 23:37:02
How Will the System Be Used in the Workplace?design really begins when the User first encounters the product. This statement might appear confusing or misguided to many readers. However, if one remembers the assumption that a system comprises people and objects in a work domain, then it is possible to See some sense in it. Clearly any product