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首页> 外文期刊>International Journal of Industrial Ergonomics >Designing product feature upgrades: The role of user processing and design change
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Designing product feature upgrades: The role of user processing and design change

机译：设计产品功能升级：用户处理和设计更改的作用

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Objective: This paper aims to examine user performance changes based on user processing level and changes made to a task during a product upgrade. Background: User processing level is defined as the type of cognitive processing a user employs to complete a task and is identified as either controlled or automated. Changes to a product task are categorized into three types: omission (removal of a step), commission (addition of a step), and sequence (new order of steps). Method: Participants completed tasks on a computer-based inventory management program. The tasks were designed to represent the three types of design changes and two levels of user processing. Example tasks included adding inventory to the system and auditing an inventory level. Performance time and errors were recorded. Results: The results indicate a difference in user performance based on processing type: participants adapted to changes in the program more readily when using controlled processing as opposed to automated processing. The variance of user performance was greater for tasks that required controlled processing. Design changes were most readily adapted to with a change of sequence. Tasks that were altered using omission and commission caused a greater negative effect on the participants' performance. Conclusion: When using automated processing, users can more readily adapt to design changes of sequence when compared to other types of design changes. Moreover, users' recovery rates are higher when using controlled rather than automated processing. Relevance to industry: When upgrading consumer products, designers should be mindful of the way tasks are changed, particularly for common automated tasks, which will allow users to more easily adapt to upgraded products.
机译：目的：本文旨在根据用户处理级别和产品升级过程中对任务所做的更改来检查用户性能更改。背景：用户处理级别定义为用户用于完成任务的认知处理类型，并被识别为受控或自动化。对产品任务的更改分为三种类型：遗漏（删除步骤），委托（添加步骤）和顺序（新步骤顺序）。方法：参与者在基于计算机的库存管理程序上完成了任务。这些任务旨在代表三种类型的设计更改和两个级别的用户处理。示例任务包括向系统添加清单和审核清单级别。记录执行时间和错误。结果：结果表明基于处理类型的用户性能有所不同：与自动处理相比，参与者在使用受控处理时更容易适应程序的更改。对于需要受控处理的任务，用户性能的差异更大。设计变更最容易适应序列变更。使用疏忽和委托更改的任务对参与者的表现产生更大的负面影响。结论：与其他类型的设计更改相比，使用自动化处理时，用户可以更轻松地适应序列的设计更改。此外，使用受控而非自动处理时，用户的恢复率更高。与行业的相关性：升级消费类产品时，设计人员应注意任务的更改方式，特别是对于常见的自动化任务，这将使用户更容易适应升级后的产品。

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