![]() ![]() Hence, how to go about performing testing can be a delayed deliberation task. HCI testing often occurs at a later stage of HCI design and development. We conclude the paper with a large-scale field test conducted in Taiwan. In the following sections, we will document the different perspectives taken by the panel members, which covers both the perspectives of academicians and practitioners on HCI testing. Building on this proposition, we ask: what are the operational considerations for field testing? This panel takes a slightly different perspective by starting with the proposition that field testing is preferred due to the ability to more realistically test an HCI design. Two other considerations include (1) whether the artifact is revolutionary/disruptive in nature and (2) company culture and propensity toward opening up the artifact for early field-testing, among others. For example, it is viewed that a laboratory is suitable for testing a user interface and assessing an artifact’s usability while field is an appropriate setting for evaluating the acceptance of the artifact and its associated functionalities. Whether to conduct a testing in laboratory or field setting is often based on the nature of the artifact itself. Through the latter (i.e., actual usage), the HCI designers are able to better understand how an HCI artifact is utilized and valued by the target audience. While closed-door laboratory testing enables testers to have greater control over the course of testing, field testing narrows the gap between the intended usage of the artifact and its actual usage. Among many considerations, two prominent testing choices that a designer faces are (1) closed-door laboratory testing, or (2) field testing which is carried out in a setting that is more open. By having human subjects to physically test and use the artifact, HCI designers are able to validate the usability of an artifact and identify opportunities for further design improvements. HCI testing is an integral part of an HCI design and development process. ![]()
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