Home Appliance

Dishwasher Rack Usability Test

Method/Process: Interview & Usability Test & UX Score

Liam Miao 5 min. read

Business Question

The client designed a new rack which has several unique design features. The new rack aims to bring more flexibility to users.

This study was conducted to understand whether consumers could sense the real benefits brought by these new design features and to identify relevant usability issues. By understanding consumers’ behaviors and patterns of putting tableware, the study also helped to refine the rack design for more effective and efficient use.

Approach

10 participants were invited for this study. Half were current users of dishwasher and half were intenders.

Two dishwashers were tested in each session. One was featured with the new rack and the other one had the current rack.

Participants conducted 4 scenario-based tasks on each dishwasher. After each task completion, participants gave ASQ ratings regarding the satisfaction of completing the task. After finishing all the tasks for one dishwasher, participants gave ratings on UEQ, SUS and UX Score questionnaire. Time on task was also collected for the last task where participants needed to put all the tableware into the dishwasher.

[Field Work Photo]

Outcome

The test concluded that the new rack design is overall considered better than the current rack. Especially intenders felt more convenient to put tableware in it.

However, the new rack lacked in a creative and professional sense, which might lower consumers’ purchase willingness before they could have real interaction with it.

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