Humanlike Features of Robots Are Preferred by Most People
A recent University of Auckland study has measured the reactions to different degrees of humanlike features on a robot's display screen.
The majority of participants (60 per cent) preferred a robot displaying the most humanlike skin-coloured 3D virtual face over a robot with no face display (30 per cent) and a robot with silver-coloured simplified human features (10 per cent).
As technology advances 'socially assistive' robots are being developed for healthcare. This includes as helpers for older people and at medical centres, in roles such as monitoring blood pressure.
"It's important for robot designers to know how to make robots that interact effectively with humans, so that people feel comfortable interacting with the robots," says study leader, Dr Elizabeth Broadbent from the University's Department of Psychological Medicine. "One key dimension is robot appearance and how humanlike the robot should be."
She says the study tested how appearance affected people's perceptions of the robot's personality and mind. They also tested people's perception of the robot's eeriness, (or the uneasy feeling or strangeness people experience when interacting with the robot). Researchers found that participants' perception of the robot as unsociable and unfriendly was related to seeing it as more eerie. The study was a collaboration between researchers in health psychology and in robotics from The University of Auckland.
The study aimed to understand the impact of robots with screens and give developers some advice about the design of faces for screen display, says Dr Broadbent.
Study participants interacted with each of the three types of robots in a random order while it helped them use a blood-pressure cuff and measured their blood pressure. Participants then rated the robots' mind, personality and eeriness each time.
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