Conversational Design — UXTALK #25

Conversational User Interfaces (CUI) and how to use them — Dr Ilaria Vitali

By definition, a conversational interface uses conversation as a form of interaction but not all interfaces that use language can be defined as “conversational“.

By definition, a conversational interface uses conversation as a form of interaction but not all interfaces that use language can be defined as “conversational“.

Indeed, in such cases, it appears more appropriate to talk about “Voice User Interface” (VUI), a sub-category of the wider area of “natural user interfaces”(NUI), UIs that make use of human language.

So, when AI systems can be considered “Conversational Objects”?

“Conversational Objects” born as Chatbots

Voice User Interfaces & Personal Assistants

Embodied Conversational Agents (ECA)

Conversational smart products (ConvSP)

How is the UX of a CUI different from a Graphical Interface?

  • GUIs are spatial while CUIs are temporal and sequential: Talking time, and speech is produced one word at a time in a specific order. This is why conversation may not always be the quickest way to reach a certain goal
  • CUIs/VUIs are dynamic and transient: Speech sequences are always changing, and they may leave no permanent recording of what was said. Navigation may be an issue as it relies on user memory.

Studying different materials through 3D Printing to improve the UX of running for marathoners — Paolo Boni

The phenomenon from which this user need arises is that of “hitting the wall”, a physical and psychological state encountered by athletes around the 30th km of running.

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