The Importance Of Acknowledgements

The greatest frustration when talking to Siri is you have no idea how much the system has “heard” your  sentences. This detail often leaves users repeating themselves, confused and frustrated. Though “listening” and “loading” animations indicate the process of the program, it just doesn’t feel enough like a message is getting through..

In conversation,  we as human, are constantly exchange acknowledgments. We nod, or say “Yeah,” or“O.K.” when responding to a partner talking. As a result, our conversational partner understands if we  are following, or paying attention. These  examples are just the tip of the acknowledgment iceberg: On the whole, we express acknowledgment through voice, tone, expression, gesture, eye gaze, timing, and a range of small, unconscious muscle movements. These cues add up to a subtle communicative exchange.

Acknowledgments do not require thinking. In fact, they are often made before we have thought about the information we just received. Like a nature reflection, acknowledgments display if we are engaging a conversation. It is such a natural and wonderful system even when you intentionally try to turn it off, you just cannot. And there is something really satisfying about getting an instant response from your interaction partner.

Technology designers are aware of the importance of steady acknowledgments in communication, and have been trying to reproduce the behavior since the dawn of the computer. The clicking  sounds of keys and buttons, the blinking lights, the animated “loading wheels”—these are the kinds of“artificial acknowledgments” we receive from computers. And for a moment, they seemed to function just well enough.  But then came voice interfaces such as Siri, Cortana, Echo and etc. By trying to make interaction seamless and more human, they in fact made it much harder to use by cutting out visual cues.

The very advances in talking computers have made their failure to offer subtle cues stand out so starkly. By trying to resemble natural of human interaction,  the the voice interface allow us to build a high expectation that computer to be able to communicate as fluidly and expressively as humans. However, because of the minimal feedback we receive, we find it hard to tell if the computer is engaging with us and whether we should  pause so the programs can “catch up with their thoughts.”No matter how human it sounds, it fails to give the instant satisfaction that comes from seeing a conversational partner nod.

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