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1. PAUL EKMAN FACIAL ACTION CODING SYSTEM HAPPINESS PROFESSIONAL
2. PAUL EKMAN FACIAL ACTION CODING SYSTEM HAPPINESS FREE

✔ Observation alone allows information to be gathered. ✔ A micro-expression can be linked to an emotion but also (admittedly less objectively) be interpreted according to an intensity scale. ✔ By communicating their emotional states, users also communicate their probable behaviour in response to these states (abandonment, rejection, etc.). Very brief (by definition), it is often easy to relate them to a specific interaction if the study support allows it. ✔ Many facial expressions reflect universal emotions, it is a message that is not transformed by culture or language. They betray the true emotions of the users. ✔ The peculiarity of micro-expressions is that they are involuntary and uncontrollable. A field survey is always a social situation in itself. ✔ A user who knows that he is being watched will tend to keep silent about certain comments he would like to make and not freely express his emotions. Cal Lightman of Lie to Me does not exist in real life. If you think you can decode the emotional states of your users on instinct, remember that even the experts of Paul Ekman’s FACS method were unable to detect and decode all of the micro-expressions expressed by a test subject. ✔ The decoding of non-verbal communication cannot be done instinctively and must be objectivated (eg laughter or tears). Micro-expressions in user testing : pros and cons Pros I realised that through the non-verbal expression of their emotions, users communicate not only their states but also their potential behaviour towards the system being tested following these states. Unable to understand what they say with words, I used the FACS method initiated by Paul Ekman (Facial Action Coding System) to analyse user’s non-verbal communication and, more specifically, micro-expressions. Thanks to the simultaneous capture of the user’s faces and their interactions with the tested system, I was able to relate these micro-expressions to the interactions. When viewing it, I realise that Spanish people tend to be very expressive and communicate a lot through body language and facial expressions. How am I going to get insights out of this user test session? So here I was, with no translator and no help and still got to do my job. But the possibility of capturing the video of the faces of the users and their interactions with the tested system.

PAUL EKMAN FACIAL ACTION CODING SYSTEM HAPPINESS PROFESSIONAL

In a professional experience I was unexpectedly sent to Spain, where I don’t speak the language, for a user testing session of a system I did not design with the promise of a translator.

PAUL EKMAN FACIAL ACTION CODING SYSTEM HAPPINESS FREE

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