Data collection with NoldusHub
Combining multiple types of measurements can be challenging, especially when you use several acquisition tools that have to be calibrated and started. NoldusHub® simplifies this process by tackling these technical challenges for you.
NoldusHub is at the heart of your data collection. The system collects data from a webcam, eye-tracking device and several physiological devices. The diverse range of signals and behavioral inputs you can measure provides valuable insights into human behavior.
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How does NoldusHub work?
NoldusHub streamlines data collection, making it remarkably easy for users. A common reaction from first-time users is, "Wow, I can't believe how simple this is!"
With just a few clicks, you can access all your synchronized data effortlessly. The system integrates data from a webcam, eye-tracking device, and various physiological sensors. With these, you can measure a variety of signals and behavioral input, from facial expressions, gaze and fixation to physiological measures and responses:
- Facial expressions
- Gaze and fixation
- Audio, video, screen captures, and more
What data can you collect with NoldusHub?
Facial expressions
Facial expressions provide lots of insight into someone's emotional state. Basic expressions can be analyzed, such as happy, sad, angry, and surprised, as well as a neutral state. In addition, NoldusHub can measure mental states interest, boredom, and confusion.
AV & screen capture, and event marking
Postures, movements, nonverbal and verbal behavior - all can be observed to get a complete insight into the participants behavior, responses, and motivations. See which images, video, or website the participant is watching during a test. You can mark events of interest during or after the recordings, using a self-created markerlist.
Heart rate (HR) and Interbeat interval (IBI)
Detect changes in physiological measures and find out whether a test participant is active, or excited or scared. Choose ECG or the less invasive PPG, depending on your research needs.
Gaze and fixation
With the use of an stationary eye tracker, you can observe the test participant’s gaze on a computer screen to get rich, quantitative, and reliable data for attention, mental load, and arousal.
Skin conductance peak rate
Electro dermal activity (EDA) - By measuring skin conductance peak rate, a physiological response not under conscious control of the participant, you get an indication of psychological arousal. For instance, whether a person is anxious or startled by a trigger.
Integrating multiple data streams using an AV lab
Are you interested in performing unobtrusive observations in a controlled environment? Then an Audio Video lab might be the tool for you! With multimodal measurement you can gain deeper insights into implicit responses and mental processes.
It is vital that different data streams are recorded synchronously or can be easily synchronized after data acquisition. Solutions such as Viso, NoldusHub and The Observer XT make that happen. In this video we'll tell you all about why an AV lab is a great tool when you want to obtain data out of multiple data streams.
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We’re passionate about helping you achieve your research goals. Let’s discuss your project and find the tools that fit.
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