Behavioral Sensors

• Cameras: Analyze posture, gestures, and micro-expressions to identify engagement or confusion.
• Microphones: Record speech elements such as tone, speed, or volume.
• Eye-Tracking Devices: Trace visual attention on learning materials or instructor displays.
• Touchscreens and Keyboards: Log typing speed, error rates, or usage patterns.
• Wearable Devices: Collect aggregated data like physical activity or movement, adding contextual support to a classroom profile.