In educational interactive screens, touchscreens serve as human-machine interfaces, and their touch gesture functionality is a core element in enhancing the teaching interaction experience. The importance and functional design of touch gestures must be tailored to the specific needs of educational scenarios.
1. The Importance of Touch Gestures
(1) Intuitive Interaction, Lowering the Learning Curve
Gesture-based operations align with human natural interaction habits (such as swiping and zooming), making them particularly suitable for children or users with limited technical proficiency, as they can be used without complex training.
Educational application: Young children can drag and drop puzzle pieces or swipe to turn pages, focusing directly on the content rather than the operation method.
(2) Enhancing Classroom Efficiency and Engagement
Multi-gesture support (such as multi-finger collaboration) accelerates operations (e.g., quick page switching, annotations), reducing teaching interruptions.
Research Support: Microsoft's “Interactive Technology in Education” report shows that gesture interaction improves efficiency by 30% compared to traditional clicks, and extends students' attention span by 20%.
(3) Catalyst for Collaborative Learning
Support for simultaneous multi-user gesture operations (such as dual-screen writing) promotes group discussion and interaction, aligning with STEAM education principles.
2. Typical Gesture Functions of Educational Interactive Screens
(1) Basic Gestures (General Operations)
Single-click/long-press: Select an object or bring up a context menu (e.g., long-press to display pinyin annotations).
Double-click: Quickly zoom in on a specific area (e.g., map details) or confirm an operation.
Drag: Move objects (e.g., geometric shapes), scroll pages, or adjust timelines.
Pinch-to-zoom: Adjust the scale of images/maps, supporting dynamic sensitivity (e.g., zooming in on cell structures in lesson materials).
(2) Teaching-Enhancing Gestures
Multi-finger swipe (three-finger horizontal swipe): Quickly switch between lesson material pages without interrupting the teaching rhythm.
Palm erase: Erase ink marks with the side of your palm (simulating a chalkboard eraser), suitable for temporary annotation corrections.
Area selection: Draw a circle with your finger to select multiple objects (e.g., ions in a chemical equation) for batch operations.
Gesture shortcut keys:
Draw a “△” to trigger the screenshot tool;
Draw a “/” to insert a page break (commonly used in essay classes).
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