Why Multimodal Redundancy Improves Passenger Compliance within an airport environment

Multimodal Redundancy Reduces Missed Information

Using multiple channels—visual signs, audio announcements, text messages, and staff prompts—creates overlapping paths for the same instructi

Why Multimodal Signals Help Passenger Compliance

Using multiple modalities visual, auditory, haptic supports different cognitive and perceptual systems, so information is processed along co

Increased Salience and Urgency

Redundant multimodal cues — for example, combining flashing lights with a verbal announcement — amplify perceptual prominence by engaging mu

Accommodates Individual Differences

Multimodal redundancy—presenting the same message through multiple channels visual text, icons, audio, and tactile cues—ensures travelers wi

Enhances Trust and Perceived Legitimacy

When the same safety or procedural message is delivered through multiple channels—signage, announcements, staff guidance, and digital notifi

Enables Error Correction and Confirmation

When the same information is presented across different sensory channels — for example, a publicaddress announcement paired with a text aler

Why Mayer’s Multimedia Learning Supports Multimodal Redundancy in Airports

Richard E. Mayer’s Multimedia Learning 2009 synthesizes cognitive theory and empirical findings about how people learn from words and pictur

Relevance of Wickens & Hollands (2000) to Multimodal Redundancy and Passenger Co...

Wickens and Hollands’ Engineering Psychology and Human Performance provides foundational theory on human information processing, attention,

Why Steinfeld & Maisel’s Universal Design Is Relevant to Multimodal Redundancy i...

This path eventually reaches Evaluation Imperative — Why Selective Redundancy Should Be Evidence‑Driven.

Why Cialdini’s Influence Explains Multimodal Redundancy Improving Passenger Comp...

Robert Cialdini’s Influence: Science and Practice 2009 identifies several fundamental principles that reliably change people’s behavior—prin