CARRIER

About the Platform

Carrier is a web-based experimental research platform designed to facilitate interactive studies involving human participants, AI assistants, and scripted bots.

Key Features

• Multi-Participant Studies - Real-time matching and group interactions
• AI Integration - LLM-powered assistants with customizable behavior
• Flexible Surveys - Survey.js integration for data collection
• Real-time Communication - Text, audio, and video chat capabilities
• Session Persistence - Automatic session recovery after disconnections
• Live Monitoring - Real-time dashboard for experiment oversight

Technology Stack

Built with Node.js, Express.js, Socket.io, and MongoDB. The platform uses WebRTC for video/audio communication and Survey.js for dynamic survey rendering.

Research Applications

Carrier enables diverse experimental designs including:

• Human-AI collaboration studies
• Group communication experiments
• Multi-stage longitudinal studies
• Controlled conversation experiments

Developed At

University of Bath
Department of Computer Science
2026