The media-diet-browser-ext is a free add-on designed for Chrome that facilitates practice sessions for participants onboarding in future Human-Computer Interaction (HCI) studies at Stanford University. This tool provides users with a structured environment to familiarize themselves with study protocols and expectations. It aims to enhance the onboarding experience by offering a user-friendly interface and straightforward navigation, making it easier for participants to engage with the study materials.

This browser extension is categorized under 'Add-ons & Tools' for browsers, emphasizing its utility in enhancing the web browsing experience specifically for research purposes. By optimizing the onboarding process, it helps streamline participant preparation, ensuring they are well-prepared and informed ahead of their involvement in HCI studies. This focus on user experience aligns well with the overall goals of HCI research.