Where can you find transmedia studies on role-playing games?
Defining Transmedia: What Precisely Does This Imprecise Term Mean?
Transmedia Storytelling is the technique of conveying a single story or story experience using multiple media across multiple platforms.
When a storyteller uses this technique, the audience experiences the story through multiple story elements presented with various media on various platforms. Each of these elements makes a unique and indispensable contribution to the overall story, collectively creating one coherent narrative.
Find studies on this topic, and learn more in the RPG Research Knowledgebase 4.0.