Anxiety storm: creating a playful prevention program against performance anxiety in primary school. - Ralf Schmidt; Stephanie Scheja; Thanh Thu Lam; Maic Masuch (IDC, 2015)

Motivational design cards: a practical approach for game-based motivational design at the workplace. - Ralf Schmidt; Burkhard Schmidt 002; Katharina Lattenkamp; Stephanie Scheja; Maic Masuch (MindTrek, 2015)

Play-persona: a multifaceted concept. - Stephanie Scheja; Ralf Schmidt; Maic Masuch (MindTrek, 2016)