I would start by looking at the Stadia dev website https://stadia.dev/ that has some information that might well be of use to your school research project.
With regards to security/privacy concerns, then you can look at the Stadia Privacy Policy and see if any of the items listed are a concern or not.
When you play a game on Stadia, Google may share certain data with the game publisher to support gameplay, enable in-game functionality, investigate problems, facilitate improvement of Stadia or the game and provide customer support. This information may include:
I would start by looking at the Stadia dev website https://stadia.dev/ that has some information that might well be of use to your school research project.
With regards to security/privacy concerns, then you can look at the Stadia Privacy Policy and see if any of the items listed are a concern or not.
When you play a game on Stadia, Google may share certain data with the game publisher to support gameplay, enable in-game functionality, investigate problems, facilitate improvement of Stadia or the game and provide customer support. This information may include: