The request
In Google’s CHI 2024 case study of VR inclusion training, participants asked for more agency, more conversational turns and more options for what to do next.
Branching scenarios
Every line a character says is written and reviewed before anyone puts on the headset.
Each choice leads to a scene your subject experts approved, so every learner meets reviewed material and the facilitator knows what each path covers in the debrief.
Mater Education staff practised feedback conversations this way, in a branched recreation of real hospital rooms.
The CHI authors call deeper scenarios the hardest area to improve, because every new way to respond means more branches to write.
AI characters
A generative AI character replies to whatever the learner says, so the conversation goes where the learner takes it.
More turns and more ways in, without writing each branch. PTR runs this as AI roleplay: a briefing, a live conversation, structured review against set criteria, then the same scenario again.
The CHI authors call AI characters for training unproven, needing strong guardrails so replies meet the learning objective and never turn offensive in a sensitive conversation.
NIST’s Generative AI Profile names the same risks: confident answers that are false, and harmful content.
Each roleplay is grounded in the organisation’s own policy and practice and runs within configurable guardrails, with human oversight and a clear path back to a person.
Choosing
A branch where the words must be exact; an AI partner where practice needs volume.
The wording matters, as in a disclosure, a formal notice or a clinical handover. Assessment needs every learner to meet the same situation. The topic is sensitive enough that every reply should be reviewed first.
Learners need many attempts at an open conversation, such as feedback, a complaint or a first meeting, on a laptop or phone between sessions, with a facilitator reviewing the attempts.
Together
A scripted scene in a VR headset for the moment itself, an AI partner for repeated practice, and a facilitator for the debrief.
Questions
Harm, assessment and equipment, settled before a method is chosen.
It can. Guardrails lower the risk without removing it, so PTR grounds each character in approved material and keeps a person reviewing the practice.
A branching scenario: its paths are written in advance, so each attempt can be assessed against criteria agreed before training starts.
AI roleplay runs on a laptop or phone; immersive VR uses a headset. See choosing the right technology.
Choosing how your team will practise?
The paper and the risk framework, on their own sites.

Scenario depth, and the proposed use of AI characters.

The risks a generative character must be guarded against.
The request
In Google’s CHI 2024 case study of VR inclusion training, participants asked for more agency, more conversational turns and more options for what to do next.
Branching scenarios
Every line a character says is written and reviewed before anyone puts on the headset.
Each choice leads to a scene your subject experts approved, so every learner meets reviewed material and the facilitator knows what each path covers in the debrief.
Mater Education staff practised feedback conversations this way, in a branched recreation of real hospital rooms.
The CHI authors call deeper scenarios the hardest area to improve, because every new way to respond means more branches to write.
AI characters
A generative AI character replies to whatever the learner says, so the conversation goes where the learner takes it.
More turns and more ways in, without writing each branch. PTR runs this as AI roleplay: a briefing, a live conversation, structured review against set criteria, then the same scenario again.
The CHI authors call AI characters for training unproven, needing strong guardrails so replies meet the learning objective and never turn offensive in a sensitive conversation.
NIST’s Generative AI Profile names the same risks: confident answers that are false, and harmful content.
Each roleplay is grounded in the organisation’s own policy and practice and runs within configurable guardrails, with human oversight and a clear path back to a person.
Choosing
A branch where the words must be exact; an AI partner where practice needs volume.
The wording matters, as in a disclosure, a formal notice or a clinical handover. Assessment needs every learner to meet the same situation. The topic is sensitive enough that every reply should be reviewed first.
Learners need many attempts at an open conversation, such as feedback, a complaint or a first meeting, on a laptop or phone between sessions, with a facilitator reviewing the attempts.
Together
A scripted scene in a VR headset for the moment itself, an AI partner for repeated practice, and a facilitator for the debrief.
Questions
Harm, assessment and equipment, settled before a method is chosen.
It can. Guardrails lower the risk without removing it, so PTR grounds each character in approved material and keeps a person reviewing the practice.
A branching scenario: its paths are written in advance, so each attempt can be assessed against criteria agreed before training starts.
AI roleplay runs on a laptop or phone; immersive VR uses a headset. See choosing the right technology.
Choosing how your team will practise?
The paper and the risk framework, on their own sites.

Scenario depth, and the proposed use of AI characters.

The risks a generative character must be guarded against.