To create interactive quizzes or activities to engage employees during training sessions on 'Risk-Based Thinking' in ISO 9001:2015, you can incorporate the following strategies:

1. **Scenario-Based Quizzes**: Develop quizzes that present real-life scenarios related to risk-based thinking. Ask employees to identify potential risks and suggest actions to mitigate them.

2. **Role-Playing Activities**: Organize role-playing sessions where employees act out situations involving risk assessment and management. This helps them understand the practical application of risk-based thinking.

3. **Group Discussions**: Facilitate group discussions where employees can share their experiences and insights on identifying and managing risks in their daily work.

4. **Interactive Games**: Create games that involve identifying risks and opportunities within a simulated business environment. This can include board games or digital simulations.

5. **Brainstorming Sessions**: Conduct brainstorming sessions to encourage employees to think creatively about potential risks and opportunities in their processes and how to address them.

6. **Feedback and Reflection**: After each activity, provide opportunities for employees to reflect on what they learned and give feedback on the training session.

These methods can help employees internalize the concepts of risk-based thinking and apply them effectively in their roles.